CA $149 Cheap Alaska Airlines fights from Seattle (SEA) to Los Angeles (LAX)

View CA $149 flight on Wed, Sep. 24, 2025Opens in a new window

Alaska Airlines flights from Seattle to Los Angeles (SEA→LAX)

Prices were available within the past 7 days and start at CA $149 for one-way flights and CA $271 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Sep. 27 - Tue, Sep. 30
SEA
Seattle
LAX
Los Angeles
CA $271 Roundtrip, found 7 hours ago
CA $271
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Sat, Sep. 27 from Seattle to Los Angeles, returning Tue, Sep. 30, priced at CA $271 found 7 hours ago
Alaska Airlines
Sat, Sep. 27 - Tue, Sep. 30
SEA
Seattle
LAX
Los Angeles
CA $286 Roundtrip, found 7 hours ago
CA $286
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Sat, Sep. 27 from Seattle to Los Angeles, returning Tue, Sep. 30, priced at CA $286 found 7 hours ago
Alaska Airlines
Wed, Oct. 1 - Wed, Oct. 8
SEA
Seattle
LAX
Los Angeles
CA $286 Roundtrip, found 2 days ago
CA $286
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Oct. 1 from Seattle to Los Angeles, returning Wed, Oct. 8, priced at CA $286 found 2 days ago
Alaska Airlines
Wed, Oct. 1 - Sat, Oct. 4
SEA
Seattle
LAX
Los Angeles
CA $289 Roundtrip, found 2 days ago
CA $289
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Oct. 1 from Seattle to Los Angeles, returning Sat, Oct. 4, priced at CA $289 found 2 days ago
Alaska Airlines
Tue, Nov. 18 - Thu, Nov. 27
SEA
Seattle
LAX
Los Angeles
CA $291 Roundtrip, found 3 days ago
CA $291
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Nov. 18 from Seattle to Los Angeles, returning Thu, Nov. 27, priced at CA $291 found 3 days ago
Alaska Airlines
Tue, Nov. 18 - Thu, Nov. 27
SEA
Seattle
LAX
Los Angeles
CA $291 Roundtrip, found 3 days ago
CA $291
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Nov. 18 from Seattle to Los Angeles, returning Thu, Nov. 27, priced at CA $291 found 3 days ago
Flight from Seattle to Los Angeles (SEA - LAX) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Los Angeles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
1527 km
Average flight time
2 hours 47 mins

Frequently asked questions

How much is an Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX)?
Make use of the "Price (lowest to highest)" filter on Expedia to search for cheap Alaska Airlines round-trip flights from CA $271 from SEA to LAX. Affordable one-way tickets from CA $149 are also on offer.**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 SEA to LAX with Alaska Airlines?
Browse for return or one-way flights to Los Angeles in January or February. You could find lower fares with Alaska Airlines during these off-peak travel months.
Does Alaska Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX)?
Skip the layovers and fly from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX) on one of Alaska Airlines's 66 direct weekly flights. Make use of our "Nonstop" and "Airline" filters to find the Alaska Airlines flight that'll get you to LAX at your preferred time.
How long does it take to fly from SEA to LAX with Alaska Airlines?
From takeoff to arrival, a nonstop Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX) takes approximately 2h 49m.
Which day of the week has the most Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX)?
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 to book something that will suit your schedule.
What airports does Alaska Airlines fly into in Los Angeles?
Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles come in to Los Angeles Intl. Airport (LAX), John Wayne Airport (SNA) and Los Angeles - Ontario Intl. Airport (ONT). The primary Los Angeles hub for this airline is LAX. It's worth exploring flights landing at other nearby airports on Expedia as they may have lower fares.
What type of plane does Alaska Airlines fly from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX)?
For the Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX) route, Alaska Airlines typically flies Boeing 737-800 and Boeing 737-900 planes. Don't forget that last-minute changes can occur for operational purposes, meaning your flight could be on a different aircraft.
Can I change or cancel my Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX)?
Depending on the ticket type you purchased, a fee may apply if you change or cancel your flight more than 24 hours after confirmation. To secure plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when you look for flights. For additional information on modifying or cancelling your reservation, visit "Trips," select your flight and click on "Manage Booking."
*Available to Expedia members.