Title: Cheap Flights to San Diego County - Expedia.co.uk ![](https://images.trvl-media.com/place/178304/2fcfea0b-4445-4580-9d88-3349c696545c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178304/2fcfea0b-4445-4580-9d88-3349c696545c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £340 Cheap Flights to San Diego County [View £340 flight on Mon, 16 Nov 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LGW,to:SNA,departure:16/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:339.60&airProductToken=AQqoAQo-CMGCARIENzAxNRjLsQEg8wMorqedAzCGrJ0DOE9AAFgBagVCQVNJQ3IIT0xYNUM1QjR6CgjCggESBDcwMTUKMgjBggESBDExODkY8wMgo7EBKM-xnQMwhLOdAzhCQAFYAWoFQkFTSUNyCE9MWDVDNUI0CjIIwYIBEgQyMjUzGKOxASCyAyi2s50DMIW1nQM4QkABWAFqBUJBU0lDcghPTFg1QzVCNBIKCAIQARgCKgJBQRgBIgQIARABKAIoAygEMAE) [San Diego County Hotels](https://expedia.co.uk/Destinations-In-San-Diego-County.d178304.Hotel-Destinations)[Holiday Rentals in San Diego County](https://expedia.co.uk/Destinations-In-San-Diego-County.d178304.Holiday-Rental-Destinations)[San Diego County Car Hire](https://expedia.co.uk/Destinations-In-San-Diego-County.d178304.Car-Hire-Destinations)[San Diego County Holidays](https://expedia.co.uk/San-Diego-County.d178304.Holidays-City-Breaks) ## Popular airlines to San Diego County - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap round-trip flights to San Diego County Prices were available within the past 7 days and start at £340 for one-way flights and £411 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Sat, 2 May - Thu, 7 May LHR London SNA Orange County £411 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SNA,departure:02/05/2026TANYT&leg2=from:SNA,to:LHR,departure:07/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:410.85&airProductToken=AQqsAQo0CMywARIDMzE3GOuJASC5PCjR8YsDMMnyiwM4S0AAWAFqCEVDT0xJR0hUcghLRFZRQVhCUQoyCMywARICMzgYuTwgsnEoo_OLAzDz-IsDOEtAAVgBaghFQ09MSUdIVHIIS0RWUUFYQlEKQAjMsAESBDMzMzIYsnEgsgMoovqLAzCQ-4sDOEtAAVgBaghFQ09MSUdIVHIIS0RWUUFYQlF6CgjVggESBDMzMzIKhAEKQAjMkAESBDg2MTcYsgMgg2ko5q-MAzD1sIwDOEtAAFgBaghFQ09MSUdIVHIIS0RWUUFYQlF6CgjVggESBDE5MzcKQAjMkAESBDc3NzIYg2kg64kBKKexjAMwyLWMAzhLQAFYAWoIRUNPTElHSFRyCEtEVlFBWEJRegkI1YIBEgMwMjcSCggCEAEYAioCTFgYASIECAEQASgCKAMoBDAL) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Mon, 30 Mar - Tue, 7 Apr LHR London SNA Orange County £433 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SNA,departure:30/03/2026TANYT&leg2=from:SNA,to:LHR,departure:07/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:432.75&airProductToken=AQquAQo1CMyQARIEMjQ4MRjriQEgjBUo7YOJAzDghIkDOEtAAFgBaghFQ09MSUdIVHIIS1VWUUFYQlEKMwjMkAESAzQ4MBiMFSCDaSjOiokDMMSPiQM4S0ABWAFqCEVDT0xJR0hUcghLVVZRQVhCUQpACMyQARIENzcxNBiDaSCyAyiokIkDMMGRiQM4S0ABWAFqCEVDT0xJR0hUcghLVVZRQVhCUXoKCNWCARIENzcxNAqFAQpACMyQARIEOTIzNxiyAyCycSjc34kDML3giQM4S0AAWAFqCEVDT0xJR0hUcghLVVZRQVhCUXoKCNWCARIEOTIzNwpBCMyQARIEOTM3ORiycSDriQEoluGJAzCW5okDOEtAAVgBaghFQ09MSUdIVHIIS1VWUUFYQlF6CgjVggESBDkzNzkSCggCEAEYAioCTEgYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, 19 Mar - Mon, 23 Mar LHR London SNA Orange County £444 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SNA,departure:19/03/2026TANYT&leg2=from:SNA,to:LHR,departure:23/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:443.19&airProductToken=AQpqCjII1YIBEgE0GOuJASCIOCjVhIgDMNqJiAM4S0AAWAFqCEVDT0JBU0lDcghLRFZRS1hCUQo0CNWCARIEMTU5MBiIOCCyAyjSiogDML2MiAM4S0ABWAFqCEVDT0JBU0lDcghLRFZRS1hCUQpsCjQI1YIBEgQ1MzUxGLIDILJxKNW2iAMwvreIAzhLQABYAWoIRUNPQkFTSUNyCEtEVlFLWEJRCjQI1YIBEgM5MzAYsnEg64kBKPW3iAMw8LyIAzhLQAFYAWoIRUNPQkFTSUNyCEtEVlFLWEJREgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, 19 Mar - Mon, 23 Mar LHR London SNA Orange County £444 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SNA,departure:19/03/2026TANYT&leg2=from:SNA,to:LHR,departure:23/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:443.19&airProductToken=AQpnCjEIwYIBEgI1MRjriQEgo7EBKPSCiAMw4IeIAzhCQABYAWoFQkFTSUNyCE9MTjdJMUI0CjIIwYIBEgQzMjIzGKOxASCyAyiliYgDMPeKiAM4QkABWAFqBUJBU0lDcghPTE43STFCNApmCjEIwYIBEgQzMDg1GLIDIKlRKLC1iAMw-LeIAzhCQABYAWoFQkFTSUNyCE9MTjdJMUI0CjEIwYIBEgMxMDQYqVEg64kBKMW4iAMw5LuIAzhCQAFYAWoFQkFTSUNyCE9MTjdJMUI0EgoIAhABGAIqAkFBGAEiBAgBEAEoAigDKAQwCw) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Thu, 10 Dec - Tue, 15 Dec LHR London SNA Orange County £457 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SNA,departure:10/12/2026TANYT&leg2=from:SNA,to:LHR,departure:15/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:456.05&airProductToken=AQqpAQozCMuYARIEMTAwMhjriQEggJMBKMiznwMwnbSfAzhMQABYAWoFTElHSFRyCFZZSlJEOExXCjIIy5gBEgM2MzUYgJMBIIuQASjttJ8DMPe5nwM4VkABWAFqBUxJR0hUcghWWUpSRDhMVwo-CMuYARIENzM3NxiLkAEgsgMoybufAzCavJ8DOFZAAVgBagVMSUdIVHIIVllKUkQ4TFd6CgjEmAESBDczNzcKfwo9CMuYARIENjU3OBiyAyCSASjz7p8DMK3wnwM4VkAAWAFqBUxJR0hUcghWWUpSRDhMV3oKCMSYARIENjU3OAo-CMuYARIENDgxORiSASDriQEojfKfAzDH9p8DOFZAAVgBagVMSUdIVHIIVllKUkQ4TFd6CgjWpgESBDQ4MTkSCggBEAEYASoCS0wYASIECAEQASgCKAMoBDAN) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Mon, 1 Jun - Mon, 8 Jun LHR London SNA Orange County £464 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SNA,departure:01/06/2026TANYT&leg2=from:SNA,to:LHR,departure:08/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:463.19&airProductToken=AQp_Cj4I1qYBEgQ0MDQxGOuJASDMfCjtxI4DMPrIjgM4VEAAWAFqBUxJR0hUcghPWUVSRDhMV3oKCMSYARIENDA0MQo9CNamARIEMjI0NhjMfCCyAyjDyo4DMLbMjgM4VEABWAFqBUxJR0hUcghPWUVSRDhMV3oKCMSYARIEMjI0NgpyCj0I1qYBEgQzNDk3GLIDIJIBKIeYjwMwupmPAzhUQABYAWoFTElHSFRyCE9ZRlJEOExXegoIxJgBEgQzNDk3CjEI1qYBEgMxMDYYkgEg64kBKJCajwMw3p6PAzhUQAFYAWoFTElHSFRyCE9ZRlJEOExXEgoIARABGAEqAlZTGAEiBAgBEAEoAigDKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, 5 Apr - Mon, 13 Apr LHR London SNA Orange County £464 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SNA,departure:05/04/2026TANYT&leg2=from:SNA,to:LHR,departure:13/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:463.19&airProductToken=AQpCCh4IxJgBEgE5GOuJASDMfCjNw4kDMOLHiQM4RUAAWAEKIAjEmAESBDIxMDcYzHwgsgMouMmJAzCsy4kDOEVAAVgBCkMKIAjEmAESBDE5ODkYsgMg8hIo86GKAzDnoooDOEVAAFgBCh8IxJgBEgI1MBjyEiDriQEomKOKAzDcp4oDOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Fri, 1 May - Mon, 4 May LHR London SNA Orange County £475 Return found 19 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SNA,departure:01/05/2026TANYT&leg2=from:SNA,to:LHR,departure:04/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:474.89&airProductToken=AQqDAQpACMKCARIEMTU5MBjriQEgo7EBKIHniwMw6OuLAzhPQABYAWoFTk9CQUdyCU9MTjdJMUI0UHoKCMGCARIEMTU5MAo_CMKCARIENDMzMRijsQEgsgMoju2LAzDZ7osDOE9AAVgBagVOT0JBR3IJT0xON0kxQjRQegoIwYIBEgQ0MzMxCoEBCj4IwoIBEgQ1NjgwGLIDIK4cKJSOjAMwm5CMAzhPQABYAWoFTk9CQUdyCU9MTjdJMUI0UHoKCMGCARIENTY4MAo_CMKCARIEMTUxOBiuHCDriQEov5CMAzCalIwDOE9AAVgBagVOT0JBR3IJT0xON0kxQjRQegoIwYIBEgQxNTE4EgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![Brussels Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SN.gif) Wed, 8 Apr - Sat, 18 Apr LHR London SNA Orange County £481 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SNA,departure:08/04/2026TANYT&leg2=from:SNA,to:LHR,departure:18/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:480.89&airProductToken=AQqFAQpBCNOcARIEOTA4NRjriQEgrhwo3eSJAzD-6IkDOEtAAFgBaghFQ09MSUdIVHIIS1VWUUFYQlF6CgjVggESBDkwODUKQAjTnAESBDg4NzcYrhwgsgMo8emJAzCK7IkDOEtAAVgBaghFQ09MSUdIVHIIS1VWUUFYQlF6CgjVggESBDg4NzcKhQEKQAjTnAESBDg4NzgYsgMgrhwo-daKAzD42IoDOEtAAFgBaghFQ09MSUdIVHIIS1VWUUFYQlF6CgjVggESBDg4NzgKQQjTnAESBDkwODYYrhwg64kBKK7bigMwot-KAzhLQAFYAWoIRUNPTElHSFRyCEtVVlFBWEJRegoI1YIBEgQ5MDg2EgoIAhABGAIqAlNOGAEiBAgBEAEoAigDKAQwCw) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, 8 Apr - Wed, 15 Apr LGW London SNA Orange County £486 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:SNA,departure:08/04/2026TANYT&leg2=from:SNA,to:LGW,departure:15/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:485.50&airProductToken=AQqoAQo-CMGCARIENzAxNRjLsQEg8wMoqOWJAzDn6YkDOE9AAFgBagVCQVNJQ3IIT0tON0kxQjR6CgjCggESBDcwMTUKMgjBggESBDI1MTIY8wMgo7EBKJfriQMwyuyJAzhCQAFYAWoFQkFTSUNyCE9LTjdJMUI0CjIIwYIBEgQyOTAxGKOxASCyAyj68IkDMMXyiQM4QkABWAFqBUJBU0lDcghPS043STFCNAqyAQo-CMmEARIENDcxMBiyAyCjsQEo9riKAzCyuooDOE9AAFgBagVCQVNJQ3IIT1FYOEUxQjR6CgjBggESBDQ3MTAKMQjJhAESAzM2NBijsQEgjBgopbuKAzDpv4oDOE9AAVgBagVCQVNJQ3IIT1FYOEUxQjQKPQjJhAESBDE4NjMYjBggy7EBKOjBigMw9MKKAzhPQAFYAWoFQkFTSUNyCE9RWDhFMUI0egkIyWQSBDE4NjMSCggCEAEYAioCQUEYASIECAEQASgCKAMoBDAB) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-uk-fr-de.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Holiday Sale Members save up to 40% on hotels and holiday homes. Plan this year’s big trip and save. [Book now](https://expedia.co.uk/cheap-deals?rfrr=FTG_SPRING_PROMO_) ## Airports in San Diego County Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:SAN,departure:27/03/2026TANYT&leg2=from:SAN,to:CMH,departure:01/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SAN San Diego Intl. Cheapest [Flights from £433 ](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:SAN,departure:27/03/2026TANYT&leg2=from:SAN,to:CMH,departure:01/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Trending flights to San Diego County These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Sat, 2 May - Thu, 7 May LHR London SNA Orange County £411 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SNA,departure:02/05/2026TANYT&leg2=from:SNA,to:LHR,departure:07/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:410.85&airProductToken=AQqsAQo0CMywARIDMzE3GOuJASC5PCjR8YsDMMnyiwM4S0AAWAFqCEVDT0xJR0hUcghLRFZRQVhCUQoyCMywARICMzgYuTwgsnEoo_OLAzDz-IsDOEtAAVgBaghFQ09MSUdIVHIIS0RWUUFYQlEKQAjMsAESBDMzMzIYsnEgsgMoovqLAzCQ-4sDOEtAAVgBaghFQ09MSUdIVHIIS0RWUUFYQlF6CgjVggESBDMzMzIKhAEKQAjMkAESBDg2MTcYsgMgg2ko5q-MAzD1sIwDOEtAAFgBaghFQ09MSUdIVHIIS0RWUUFYQlF6CgjVggESBDE5MzcKQAjMkAESBDc3NzIYg2kg64kBKKexjAMwyLWMAzhLQAFYAWoIRUNPTElHSFRyCEtEVlFBWEJRegkI1YIBEgMwMjcSCggCEAEYAioCTFgYASIECAEQASgCKAMoBDAL) ## Frequently asked questions ### Can I cancel my flight booking to San Diego County due to COVID-19? ### What's the best way to find cheap flights to San Diego County that have flexible change policies? ### What are some of the general tips for travellers to San Diego County during the COVID-19 outbreak? > - Find out if any travel restrictions apply to your origin and destination before locking in your flight. Also check if there are any special conditions you'll need to follow on arrival, such as proof of a negative COVID-19 test. > - Wear a face mask even during airport screening. A TSA employee will ask you to temporarily lower your mask to verify your identity. > - To reduce the risk of cross-contamination, place your boarding pass on the scanner yourself and then hold it up for inspection. Do not hand your boarding pass directly to a TSA officer. > - You're allowed to take one container of hand sanitizer up to 12 oz (350 ml) in your hand luggage. This will need to be removed for X-ray scanning. > - Put any personal items (keys, wallet and phone) in your carry-on instead of a bin to reduce handling during screening. > - If you're bringing food through the security checkpoint, place it in a clear plastic bag and then into a screening bin. This lessens the likelihood that a TSA agent will need to touch your food container or carry-on bag for inspection. > - Find out if any travel restrictions apply to your origin and destination before locking in your flight. Also check if there are any special conditions you'll need to follow on arrival, such as proof of a negative COVID-19 test. > - Wear a face mask even during airport screening. A TSA employee will ask you to temporarily lower your mask to verify your identity. > - To reduce the risk of cross-contamination, place your boarding pass on the scanner yourself and then hold it up for inspection. Do not hand your boarding pass directly to a TSA officer. > - You're allowed to take one container of hand sanitizer up to 12 oz (350 ml) in your hand luggage. This will need to be removed for X-ray scanning. > - Put any personal items (keys, wallet and phone) in your carry-on instead of a bin to reduce handling during screening. > - If you're bringing food through the security checkpoint, place it in a clear plastic bag and then into a screening bin. This lessens the likelihood that a TSA agent will need to touch your food container or carry-on bag for inspection. ### Which airlines fly to San Diego County? ### How can I find cheap tickets to San Diego County? ### How much is a flight to San Diego County? ### What are the most popular airports to fly into in San Diego County? ### When is the cheapest time to fly to San Diego County? ### How much is a plane ticket to San Diego County? ### Which airlines with flights to San Diego County employ COVID-19 cleanliness policies? > - Southwest Airlines - this airline is known for providing passenger masks and cleaning with disinfectant. > - Alaska Airlines - this airline is known for providing passenger masks and cleaning with disinfectant. > - American Airlines - this airline is known for providing passenger masks and cleaning with disinfectant. > - Southwest Airlines - this airline is known for providing passenger masks and cleaning with disinfectant. > - Alaska Airlines - this airline is known for providing passenger masks and cleaning with disinfectant. > - American Airlines - this airline is known for providing passenger masks and cleaning with disinfectant. ### What are the best things to do in San Diego County? > - When selecting what sort of clothes to pack for your trip, take into account that Carlsbad has a mediterranean climate. For a better idea of what to expect, study the weather before you set off. > - Roughly 9 miles to the north of Carlsbad, Oceanside also deserves to be high on your itinerary. Noteworthy sights at this location include Mission San Luis Rey Church — don't forget to drop by. > - Packed with culture, energy and excitement, Carlsbad is an excellent place to kick off your San Diego County adventure. Tour popular attractions like Legoland California, hit up the stores or wine and dine your way around some of this destination's inviting restaurants and bars. What you decide to do is up to you! > - When selecting what sort of clothes to pack for your trip, take into account that Carlsbad has a mediterranean climate. For a better idea of what to expect, study the weather before you set off. > - Roughly 9 miles to the north of Carlsbad, Oceanside also deserves to be high on your itinerary. Noteworthy sights at this location include Mission San Luis Rey Church — don't forget to drop by. ## Book with confidence # Top tips for booking flights to San Diego County from UK ### Get ready to fly to San Diego County Prepare your luggage and book your flights to San Diego County with Expedia. We offer a seamless flight booking experience, with a wide range of San Diego County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to San Diego County in 2026, we are always available to assist you. Book your flights to San Diego County today and let the adventure begin! ### Find the best tickets to San Diego County To find some of the best tickets to San Diego County in 2026, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to San Diego County or last-minute flights to San Diego County, you can filter and sort your search results, making it easy to find the ideal flight to San Diego County. ### Airlines fly to San Diego County There are 20 different airlines that fly to San Diego County including some of the most trusted names in the business. To book flights to San Diego County with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best San Diego County plane tickets. ### Find the cheapest flights to San Diego County By booking early you may find some of the best deals for San Diego County flights from the UK, including San Diego County direct flights. You can usually find affordable and cheap flights to San Diego County, whether one-way from £340 or round-trip from £411, with Expedia if you book your trip far enough in advance. ### Find the best airports for cheap flights to San Diego County Try searching for different San Diego County airports with Expedia to find some of the cheapest flights to San Diego County. Flights from London (LGW) to Orange County (SNA) usually have the lowest price from £340. ### Why book your flights to San Diego County with Expedia Expedia offers great deals on San Diego County air fares from £340 to cater to every budget. Not only is Expedia one of the top platforms to book flights to San Diego County from the UK, it is also your one-stop shop for booking hotels, car rentals, and more. \*Prices and availability are subject to change. Additional terms apply. ## Travel information # San Diego County Flights Information | Airlines serving | American Airlines, Swiss International Air Lines, Lufthansa, British Airways, Iberia, Air Canada, United, KLM, Virgin Atlantic, Delta, Brussels Airlines | | ---------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------- | | Roundtrip price | from £411 | ## Explore a world of travel with Expedia - Top Flights Destinations - Top San Diego County Hotels - Related Airlines - Expedia's Latest Trends ### Top Flight Destinations In San Diego County - [Flights to San Diego ](https://expedia.co.uk/Cheap-Flights-To-San-Diego.d3073.Travel-Guide-Flights) - [Flights to Carlsbad ](https://expedia.co.uk/Cheap-Flights-To-Carlsbad.d6056550.Travel-Guide-Flights) - [Flights to Oceanside ](https://expedia.co.uk/Cheap-Flights-To-Oceanside.d9154.Travel-Guide-Flights) - [Flights to La Jolla ](https://expedia.co.uk/Cheap-Flights-To-La-Jolla.d6126584.Travel-Guide-Flights) - [Flights to Temecula ](https://expedia.co.uk/Cheap-Flights-To-Temecula.d6034795.Travel-Guide-Flights) - [Flights to Encinitas ](https://expedia.co.uk/Cheap-Flights-To-Encinitas.d7846.Travel-Guide-Flights) - [Flights to San Clemente ](https://expedia.co.uk/Cheap-Flights-To-San-Clemente.d6636.Travel-Guide-Flights) - [Flights to Chula Vista ](https://expedia.co.uk/Cheap-Flights-To-Chula-Vista.d7442.Travel-Guide-Flights) - [Flights to Coronado ](https://expedia.co.uk/Cheap-Flights-To-Coronado.d5917.Travel-Guide-Flights) - [Flights to Del Mar ](https://expedia.co.uk/Cheap-Flights-To-Del-Mar.d7626.Travel-Guide-Flights) - [Flights to Escondido ](https://expedia.co.uk/Cheap-Flights-To-Escondido.d7852.Travel-Guide-Flights) - [Flights to El Cajon ](https://expedia.co.uk/Cheap-Flights-To-El-Cajon.d6632.Travel-Guide-Flights) - [Flights to Murrieta ](https://expedia.co.uk/Cheap-Flights-To-Murrieta.d6048033.Travel-Guide-Flights) - [Flights to Coronado Island ](https://expedia.co.uk/Cheap-Flights-To-Coronado-Island.d553248621532638598.Travel-Guide-Flights) - [Flights to Vista ](https://expedia.co.uk/Cheap-Flights-To-Vista.d7493.Travel-Guide-Flights) - [Flights to Solana Beach ](https://expedia.co.uk/Cheap-Flights-To-Solana-Beach.d6936.Travel-Guide-Flights) - [Flights to San Marcos ](https://expedia.co.uk/Cheap-Flights-To-San-Marcos.d55946.Travel-Guide-Flights) - [Flights to Southern California ](https://expedia.co.uk/Cheap-Flights-To-Southern-California.d6229607.Travel-Guide-Flights) - [Flights to Borrego Springs ](https://expedia.co.uk/Cheap-Flights-To-Borrego-Springs.d6467.Travel-Guide-Flights) - [Flights to National City ](https://expedia.co.uk/Cheap-Flights-To-National-City.d8890.Travel-Guide-Flights) ### Top Flight Destinations In World - [Flights to South Korea ](https://expedia.co.uk/Destinations-In-South-Korea.d94.Flight-Destinations) - [Flights to Brazil ](https://expedia.co.uk/Destinations-In-Brazil.d23.Flight-Destinations) - [Flights to France ](https://expedia.co.uk/Destinations-In-France.d59.Flight-Destinations) - [Flights to Philippines ](https://expedia.co.uk/Destinations-In-Philippines.d145.Flight-Destinations) - [Flights to Russia ](https://expedia.co.uk/Destinations-In-Russia.d153.Flight-Destinations) - [Flights to Spain ](https://expedia.co.uk/Destinations-In-Spain.d166.Flight-Destinations) - [Flights to United States of America ](https://expedia.co.uk/Destinations-In-United-States-Of-America.d201.Flight-Destinations) - [Flights to Canada ](https://expedia.co.uk/Destinations-In-Canada.d31.Flight-Destinations) - [Flights to Argentina ](https://expedia.co.uk/Destinations-In-Argentina.d8.Flight-Destinations) - [Flights to Switzerland ](https://expedia.co.uk/Destinations-In-Switzerland.d174.Flight-Destinations) - [Flights to Germany ](https://expedia.co.uk/Destinations-In-Germany.d64.Flight-Destinations) - [Flights to United Kingdom ](https://expedia.co.uk/Destinations-In-United-Kingdom.d190.Flight-Destinations) - [Flights to Türkiye ](https://expedia.co.uk/Destinations-In-Turkiye.d183.Flight-Destinations) - [Flights to Norway ](https://expedia.co.uk/Destinations-In-Norway.d138.Flight-Destinations) - [Flights to Indonesia ](https://expedia.co.uk/Destinations-In-Indonesia.d81.Flight-Destinations) - [Flights to Australia ](https://expedia.co.uk/Destinations-In-Australia.d10.Flight-Destinations) - [Flights to India ](https://expedia.co.uk/Destinations-In-India.d80.Flight-Destinations) - [Flights to Colombia ](https://expedia.co.uk/Destinations-In-Colombia.d38.Flight-Destinations) - [Flights to Mexico ](https://expedia.co.uk/Destinations-In-Mexico.d117.Flight-Destinations) - [Flights to Greece ](https://expedia.co.uk/Destinations-In-Greece.d67.Flight-Destinations) ### Top San Diego County Hotels - [Paradise Point Resort & Spa ](https://expedia.co.uk/San-Diego-Hotels-Paradise-Point-Resort-Spa.h3731.Hotel-Information) - [Best Western Seven Seas ](https://expedia.co.uk/San-Diego-Hotels-Best-Western-Seven-Seas.h1734.Hotel-Information) - [Hard Rock Hotel San Diego ](https://expedia.co.uk/San-Diego-Hotels-Hard-Rock-Hotel-San-Diego.h1731557.Hotel-Information) - [Hyatt Vacation Club at The Welk, San Diego Area ](https://expedia.co.uk/Escondido-Hotels-Hyatt-Vacation-Club-At-The-Welk.h59916.Hotel-Information) - [The DEXTRO Little Italy, BW Premier Collection ](https://expedia.co.uk/San-Diego-Hotels-Four-Points-By-Sheraton-San-Diego-Downtown-Little-Italy.h170338.Hotel-Information) - [Days Inn by Wyndham San Diego Hotel Circle ](https://expedia.co.uk/San-Diego-Hotels-Days-Inn-By-Wyndham-San-Diego-Hotel-Circle.h19220.Hotel-Information) - [Handlery Hotel ](https://expedia.co.uk/San-Diego-Hotels-Handlery-Hotel.h8374.Hotel-Information) - [The Sofia Hotel ](https://expedia.co.uk/San-Diego-Hotels-The-Sofia-Hotel.h1573807.Hotel-Information) - [Manchester Grand Hyatt San Diego ](https://expedia.co.uk/San-Diego-Hotels-Manchester-Grand-Hyatt-San-Diego.h12073.Hotel-Information) - [DoubleTree by Hilton San Diego - Del Mar ](https://expedia.co.uk/San-Diego-Hotels-DoubleTree-By-Hilton-San-Diego-Del-Mar.h15236.Hotel-Information) - [Wyndham San Diego Bayside ](https://expedia.co.uk/San-Diego-Hotels-Wyndham-San-Diego-Bayside.h11177.Hotel-Information) - [The Dana on Mission Bay ](https://expedia.co.uk/San-Diego-Hotels-The-Dana-On-Mission-Bay.h40953.Hotel-Information) - [San Diego Mission Bay Resort ](https://expedia.co.uk/San-Diego-Hotels-San-Diego-Mission-Bay-Resort.h25598.Hotel-Information) - [Bahia Resort Hotel ](https://expedia.co.uk/San-Diego-Hotels-Bahia-Resort-Hotel.h18241.Hotel-Information) - [Bay Club Hotel & Marina ](https://expedia.co.uk/San-Diego-Hotels-Bay-Club-Hotel-Marina.h2514.Hotel-Information) - [Sheraton San Diego Resort ](https://expedia.co.uk/San-Diego-Hotels-Sheraton-San-Diego-Resort.h11109.Hotel-Information) - [Hampton Inn & Suites by Hilton San Diego SeaWorld Near Old Town ](https://expedia.co.uk/San-Diego-Hotels-Hampton-Inn-Suites-San-Diego-Point-Loma.h12963301.Hotel-Information) - [Hyatt Regency Mission Bay Spa and Marina ](https://expedia.co.uk/San-Diego-Hotels-Hyatt-Regency-Mission-Bay-Spa-And-Marina.h858.Hotel-Information) - [Omni San Diego Hotel at the Ballpark ](https://expedia.co.uk/San-Diego-Hotels-Omni-San-Diego-Hotel.h982408.Hotel-Information) - [Lafayette Hotel & Club ](https://expedia.co.uk/San-Diego-Hotels-Lafayette-Hotel.h38077738.Hotel-Information) ### Related Airlines - [Amber Air ](https://expedia.co.uk/Amber-Air-Flights.c0A.Travel-Guide-Airlines) - [BlueAir ](https://expedia.co.uk/BlueAir-Flights.c0B.Travel-Guide-Airlines) - [Catovair ](https://expedia.co.uk/Cobra-Aviation-Flights.c0C.Travel-Guide-Airlines) - [Darwin Airline SA Lugano ](https://expedia.co.uk/Darwin-Airline-SA-Lugano-Flights.c0D.Travel-Guide-Airlines) - [Evergreen International ](https://expedia.co.uk/Evergreen-International-Flights.c0E.Travel-Guide-Airlines) - [Ghadames Air Transport ](https://expedia.co.uk/Ghadames-Air-Transport-Flights.c0G.Travel-Guide-Airlines) - [Aircompany Kokshetau ](https://expedia.co.uk/AirCompany-Kokshetau-Flights.c0K.Travel-Guide-Airlines) - [Vietnam Air Service Co. ](https://expedia.co.uk/Vietnam-Air-Service-Co-Flights.c0V.Travel-Guide-Airlines) - [West Caribbean Costa Rica ](https://expedia.co.uk/West-Caribbean-Costa-Rica-Flights.c0W.Travel-Guide-Airlines) - [Olympus Airways ](https://expedia.co.uk/Olympus-Airways-Flights.c11.Travel-Guide-Airlines) ### Expedia's Latest Trends Hotels - [Orange County Accommodation](https://expedia.co.uk/Destinations-In-Orange-County.d603224.Hotel-Destinations) - [Hotels in Union Square](https://expedia.co.uk/Union-Square-San-Francisco-Hotels.0-n800129-0.Travel-Guide-Filter-Hotels) - [Venice Beach hotels](https://expedia.co.uk/Venice-Beach-Hotels.0-l6068501-0.Travel-Guide-Filter-Hotels) - [San Francisco County Accommodation](https://expedia.co.uk/Destinations-In-San-Francisco-County.d553248635996709347.Hotel-Destinations) - [All-Inclusive Hotels in Los Angeles County](https://expedia.co.uk/Destinations-In-Los-Angeles-County-All-Inclusive-Hotel.0-0-d6056560-tAllInclusiveHotel.Hotel-Filter-Destinations) - [Hotels in Hollywood](https://expedia.co.uk/Hollywood-Los-Angeles-Hotels.0-n8365-0.Travel-Guide-Filter-Hotels) - [Santa Monica Accommodation](https://expedia.co.uk/Santa-Monica-Hotels.d3220.Travel-Guide-Hotels) - [Cheap Hotels in Orange County](https://expedia.co.uk/Destinations-In-Orange-County-Budget-Hotels.0-0-d603224-tBudgetHotels.Hotel-Filter-Destinations) - [Beverly Hills Accommodation](https://expedia.co.uk/Beverly-Hills-Hotels.d6912.Travel-Guide-Hotels) - [Hotels in Fisherman's Wharf](https://expedia.co.uk/Fishermans-Wharf-San-Francisco-Hotels.0-n800128-0.Travel-Guide-Filter-Hotels) Flights - [Flights to LAX](https://expedia.co.uk/Cheap-Flights-To-Los-Angeles-Intl.d5783884.Travel-Guide-Flights) - [Flights to SFO](https://expedia.co.uk/Cheap-Flights-To-San-Francisco-Intl.d5195347.Travel-Guide-Flights) - [Cheap Flights to Orange County](https://expedia.co.uk/Destinations-In-Orange-County.d603224.Flight-Destinations) Cars - [Car rental in San Francisco](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-San-Francisco-Intl.d5195347.Car-Hire-Guide) - [convertible Car Hire in Los Angeles Intl.](https://expedia.co.uk/Convertible-Car-Rentals-In-Los-Angeles-Intl.d5783884-tConvertible.Car-Rental-Guide-Class) - [Car rental in Los Angeles](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Los-Angeles-Intl.d5783884.Car-Hire-Guide) - [Car hire in Orange County](https://expedia.co.uk/Destinations-In-Orange-County.d603224.Car-Hire-Destinations) Activities - [Things to do in Orange County](https://expedia.co.uk/Things-To-Do-In-Orange-County.d603224.Travel-Guide-Activities) Packages - [Trips to Orange County](https://expedia.co.uk/Orange-County.d603224.Holidays-City-Breaks) - [Trips to Malibu](https://expedia.co.uk/Malibu.d10217.Holidays-City-Breaks) - [Trips to Santa Monica](https://expedia.co.uk/Santa-Monica.d3220.Holidays-City-Breaks) - [Trips to Downtown Los Angeles](https://expedia.co.uk/Downtown-Los-Angeles.d800058.Holidays-City-Breaks) - [Glass Beach](https://expedia.co.uk/Glass-Beach-Fort-Bragg.d6240504.Attraction) - [Venice Beach](https://expedia.co.uk/Venice-Beach-Los-Angeles.d6068501.Attraction) - [Universal Studios Hollywood](https://expedia.co.uk/Universal-Studios-Hollywood-Los-Angeles.d501594.Attraction) - [Alcatraz Island](https://expedia.co.uk/Alcatraz-Island-San-Francisco.d502554.Attraction) - [General Sherman Tree](https://expedia.co.uk/General-Sherman-Tree-Sequoia-National-Park.d553248621532640111.Attraction) General - [Visit Malibu](https://expedia.co.uk/Malibu.dx10217) - [Visit Los Angeles County](https://expedia.co.uk/Los-Angeles-County.dx6056560) - [Visit Pacific Palisades](https://expedia.co.uk/Pacific-Palisades.dx142906) \*Available to Expedia members.