Title: Cheap Alaska Airlines (AS) Flight Reservations: Booking Flights - Expedia.com ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Book Alaska Airlines flights (AS) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Add a place to stay Direct flights only - ![](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 30% 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 OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Trending Alaska Airlines Flights Prices were available within the past 7 days and start at for one-way flights and $82 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Apr 29 - Mon, May 4 LAX Los Angeles SFO San Francisco $82 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAX,to:SFO,departure:4/29/2026TANYT&leg2=from:SFO,to:LAX,departure:5/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:81.38&airProductToken=AQo0CjIIwaYBEgQxMzM5GIu4ASCycSi904sDMJjUiwM4WEAAWAFqBVNBVkVScghPSDJPWFVCThIMCAEQARgBKgJBUzIAGAEiBAgBEAEoAigDKAQwDQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Mar 11 - Tue, Mar 17 LAX Los Angeles SEA Seattle $112 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAX,to:SEA,departure:3/11/2026TANYT&leg2=from:SEA,to:LAX,departure:3/17/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:111.19&airProductToken=AQpnCjIIwaYBEgQyMDg4GIu4ASCENSi4rIcDMMuthwM4WEAAWAFqBVNBVkVScghHSDJZWFVCTgoxCMGmARIEMzA1NRiENSCSASivr4cDMP6vhwM4WEABWAFqBVNBVkVScghHSDJZWFVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMA0) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, Mar 12 - Sat, Mar 14 LAX Los Angeles PAE Seattle $117 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAX,to:PAE,departure:3/12/2026TANYT&leg2=from:PAE,to:LAX,departure:3/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:116.80&airProductToken=AQozCjEIwaYBEgM1ODQYi7gBII8gKOW8hwMwl76HAzhYQABYAWoFU0FWRVJyCEdIMkVBVkJOCjQKMgjBpgESBDE0MDgYjyAgi7gBKPjNhwMwoc-HAzhYQABYAWoFU0FWRVJyCEdIMkVYVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwDQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Tue, May 12 - Tue, May 12 LAX Los Angeles LAS Las Vegas $129 Roundtrip found 12 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAX,to:LAS,departure:5/12/2026TANYT&leg2=from:LAS,to:LAX,departure:5/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:128.80&airProductToken=AQpqCjMIwaYBEgQzMzQwGIu4ASDylAEozeWMAzC95owDOFhAAFgBagVTQVZFUnIIR0gyT0FKQk4KMwjBpgESBDM0MDQY8pQBIIuQASio54wDMJHojAM4WEABWAFqBVNBVkVScghHSDJPQUpCTgpqCjMIwaYBEgQzNDAzGIuQASDylAEopOmMAzCi6owDOFhAAFgBagVTQVZFUnIIR0gyT0FKQk4KMwjBpgESBDM0MTQY8pQBIIu4ASji6owDMMjrjAM4WEABWAFqBVNBVkVScghHSDJPQUpCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMA0) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Frequently asked questions ### Can I fly from the US on Alaska Airlines? > - Seattle (SEA) > - Portland (PDX) > - San Francisco (SFO) > - Los Angeles (LAX) > You can book a flight to travel throughout the U.S., as well as to Canada, Mexico, Costa Rica, and select destinations in Central America. ### Where does Alaska Airlines fly to? > - Seattle (SEA) > - Los Angeles (LAX) > - San Francisco (SFO) > - Portland (PDX) > - Anchorage (ANC) > - Honolulu (HNL) > - Las Vegas (LAS) > - Denver (DEN) > - Chicago (ORD) > - New York (JFK) > - Puerto Vallarta (PVR) > - Cancún (CUN) > - San José (SJO) (Costa Rica) ### Can I earn Alaska Airlines miles with Expedia? ### How much is carry-on for Alaska Airlines? > - One carry-on bag generally 15 lbs (7 kg) > - One personal item, such as a small handbag or laptop case ### What size carry-on is allowed on Alaska Airlines? > - One carry-on bag not exceeding 22 x 14 x 9 inches (56 x 36 x 23 cm), including wheels and handles > - One personal item should fit under the seat in front of you > Items must comply with the size and weight requirements to avoid gate checking. ### How much are checked bags on Alaska Airlines? > - Saver and Main Fares: Checked baggage not included, weight up to 50 lbs (23 kg) > - Elite Status or Alaska Credit Card Holders: Two checked bags included, up to 50 lbs (23 kg) each > Alaska MVP elite members and certain credit card holders may receive free checked bags. ### Do you have to pay for seat selection on Alaska Airlines? ### How far in advance can you check in with Alaska Airlines? ### What kind of airline is Alaska Airlines? ### Is Alaska Airlines a good airline to fly with? ### What type of planes does Alaska Airlines fly? ### Does Alaska Airlines have First or Business Class? ## Book with confidence # Alaska Airlines Flights on Expedia.com Search Expedia for the very best selection of Alaska Airlines flights to whatever destination you're headed. Alaska Airlines and Expedia have teamed up to provide you with great discount airfares and flexible departure and arrival times to make your trip a truly comfortable, affordable, and memorable experience. Fly with Alaska Airlines today to see the difference. Alaska Airlines is a valued partner of Expedia, and we work together to provide you with all the tools you need to book your next Alaska Airlines flight. From last-minute flights to flights planned ahead, Alaska Airlines has a huge inventory of cheap flights to help you save even more. Fly with style and comfort with Alaska Airlines, and rest assured that all your flight needs are taken care of, making your travel experience as good as it can be. All Alaska Airlines flights offer expansive routes to your destination and provide you with flexible departure and arrival times giving you more selection than ever before. And by booking with Expedia, you have access to online tools to help you plan the best trip, from fare alerts, to calendar tools and more; use these to help book the best Alaska Airlines flight you can find. If you need additional assistance, Expedia Customer Service Representatives are available 24 hours a day to help you with any questions when booking your Alaska Airlines flights. Alaska Airlines and Expedia are here to ensure you travel with the confidence that you have the best flight at the very best price. ## Travel information # Airline Information | Airline Name | Alaska Airlines | | --------------- | --------------- | | Airline Code | AS | | Roundtrip price | from $82 | \*Flight schedules are subject to change. \*Available to One Key members.