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Cheap flights from Los Angeles to Seattle from $125

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
20 Jun — 27 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Los Angeles to Seattle/Tacoma Intl are usually found in March or February, booked 61 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Los Angeles to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Los Angeles to Seattle
Explore the most affordable flight options available from Los Angeles to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 May 2026.

Sat 6/614:05
LAX
-
SEA
Nonstop2h 46m
Delta
Mon 8/621:40
SEA
-
LAX
Nonstop2h 45m
Delta
Deal found 16/5$290
Fri 21/818:50
LAX
-
SEA
Nonstop2h 51m
United Airlines
Tue 1/916:45
SEA
-
LAX
Nonstop2h 49m
United Airlines
Deal found 20/5$304
Wed 9/915:15
LAX
-
SEA
1 stop3h 55m
Southwest
Sat 12/914:20
SEA
-
LAX
1 stop4h 15m
Southwest
Deal found 20/5$320
Thu 11/620:05
LAX
-
SEA
1 stop14h 30m
Frontier
Mon 15/620:12
SEA
-
LAX
1 stop22h 48m
Frontier
Deal found 18/5$321
Mon 8/606:00
LAX
-
SEA
1 stop5h 05m
Southwest
Mon 8/619:10
SEA
-
LAX
1 stop4h 55m
Southwest
Deal found 18/5$325
Fri 21/816:50
LAX
-
SEA
Nonstop2h 49m
Alaska Airlines
Sun 23/820:10
SEA
-
LAX
Nonstop2h 49m
Alaska Airlines
Deal found 18/5$332
Wed 26/813:25
LAX
-
SEA
2 stops6h 50m
Southwest
Sat 29/814:20
SEA
-
LAX
1 stop4h 15m
Southwest
Deal found 20/5$334
Wed 19/813:25
LAX
-
SEA
1 stop6h 50m
Southwest
Sun 23/807:10
SEA
-
LAX
1 stop8h 25m
Southwest
Deal found 20/5$339
Thu 11/619:15
LAX
-
SEA
Nonstop2h 53m
United Airlines
Mon 15/606:06
SEA
-
LAX
Nonstop2h 44m
United Airlines
Deal found 17/5$345
Thu 9/719:07
LAX
-
SEA
Nonstop2h 53m
United Airlines
Sun 12/706:00
SEA
-
LAX
Nonstop2h 44m
United Airlines
Deal found 18/5$346

Find flight deals from Los Angeles to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 May 2026.

Round-trip from

$290

One-way from

$125

Popular in

June

Cheapest in

March

Average price

$304

Good round-trip deal

$346 or less

Good one-way deal

$245 or less
Delta
  • Delta
  • 6/6-8/6
  • Nonstop
  • 5h 31m total
  • Los Angeles to Seattle
Search Deals
Frontier
  • Frontier
  • 15/6
  • Nonstop
  • 3h 01m total
  • Los Angeles to Seattle
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Los Angeles to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Los Angeles to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Los Angeles to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 21 May 2026.
Use the filters below to find and compare flights from Los Angeles to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 11/9

16:40-19:32

Nonstop2h 52m

Seattle/Tacoma Intl

Mon 14/9

18:52-21:41

Nonstop2h 49m

$346

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 29/7

20:10-01:29

1 stop5h 19m

Seattle/Tacoma Intl

Fri 7/8

06:00-08:44

Nonstop2h 44m

$361

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 3/9

17:37-23:26

1 stop5h 49m

Seattle/Tacoma Intl

Sat 12/9

07:00-14:08

1 stop7h 08m

$375

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Mon 17/8

19:00-21:51

Nonstop2h 51m

Seattle/Tacoma Intl

Fri 21/8

17:20-23:06

1 stop5h 46m

$382

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Mon 17/8

13:55-21:15

2 stops7h 20m

Seattle/Tacoma Intl

Fri 21/8

15:40-21:20

1 stop5h 40m

$436

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 9/9

15:15-19:10

1 stop3h 55m

Seattle/Tacoma Intl

Tue 22/9

13:45-21:10

2 stops7h 25m

$457

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Mon 20/7

13:05-21:50

2 stops8h 45m

Seattle/Tacoma Intl

Wed 22/7

16:35-21:10

1 stop4h 35m

$459

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 23/10

18:15-22:15

1 stop4h 00m

Seattle/Tacoma Intl

Mon 26/10

06:35-15:35

2 stops9h 00m

$460

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 16/7

17:45-23:50

1 stop6h 05m

Seattle/Tacoma Intl

Sat 18/7

08:45-17:35

1 stop8h 50m

$464

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sun 13/9

11:00-18:05

1 stop7h 05m

Seattle/Tacoma Intl

Wed 16/9

13:45-21:10

2 stops7h 25m

$464

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Los Angeles to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Los Angeles with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Los Angeles to Seattle

How far ahead should I book a flight from Los Angeles to Seattle?

To ensure you get the cheapest price possible for a flight from Los Angeles to Seattle, you should look to book at least 60 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Los Angeles to Seattle?

Currently, March is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of $293). Flying from Los Angeles to Seattle in June is currently the most expensive (average of $394). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAX to SEA?

Find hourly flight availability from Los Angeles to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 May 2026.

It’s typically best to fly out from Los Angeles to Seattle in the morning. Doing so could potentially save you 69% on the flight price compared to flying at midday, which is usually more expensive.

How much does it cost for a return flight from Los Angeles to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 21 May 2026.
Read reviews from past customers who have flown with Alaska Airlines from Los Angeles to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,390 reviews
Check prices

Overall

7.9

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,390 reviews
Alaska Airlines
7.9
Good
12,390 reviews
Check prices

Overall

7.9

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

Find useful and relevant information for your journey from Los Angeles to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Los Angeles to Seattle?

    If you wish to fly to Seattle from Los Angeles, then you need to book flights from Los Angeles to Seattle/Tacoma Intl. There are 61 flights from Los Angeles (LAX) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from Los Angeles are available from 1 airline, which means you should have some options if you want to compare airfare deals. 2h 47m is how long a nonstop flight from Los Angeles to Seattle/Tacoma Intl typically takes.

  • How popular is this Los Angeles to Seattle flight route?

    Within the past month, 20 users have taken a look at flights from Los Angeles to Seattle/Tacoma Intl.

  • How long is the flight from Los Angeles to Seattle?

    Departing from Los Angeles to Seattle will take you 2h 42m. The distance between Los Angeles and Seattle is about 1535 km. All flights are typically direct.

  • What is the cheapest airline to fly from Los Angeles to Seattle round-trip?

    Cheapflights users have booked flights from Los Angeles to Seattle round-trip from $199. This flight start at 41% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Los Angeles to Seattle?

    Consider Horizon Air (100%), Iberia (97%) or WestJet (96%) when booking your flight. These represent the most reliable airlines when flying from Los Angeles to Seattle.

  • What are the cheapest flights from Los Angeles to Seattle?

    Looking for the cheapest flight from Los Angeles to Seattle? While on average our users pay $344, our data indicates the cheapest price to be $47. The most popular route (Los Angeles - Seattle/Tacoma Intl), is priced around $428.

  • Can I find deals for flights from Los Angeles to Seattle that include hotel bookings?

    Yes. In addition to deals on Los Angeles to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Los Angeles to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Los Angeles to Seattle.

  • Can I find deals for business class flights from Los Angeles to Seattle?

    Yes. Cheapflights offers flight deals from Los Angeles to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Los Angeles to Seattle?

    Currently, March is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of $293). Flying from Los Angeles to Seattle in June is currently the most expensive (average of $394). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Ocean Shores

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Alternative routes for Los Angeles to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Seattle flights
Los Angeles to Portland flights
San Francisco to Portland flights

Top airline flying from Los Angeles to Seattle

Discover the top airline that operate flights from Los Angeles to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 21 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$199Average$312FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Los Angeles to Seattle?

Cheapflights helps you search for flights from Los Angeles to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Los Angeles to Seattle?

Cheapflights simply makes it quick and affordable to book flights from Los Angeles to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Los Angeles to Seattle with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Los Angeles to Seattle, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Los Angeles to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Los Angeles today and book when prices fit your budget.

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