Book Alaska Airlines flights (AS)

Trending Alaska Airlines Flights

Prices were available within the past 7 days and start at $135 for one-way flights and $346 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Feb 24 - Wed, Feb 25
SFO
San Francisco
CUN
Cancun
$346 Roundtrip, found 19 hours ago
$346
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Tue, Feb 24 from San Francisco to Cancun, returning Wed, Feb 25, priced at $346 found 19 hours ago
Alaska Airlines
Thu, Jan 8 - Tue, Jan 13
SFO
San Francisco
LGA
New York
$398 Roundtrip, just found
$398
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Jan 8 from San Francisco to New York, returning Tue, Jan 13, priced at $398 just found

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.

Airline Information

Airline Name
Alaska Airlines
Airline Code
AS
Roundtrip price
from $346

Frequently asked questions

Can I fly from the US on Alaska Airlines?
Yes, Alaska Airlines is a U.S.-based carrier with hubs in cities such as:
  • 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?
Alaska Airlines serves over 115 destinations. Search for Alaska Airlines deals to popular destinations like:
  • 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?
Yes. Add your Mileage Plan number during checkout to earn miles on eligible Alaska Airlines bookings. You can also earn OneKeyCash™ if you're a One Key™ member to save more on your next trip.OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
How much is carry-on for Alaska Airlines?
When you fly Alaska Airlines, carry-on baggage is included with all fare types:
  • 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?
With your Alaska Airlines flight booking, your carry-on items must meet the following size requirements:
  • 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?
Checked bag fees are consistent across most Alaska Airlines bookings:
  • 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?
Seat selection depends on the type of KLM reservation you have. Standard seats are free for all fares except Saver. Seats with extra legroom or preferred locations in the cabin are available for an additional charge or included in higher fares.
How far in advance can you check in with Alaska Airlines?
For your Alaska Airlines flight, online check-in opens 24 hours before departure. Airport check-in counters typically open two to three hours prior to takeoff. The Alaska app also supports mobile check-in and digital boarding passes.
What kind of airline is Alaska Airlines?
Alaska Airlines is a full-service carrier based in the United States, primarily serving routes across the U.S., Canada, Mexico, and Costa Rica. It offers Economy, Premium Class, and First Class cabins, with a strong focus on customer service and operational reliability. Known for its competitive pricing, generous loyalty program, and West Coast roots, Alaska Airlines combines comfort and value across its network.
Is Alaska Airlines a good airline to fly with?
Many travelers who fly Alaska Airlines appreciate the airline for its friendly and helpful staff, on-time performance, and comfortable seating. Alaska is often praised for providing a high level of service at competitive prices, with perks like free texting and a good inflight entertainment selection. Whether you're flying along the West Coast or to one of its many domestic or international destinations, Alaska Airlines is known for offering a reliable and enjoyable travel experience.
What type of planes does Alaska Airlines fly?
Alaska Airlines operates a modern, fuel-efficient fleet that includes Boeing 737-700 / 800 / 900 / MAX 9 and Embraer E175 (operated by Horizon and SkyWest for regional routes).
Does Alaska Airlines have First or Business Class?
Yes. First Class Alaska Airlines tickets include wider seats with extra recline, free meals and beverages, priority boarding and baggage handling and lounge access (on select fares).
*Available to One Key members.