United Cheap Flights from Seattle to Los Angeles: UA SEA→LAX

View HK$884 flight on Sat, 1 Nov 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Prices were available within the past 7 days and start at HK$884 for one-way flights and HK$1,638 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 13 Jan - Sat, 17 Jan
SEA
Seattle
LAX
Los Angeles
HK$1,638 Return, found 6 days ago
HK$1,638
Return
found 6 days ago
Select United flight, departing Tue, 13 Jan from Seattle to Los Angeles, returning Sat, 17 Jan, priced at HK$1,638 found 6 days ago
United
Fri, 17 Oct - Mon, 20 Oct
SEA
Seattle
LAX
Los Angeles
HK$1,736 Return, found 6 hours ago
HK$1,736
Return
found 6 hours ago
Select United flight, departing Fri, 17 Oct from Seattle to Los Angeles, returning Mon, 20 Oct, priced at HK$1,736 found 6 hours ago
United
Fri, 17 Oct - Mon, 20 Oct
SEA
Seattle
LAX
Los Angeles
HK$1,810 Return, found 6 hours ago
HK$1,810
Return
found 6 hours ago
Select United flight, departing Fri, 17 Oct from Seattle to Los Angeles, returning Mon, 20 Oct, priced at HK$1,810 found 6 hours ago
United
Fri, 17 Oct - Mon, 20 Oct
SEA
Seattle
LAX
Los Angeles
HK$1,851 Return, found 6 hours ago
HK$1,851
Return
found 6 hours ago
Select United flight, departing Fri, 17 Oct from Seattle to Los Angeles, returning Mon, 20 Oct, priced at HK$1,851 found 6 hours ago
United
Sat, 18 Oct - Sat, 25 Oct
SEA
Seattle
LAX
Los Angeles
HK$1,853 Return, found 2 days ago
HK$1,853
Return
found 2 days ago
Select United flight, departing Sat, 18 Oct from Seattle to Los Angeles, returning Sat, 25 Oct, priced at HK$1,853 found 2 days ago
United
Tue, 13 Jan - Sat, 17 Jan
SEA
Seattle
LAX
Los Angeles
HK$1,864 Return, found 6 days ago
HK$1,864
Return
found 6 days ago
Select United flight, departing Tue, 13 Jan from Seattle to Los Angeles, returning Sat, 17 Jan, priced at HK$1,864 found 6 days ago

Frequently asked questions

How much is a United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX)?
You can discover affordable return United Airlines flights from HK$1,638 from SEA to LAX by organising your results from "Price (lowest to highest)" on Expedia. Or look for options from HK$884 for a one-way journey.**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 United Airlines?
January is one of the cheapest months to jet away to Los Angeles with United Airlines. You could also find great prices on one-way and return fares in February.
Does United Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX)?
Book a seat on one of United Airlines's 13 direct weekly flights from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX). To see your choices, enter your dates, destination and origin and hit search. Then apply the "Nonstop" and "Airline" filters.
How long does it take to fly from SEA to LAX with United Airlines?
It takes around 2h 47m to fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX) with United Airlines.
Which day of the week has the most United Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX)?
If it's flexibility you're after, Tuesday offers the most choice for United Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX). You can select from 2 different departures.
What airports does United Airlines fly into in Los Angeles?
When heading from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles with United Airlines, you'll probably touch down at Los Angeles Intl. Airport (LAX). This is the airline's main hub in this destination. Other nearby airports like John Wayne Airport (SNA) and Los Angeles - Ontario Intl. Airport (ONT) may offer more affordable flights, so it's smart to explore all your options on Expedia.
What type of plane does United Airlines fly from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX)?
You'll likely board a Boeing 737 MAX 8 or a Boeing 737 MAX 9 when flying United 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 factors.
Can I change or cancel my United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles Intl. Airport (LAX)?
Changes are typically free within 24 hours of making your booking, but your airline may charge a fee after that time. For further information about altering your reservation, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to make changes without additional charges, apply the "Changes included" and "No cancel fee" filters when planning your trip.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Los Angeles Intl.
Distance
1527 km
Average flight time
2 hours 44 mins

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to Expedia members.