Title: Cheap Flights to Lake Forest - Expedia.co.uk ![Aerial view of the downtown area of Foothill Ranch in Lake Forest, California, USA.](https://images.trvl-media.com/place/11987/1989d75a-457c-4223-b015-9d355b8d614b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/11987/1989d75a-457c-4223-b015-9d355b8d614b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £305 Cheap Flights to Lake Forest [View £305 flight on Mon, 16 Mar 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LHR,to:SNA,departure:16/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:304.66&airProductToken=AQpkCi8I16YBEgExGOuJASCYFiia5IcDMKzohwM4RUAAWAFqBUJBU0lDcghMUzdKM0tCSwoxCNemARIEMTU4MBiYFiCyAyi38IcDMIjyhwM4RUABWAFqBUJBU0lDcghMUzdKM0tCSxIKCAEQARgBKgJXUxgBIgQIARABKAIoAygEMAE) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [Lake Forest Travel Guide](https://expedia.co.uk/Lake-Forest.dx11987)[Hotels in Lake Forest](https://expedia.co.uk/Lake-Forest-Hotels.d11987.Travel-Guide-Hotels)[Lake Forest Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Lake-Forest.d11987.Car-Hire-Guide)[Lake Forest Holidays](https://expedia.co.uk/Lake-Forest.d11987.Holidays-City-Breaks) ## Popular airlines to Lake Forest - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Lake Forest, California, United States of America,departure:30/01/2026TANYT&leg2=from:Lake Forest, California, United States of America,to:CMH,departure:06/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Lake Forest, California, United States of America,departure:30/01/2026TANYT&leg2=from:Lake Forest, California, United States of America,to:CMH,departure:06/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Lake Forest, California, United States of America,departure:30/01/2026TANYT&leg2=from:Lake Forest, California, United States of America,to:CMH,departure:06/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Lake Forest, California, United States of America,departure:30/01/2026TANYT&leg2=from:Lake Forest, California, United States of America,to:CMH,departure:06/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Lake Forest, California, United States of America,departure:30/01/2026TANYT&leg2=from:Lake Forest, California, United States of America,to:CMH,departure:06/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Lake Forest, California, United States of America,departure:30/01/2026TANYT&leg2=from:Lake Forest, California, United States of America,to:CMH,departure:06/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![Spirit Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NK.svg) Spirit Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Lake Forest, California, United States of America,departure:30/01/2026TANYT&leg2=from:Lake Forest, California, United States of America,to:CMH,departure:06/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NK"}}]) - ![notification illustration](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\* - ![deals illustration](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\* - ![trophy illustration](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 Lake Forest Prices were available within the past 7 days and start at £305 for one-way flights and £339 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, 25 Feb - Tue, 3 Mar LGW London ONT Ontario £339 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:ONT,departure:25/02/2026TANYT&leg2=from:ONT,to:LGW,departure:03/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:338.48&airProductToken=AQqpAQo-CMGCARIENzAxNRjLsQEg8wMoro2GAzCGkoYDOE9AAFgBagVCQVNJQ3IIT0xYN0sxQjR6CgjCggESBDcwMTUKMgjBggESBDExODkY8wMgo7EBKN2XhgMwnJmGAzhCQAFYAWoFQkFTSUNyCE9MWDdLMUI0CjMIwYIBEgQxODIwGKOxASCumwEo0JmGAzCem4YDOEJAAVgBagVCQVNJQ3IIT0xYN0sxQjQKqQEKMwjBggESBDE4MzMYrpsBIKOxASjI0YYDMP7ShgM4QkAAWAFqBUJBU0lDcghPTFg3SzFCNAoyCMGCARIEMjg4NxijsQEgzHAozNOGAzDn1IYDOEJAAVgBagVCQVNJQ3IIT0xYN0sxQjQKPgjBggESBDcwMTEYzHAgy7EBKO7VhgMw4tmGAzhPQAFYAWoFQkFTSUNyCE9MWDdLMUI0egoIwoIBEgQ3MDExEgoIAhABGAIqAkFBGAEiBAgBEAEoAigDKAQwCw) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Wed, 25 Feb - Tue, 3 Mar LGW London ONT Ontario £339 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:ONT,departure:25/02/2026TANYT&leg2=from:ONT,to:LGW,departure:03/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:338.48&airProductToken=AQqdAQoyCMKCARIEMjE2NxjLsQEg8wMoro2GAzCGkoYDOE9AAFgBagVOT0JBR3IIT0xYN0sxQjQKMgjBggESBDExODkY8wMgo7EBKN2XhgMwnJmGAzhPQAFYAWoFTk9CQUdyCE9MWDdLMUI0CjMIwYIBEgQxODIwGKOxASCumwEo0JmGAzCem4YDOE9AAVgBagVOT0JBR3IIT0xYN0sxQjQKnQEKMwjBggESBDE4MzMYrpsBIKOxASjI0YYDMP7ShgM4T0AAWAFqBU5PQkFHcghPTFg3SzFCNAoyCMGCARIEMjg4NxijsQEgzHAozNOGAzDn1IYDOE9AAVgBagVOT0JBR3IIT0xYN0sxQjQKMgjCggESBDIwMzYYzHAgy7EBKO7VhgMw4tmGAzhPQAFYAWoFTk9CQUdyCE9MWDdLMUI0EgoIAhABGAIqAkJBGAEiBAgBEAEoAigDKAQwDQ) ![Finnair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AY.gif) Wed, 25 Feb - Tue, 3 Mar LGW London ONT Ontario £345 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:ONT,departure:25/02/2026TANYT&leg2=from:ONT,to:LGW,departure:03/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:344.48&airProductToken=AQqmAQo9CMGyARIENTQ1NxjLsQEg8wMoro2GAzCGkoYDOE9AAFgBagRFQ01QcghPTFg3SzFCNHoKCMKCARIENTQ1NwoxCMGCARIEMTE4ORjzAyCjsQEo3ZeGAzCcmYYDOE9AAVgBagRFQ01QcghPTFg3SzFCNAoyCMGCARIEMzAwNhijsQEgrpsBKNmdhgMwop-GAzhPQAFYAWoERUNNUHIIT0xYN0sxQjQKnQEKMwjBggESBDE4MzMYrpsBIKOxASjI0YYDMP7ShgM4T0AAWAFqBU5PQkFHcghPTFg3SzFCNAoyCMGCARIEMjg4NxijsQEgzHAozNOGAzDn1IYDOE9AAVgBagVOT0JBR3IIT0xYN0sxQjQKMgjCggESBDIwMzYYzHAgy7EBKO7VhgMw4tmGAzhPQAFYAWoFTk9CQUdyCE9MWDdLMUI0EgoIAhABGAIqAkFZGAEiBAgBEAEoAigDKAQwAQ) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Tue, 10 Feb - Tue, 17 Feb LHR London SNA Orange County £345 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SNA,departure:10/02/2026TANYT&leg2=from:SNA,to:LHR,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:344.55&airProductToken=AQquAQo1CMyQARIEMjQ4NRjriQEgjBUo6-GEAzDZ4oQDOEtAAFgBaghFQ09MSUdIVHIIS0RWUUFYQlEKMwjMkAESAzQ4MBiMFSCDaSjq44QDMO_ohAM4S0ABWAFqCEVDT0xJR0hUcghLRFZRQVhCUQpACMyQARIENzcxNBiDaSCyAyi_6YQDMNjqhAM4S0ABWAFqCEVDT0xJR0hUcghLRFZRQVhCUXoKCNWCARIENzcxNAqFAQpACMyQARIEODYxNxiyAyCDaSjAt4UDMMq4hQM4S0AAWAFqCEVDT0xJR0hUcghLRFZRQVhCUXoKCNWCARIEODYxNwpBCMyQARIENzc3MhiDaSDriQEog7mFAzCkvYUDOEtAAVgBaghFQ09MSUdIVHIIS0RWUUFYQlF6CgjVggESBDc3NzISCggCEAEYAioCTEgYASIECAEQASgCKAMoBDAL) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Sun, 8 Feb - Wed, 25 Feb LHR London ONT Ontario £359 Return found 6 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:ONT,departure:08/02/2026TANYT&leg2=from:ONT,to:LHR,departure:25/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:358.05&airProductToken=AQqgAQo0CMywARIDMzE3GOuJASC5PCi8zIQDMK_NhAM4S0AAWAFqCEVDT0xJR0hUcghLRFZRS1hCUQoyCMywARICMzgYuTwgsnEo_82EAzDe04QDOEtAAVgBaghFQ09MSUdIVHIIS0RWUUtYQlEKNAjVggESAzU1MhiycSCumwEoitaEAzDd1oQDOEtAAVgBaghFQ09MSUdIVHIIS0RWUUtYQlEKbQo1CNWCARIEMTQ3MBiumwEgsnEo3pGGAzC7koYDOEtAAFgBaghFQ09CQVNJQ3IIS0RWUUtYQlEKNAjVggESAzkzMBiycSDriQEotZOGAzCwmIYDOEtAAVgBaghFQ09CQVNJQ3IIS0RWUUtYQlESCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ## Find the cheapest month to fly from Columbus (CMH) to Santa Ana (SNA) ### January is typically the cheapest month to fly From £97 - £333 per traveller. ## Expedia flights to Lake Forest Searching for cheap flights to Lake Forest? No travel company presents more choices than Expedia if you're looking to compare flights to Lake Forest. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to California. Expedia provides the cheapest flights to many destinations in California and you may find even greater savings if you combine your flight with a hotel stay in Lake Forest. Expedia is the largest online travel agency which means that Expedia have access to cheap flights. So make sure you check Expedia regularly for these bargain flights because the cheapest airline tickets sell out fast. Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Lake Forest for that period and let you choose your preferred time and airline. If you need additional assistance, Expedia Customer Service representatives are available from 8am - 10pm Monday to Friday, and 9am - 10pm at weekends. Our capable staff will be able to help you with any questions regarding your Lake Forest flight, or other booking questions that may arise. When you book flights with Expedia you can rest assured that you have booked the best flight at the lowest price. ## Frequently asked questions ### What is the name of Lake Forest's airport? ### What airport is best to fly into Lake Forest? ### How many airlines fly to Lake Forest? ### Which airlines fly to Lake Forest? ### How many nonstop flights are there to Lake Forest? ### Where are the most popular flights to Lake Forest departing from? ### How long is the flight to Lake Forest Airport? ### How to book the cheapest flight to Lake Forest? ### Do you have any tips for my flight to Lake Forest? > - First things first, put in your passport, travel documents, cash and vital medications. Next, you'll want some entertainment to while away the time. A thrilling book and a laptop filled with your favourite movies are some fantastic options. If you intend to take a quick nap, a quality neck pillow and a pair of noise-cancelling headphones will also be useful. Finally, squeeze in a toothbrush and some deodorant to ensure you step off the plane looking fresh and ready to go. > > > Do not pack the following items in your hand luggage: > > > - While the list of prohibited items can differ between airlines, the general rule of thumb is nothing sharp, flammable or explosive. This includes things like box cutters, razor blades, fuels and bleaching agents. Sporting equipment like bows and arrows, and items that could injure passengers, such as firearms and ammunition, are also banned from the cabin. > > > What to wear on a flight: > > > - Your top priority is to be as comfortable as you can. Pick a pair of slip-on shoes, dress in loose, breathable clothing and remember to bring a pullover in case you get chilly in the cabin. > - Deep vein thrombosis (DVT), a blood clotting condition caused by lengthy periods of inactivity, can be a risk on long-haul flights. Try to walk around the cabin and stretch your legs or do some simple exercises in your seat to promote better circulation. ### How to get through airport security fast when flying to Lake Forest? > - First things first. Your passport and travel documents will need to be shown to security personnel. Have them easily accessible so you don't have to dig around for them. > - After that, both you and your carry-on luggage must be X-rayed. To make the process quick and painless, remove anything that might trigger the alarms. Personal belongings such as your belt, jacket and earphones will be required to go through the machine. > - Your electronic devices like phones and laptops will also have to go on a tray to be scanned. Don't worry though, you'll be back online in no time. > - Can't travel without your favourite perfume or cologne? No problem. As long as the volume is no larger than 3.4 ounces (100 millilitres) and it's stored in a zip-close bag, you're allowed to bring it with you in your carry-on luggage. > - Lightweight sneakers are a practical footwear choice as you're less likely to be required to remove them when passing through security. Hiking boots and heavier-style shoes are often subjected to additional screening. > - Avoid taking prohibited items in your carry-on bag. If you have any sharp or pointed objects, pack them in your checked suitcase. They won't be allowed in the cabin. __Flights to Lake Forest information__ | Destination airport | Los Angeles - Ontario Intl. | | ----------------------------- | --------------------------- | | Destination airport IATA code | ONT | | Destination city name | Ontario | | Return price | £338 | ## Trending flights to Lake Forest Prices were available within the past 7 days and start at £305 for one-way flights and £339 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Wed, 25 Feb - Tue, 3 Mar LGW London ONT Ontario £339 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:ONT,departure:25/02/2026TANYT&leg2=from:ONT,to:LGW,departure:03/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:338.48&airProductToken=AQqdAQoyCMKCARIEMjE2NxjLsQEg8wMoro2GAzCGkoYDOE9AAFgBagVOT0JBR3IIT0xYN0sxQjQKMgjBggESBDExODkY8wMgo7EBKN2XhgMwnJmGAzhPQAFYAWoFTk9CQUdyCE9MWDdLMUI0CjMIwYIBEgQxODIwGKOxASCumwEo0JmGAzCem4YDOE9AAVgBagVOT0JBR3IIT0xYN0sxQjQKnQEKMwjBggESBDE4MzMYrpsBIKOxASjI0YYDMP7ShgM4T0AAWAFqBU5PQkFHcghPTFg3SzFCNAoyCMGCARIEMjg4NxijsQEgzHAozNOGAzDn1IYDOE9AAVgBagVOT0JBR3IIT0xYN0sxQjQKMgjCggESBDIwMzYYzHAgy7EBKO7VhgMw4tmGAzhPQAFYAWoFTk9CQUdyCE9MWDdLMUI0EgoIAhABGAIqAkJBGAEiBAgBEAEoAigDKAQwDQ) \*Available to Expedia members.