Cheap Alaska Airlines flights Seattle (SEA) to Los Angeles (LAX)

Apply the “Price (lowest to highest)” filter on Expedia to search for cheap Alaska Airlines round-trip flights from SEA to LAX. Affordable one-way tickets are available as well.**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.

Alaska Airlines flights to Los Angeles are often more affordable in the quieter months of January and February. Whether you’re in search of a round-trip or one-way ticket, you could score a better deal then.

Start searching one to three months before your departure to find cheap fares on Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Yes, you can fly from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX) on any of Alaska Airlines’s 66 direct weekly flights. Make use of our “Nonstop” and “Airline” filters to find the Alaska Airlines flight that’ll land at LAX at a time that suits you.

It takes around 2h 49m to fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX) with Alaska Airlines.

Sunday has the most Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX). With 12 daily departures, this is the best day of the week to book something that will work for your schedule.

Leaving SEA at 6:00AM UTC-8, the first Alaska Airlines flight to LAX arrives at 8:47AM UTC-8. Traveling earlier in the day means you’re less likely to encounter delays or cancellations.* After something later? The last Alaska Airlines flight from SEA to LAX departs at 9:16PM UTC-8 and touches down at 11:59PM UTC-8.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Los Angeles Intl. Airport (LAX) is the main Los Angeles gateway for Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA). John Wayne Airport (SNA) and Los Angeles - Ontario Intl. Airport (ONT) are two other possibilities. When organizing your break through Expedia, choose the “All Airports” option for your destination to see exactly what’s available.

Offering top-tier customer service and a rewarding loyalty program, Alaska Airlines is a popular option for many passengers heading from SEA to LAX. Plus, if you’re a Mileage Plan and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You’ll likely board a Boeing 737-800 or a Boeing 737-900 when flying Alaska Airlines from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX). However, keep in mind that a different aircraft may be assigned due to operational requirements.

Depending on the type of ticket you purchased, a fee may apply if you cancel or reschedule your flight more than 24 hours after it has been confirmed. To find plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when searching for flights. For additional information on changing or canceling your reservation, head to “Trips,” select your flight and tick “Manage Booking.”