Title: £28 Cheap Alaska Airlines flights from San Francisco to San Diego (SFO→SAN) - Expedia.co.uk ![](https://images.trvl-media.com/place/3073/476a7863-1b66-47b5-9758-1dc7b3787493.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3073/476a7863-1b66-47b5-9758-1dc7b3787493.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £28 Cheap Alaska Airlines flights from San Francisco to San Diego (SFO→SAN) [View £28 flight on Thu, 11 Dec 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:SFO,to:SAN,departure:11/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:27.30&airProductToken=AQowCi4IwaYBEgQxMzA4GLJxIJJoKMS3_wIwp7j_AjhYQABYAWoCU1ZyCEdIMk9BVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) - [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 - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Alaska Airlines flights from San Francisco to San Diego (SFO→SAN) Prices were available within the past 7 days and start at £28 for one-way flights and £71 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, 23 Oct - Wed, 29 Oct SFO San Francisco SAN San Diego £71 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SFO,to:SAN,departure:23/10/2025TANYT&leg2=from:SAN,to:SFO,departure:29/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:70.80&airProductToken=AQowCi4IwaYBEgQzMjg0GLJxIJJoKNmP-wIwwZD7AjhYQABYAWoCU1ZyCEdIMk9BVkJOCjAKLgjBpgESBDE0MDYYkmggsnEovNn7AjCt2vsCOFhAAFgBagJTVnIIT0g0T0FWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, 8 Dec - Sun, 21 Dec SFO San Francisco SAN San Diego £77 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SFO,to:SAN,departure:08/12/2025TANYT&leg2=from:SAN,to:SFO,departure:21/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:76.20&airProductToken=AQoiCiAIwaYBEgQyNDcwGLJxIJJoKOWc_wIwwp3_AjhYQABYAQoiCiAIwaYBEgQyMjY1GJJoILJxKNengAMwz6iAAzhYQABYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Tue, 16 Dec - Thu, 8 Jan SFO San Francisco SAN San Diego £78 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SFO,to:SAN,departure:16/12/2025TANYT&leg2=from:SAN,to:SFO,departure:08/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:77.20&airProductToken=AQowCi4IwaYBEgQxMzA4GLJxIJJoKOTv_wIwx_D_AjhYQABYAWoCU1ZyCEdIMk9BVkJOCjAKLgjBpgESBDMzNTIYkmggsnEojvWBAzDt9YEDOFhAAFgBagJTVnIIT0gyT0FWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 1 Oct - Thu, 2 Oct SFO San Francisco SAN San Diego £86 Return found 5 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SFO,to:SAN,departure:01/10/2025TANYT&leg2=from:SAN,to:SFO,departure:02/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:85.80&airProductToken=AQowCi4IwaYBEgQzMjA2GLJxIJJoKOyX-QIw0Zj5AjhYQABYAWoCU1ZyCE9INE9BVkJOCjAKLgjBpgESBDEwMDUYkmggsnEo06n5AjC7qvkCOFhAAFgBagJTVnIIT0g0T0FWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 3 Dec - Wed, 10 Dec SFO San Francisco SAN San Diego £89 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SFO,to:SAN,departure:03/12/2025TANYT&leg2=from:SAN,to:SFO,departure:10/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:88.60&airProductToken=AQphCi4IwaYBEgM3NDMYsnEgi5ABKIjh_gIw7eH-AjhYQABYAWoCU1ZyCEdIMk9DVUJOCi8IwaYBEgQzMDExGIuQASCSaCiP4_4CMOLj_gI4WEABWAFqAlNWcghHSDJPRFZCTgowCi4IwaYBEgQyNDY3GJJoILJxKPer_wIw5qz_AjhYQABYAWoCU1ZyCEdIMk9BVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 12 Dec - Sun, 21 Dec SFO San Francisco SAN San Diego £92 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SFO,to:SAN,departure:12/12/2025TANYT&leg2=from:SAN,to:SFO,departure:21/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:91.20&airProductToken=AQoiCiAIwaYBEgQxMzA4GLJxIJJoKOTC_wIwx8P_AjhYQABYAQoiCiAIwaYBEgQyMjY1GJJoILJxKNengAMwz6iAAzhYQABYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ## Frequently asked questions ### How much is an Alaska Airlines flight from San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN)? > Apply the "Price (lowest to highest)" filter on Expedia to find cheap Alaska Airlines return flights from £71 from SFO to SAN. Affordable one-way fares from £28 are also available.\**\*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.* ### What is the cheapest month to fly from SFO to SAN with Alaska Airlines? > Alaska Airlines flights to San Diego are typically cheaper in the low-season months of January and November. Whether you're in search of a round-trip or one-way ticket, you could find a better deal then. ### Does Alaska Airlines fly nonstop from San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN)? > Skip the layovers and fly from San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN) on one of Alaska Airlines's 48 direct weekly flights. Use our "Nonstop" and "Airline" filters to find the Alaska Airlines flight that'll land at SAN at your preferred time. ### How long does it take to fly from SFO to SAN with Alaska Airlines? > Take off from San Francisco Intl. Airport (SFO) for San Diego Intl. Airport (SAN) on a nonstop Alaska Airlines flight, and you'll be in the skies for about 1h 34m. ### Which day of the week has the most Alaska Airlines flights from San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN)? > Saturday has the most Alaska Airlines flights from San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN). With 8 daily departures, this is the best day of the week to book something that will work for your schedule. ### What airports does Alaska Airlines fly into in San Diego? > San Diego Intl. Airport (SAN) is the main San Diego hub for Alaska Airlines flights from San Francisco Intl. Airport (SFO). ### What type of plane does Alaska Airlines fly from San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN)? > You'll likely be on an Embraer 175 or a Boeing 737 MAX 9 when flying Alaska Airlines from San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN). However, keep in mind that a different plane may be used due to operational factors. ### Can I change or cancel my Alaska Airlines flight from San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN)? > It's usually possible to cancel or reschedule your flight, although additional fees may apply if your booking was made over 24 hours ago. Need flexible options? Make use of Expedia's "Changes included" and "No cancel fee" filters to find flights that won't charge you extra if you need to adjust your plans. To modify your itinerary, go to "[Trips](https://www.expedia.co.uk/trips)," select your flight and click on "Manage Booking" for more information. ## Travel information | Origin airport | San Francisco Intl. | | --- | --- | | Destination airport | San Diego Intl. | | Airlines serving | Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, JetBlue Airways, United | | Popular airline | Alaska Airlines | | Distance | 714 km | | Average flight time | 1 hour 34 mins | ## Explore a world of travel with Expedia - Trending Alaska Airlines Flights - Trending Routes - Related Airlines - Nearby Airports - Flights from Other Cities - Expedia's Latest Trends ### Most Popular Alaska Airlines Routes from San Diego - [Alaska Airlines SAN to SFO](https://expedia.co.uk/lp/flight-routes/alaska-airlines-from-san-diego-intl-to-san-francisco-intl/as/san/sfo) - [New York to San Francisco (JFK - SFO)](https://expedia.co.uk/lp/flights/jfk/sfo/new-york-to-san-francisco) - [Vancouver to Los Angeles (YVR - LAX)](https://expedia.co.uk/lp/flights/yvr/lax/vancouver-to-los-angeles) - [Seattle to London (SEA - LHR)](https://expedia.co.uk/lp/flights/sea/lhr/seattle-to-london) - [Vancouver to London (YVR - LHR)](https://expedia.co.uk/lp/flights/yvr/lhr/vancouver-to-london) - [Seattle to London (SEA - LHR)](https://expedia.co.uk/lp/flights/sea/lhr/seattle-to-london) - [Chicago to London (ORD - LHR)](https://expedia.co.uk/lp/flights/ord/lhr/chicago-to-london) - [San Francisco to London (SFO - LHR)](https://expedia.co.uk/lp/flights/sfo/lhr/san-francisco-to-london) - [New York to London (JFK - LHR)](https://expedia.co.uk/lp/flights/jfk/lhr/new-york-to-london) - [Los Angeles to New York (LAX - JFK)](https://expedia.co.uk/lp/flights/lax/jfk/los-angeles-to-new-york) - [New York to Los Angeles (JFK - LAX)](https://expedia.co.uk/lp/flights/jfk/lax/new-york-to-los-angeles) ### Popular Domestic Routes in San Diego Intl. - [Las Vegas to London (LAS - LHR)](https://expedia.co.uk/lp/flights/las/lhr/las-vegas-to-london) - [Vancouver to London (YVR - LHR)](https://expedia.co.uk/lp/flights/yvr/lhr/vancouver-to-london) - [Newark Liberty Intl. 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