$49 Cheap Flights from Seattle (SEA) to Los Angeles (LAX)

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Find available prices by choosing your travel dates.

Cheap Flights from Seattle to Los Angeles (SEA-LAX)

Prices were available within the past 7 days and start at $49 for one-way flights and $92 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Spirit Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Alaska Airlines
American Airlines
Delta
Flights from Seattle (SEA) to Los Angeles (LAX)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Los Angeles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$91
Distance
954 mi

Seattle to Los Angeles Flights

The cheapest times to fly from Seattle to Los Angeles

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Los Angeles are during the month of May. You can find some of the cheapest flights from Seattle to Los Angeles with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Seattle to Los Angeles

Sunday is one of the best days to book for cheap flights from Seattle to Los Angeles: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Seattle to Los Angeles

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Los Angeles in 2025. You can also book with separate airlines for your outbound and return journeys, from $49 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Los Angeles flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Los Angeles airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to LAX?
Alaska Airlines operates a direct flight leaving from SEA at 9:15PM and coming in to land at LAX at 11:59PM — a total travel time of 2 hours and 44 minutes. Pick your preferred seat, bring your headphones to keep you occupied and the time will whiz by.
Is it cheaper to buy a plane ticket from Sea-Tac Airport to LAX last minute?
Being the spontaneous type is a terrific way to see the world, but it isn’t necessarily the smartest way to find a bargain plane ticket. It’s better to book your Seattle - Tacoma Intl. Airport (SEA) to LAX trip well in advance instead of leaving it till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave all that spontaneity for when you arrive in LAX!
What airline has the least delays from Sea-Tac Airport to Los Angeles Intl. Airport (LAX)?
Head off with Delta Air Lines from SEA to LAX and you’re more likely to hit the tarmac at the time on your plane ticket. This carrier is the top performer on this route, with an 89% on-time score. If your flight is delayed for whatever reason, the free Expedia App will keep you in the loop. Download it onto your device and get real-time trip alerts, from flight delays to gate changes.
What airports do you fly into for Los Angeles from Seattle?
Los Angeles Intl. Airport (LAX), Long Beach Municipal Airport (LGB) and Bob Hope Airport (BUR) are your options when jetting from Seattle to Los Angeles. Approximately 11 mi southwest of the heart of Los Angeles, Los Angeles Intl. Airport (LAX) is the city’s main hub. Keep in mind things such as flight departure and arrival times and the distance to your hotel before deciding on an airport. University of Southern California and TCL Chinese Theatre are two awesome attractions to add to your must-see list when you get to your destination.
What are the most popular departure times for flights from Sea-Tac Airport to Los Angeles Intl. Airport (LAX)?
The most popular departure times for trips from Seattle - Tacoma Intl. Airport (SEA) to LAX are between 4:00 PM - 5:00 PM on United Airlines. One helpful tip is to zoom off in the morning. The earlier you leave, the better your chances of arriving on time as air traffic hasn’t yet built up around airports.
Can I change the date of my flight from Sea-Tac Airport to LAX?
Quickly make changes to your Seattle - Tacoma Intl. Airport (SEA) to LAX flight by logging in to the Expedia Trips portal. Before you make any amendments, check the ticket rules in your itinerary to find out what the carrier will allow you to do and what charges may apply. Some carriers charge a change fee per person, plus any difference in ticket prices. However, if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also swing by our Customer Service portal for more information and to connect with our Virtual Agent.

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