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Cheap flights from Los Angeles to Seattle from £73

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
5 Jun — 12 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Los Angeles to Seattle/Tacoma Intl are usually found in May or March, booked 61 days in advance, depart on a Monday or Wednesday and return on a Friday

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 6 May 2026.

Fri 5/615:15
LAX
-
SEA
Nonstop3h 20m
Frontier
Sun 7/611:21
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 5/5£137
Tue 2/609:25
LAX
-
SEA
Nonstop2h 56m
Delta
Sat 6/612:40
SEA
-
LAX
Nonstop2h 47m
Delta
Deal found 6/5£145
Sat 30/518:45
LAX
-
SEA
1 stop6h 28m
United Airlines
Sat 6/617:06
SEA
-
LAX
Nonstop2h 49m
United Airlines
Deal found 1/5£153
Tue 2/616:55
LAX
-
SEA
1 stop4h 05m
Southwest
Sat 6/616:50
SEA
-
LAX
1 stop4h 15m
Southwest
Deal found 3/5£154
Tue 2/616:10
LAX
-
SEA
1 stop4h 10m
Southwest
Wed 3/611:35
SEA
-
LAX
1 stop5h 25m
Southwest
Deal found 5/5£157
Thu 4/621:05
LAX
-
SEA
Nonstop2h 48m
Delta
Sun 7/607:15
SEA
-
LAX
Nonstop2h 50m
Delta
Deal found 6/5£160
Tue 2/616:10
LAX
-
SEA
1 stop4h 10m
Southwest
Fri 5/619:10
SEA
-
LAX
1 stop4h 55m
Southwest
Deal found 5/5£161
Wed 3/606:00
LAX
-
SEA
Nonstop2h 57m
Alaska Airlines
Wed 3/611:45
SEA
-
LAX
1 stop7h 10m
Alaska Airlines
Deal found 6/5£163
Sat 6/615:45
LAX
-
SEA
2 stops8h 50m
Southwest
Tue 9/613:30
SEA
-
LAX
1 stop7h 35m
Southwest
Deal found 6/5£164
Wed 27/520:22
LAX
-
SEA
1 stop4h 51m
United Airlines
Sun 31/505:00
SEA
-
LAX
1 stop5h 43m
United Airlines
Deal found 6/5£168

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 6 May 2026.

Round-trip from

£137

One-way from

£73

Popular in

June

Cheapest in

May

Average price

£145

Good round-trip deal

£375 or less

Good one-way deal

£265 or less
Frontier
  • Frontier
  • 5/6-7/6
  • Nonstop
  • 6h 17m total
  • Los Angeles to Seattle
Search Deals
United Airlines
  • United Airlines
  • 6/6
  • Nonstop
  • 2h 57m total
  • Los Angeles to Seattle
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£2 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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Price to beat on a round-trip flight from Los Angeles to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Los Angeles to Seattle/Tacoma Intl.
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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 858,174 searches. Data last updated 6 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

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 27/5

16:25-19:18

Nonstop2h 53m

Seattle/Tacoma Intl

Sat 6/6

13:30-20:29

1 stop6h 59m

£153

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 30/5

07:00-10:00

Nonstop3h 00m

Seattle/Tacoma Intl

Mon 1/6

15:50-18:35

Nonstop2h 45m

£153
Fastest return journey

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 30/5

19:15-22:08

Nonstop2h 53m

Seattle/Tacoma Intl

Sun 31/5

06:06-08:50

Nonstop2h 44m

£183

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 30/5

14:08-18:54

1 stop4h 46m

Seattle/Tacoma Intl

Sat 6/6

09:02-11:49

Nonstop2h 47m

£190

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 11/6

19:15-22:08

Nonstop2h 53m

Seattle/Tacoma Intl

Wed 17/6

07:00-11:57

1 stop4h 57m

£190

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 1/9

07:45-14:22

1 stop6h 37m

Seattle/Tacoma Intl

Wed 9/9

15:33-21:31

1 stop5h 58m

£197

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 3/6

18:45-01:13

1 stop6h 28m

Seattle/Tacoma Intl

Sat 6/6

08:45-13:55

1 stop5h 10m

£197

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 7/7

13:25-18:47

1 stop5h 22m

Seattle/Tacoma Intl

Tue 14/7

08:45-13:55

1 stop5h 10m

£197

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Mon 25/5

20:13-06:08

1 stop9h 55m

Seattle/Tacoma Intl

Sat 30/5

15:50-20:10

1 stop4h 20m

£212

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Mon 22/6

21:12-23:59

Nonstop2h 47m

Seattle/Tacoma Intl

Sun 28/6

07:26-10:20

Nonstop2h 54m

£219

Flights are sorted by cheapest return flights first.

Deals found on 4/5

Showing 1-10 of 24 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?

The price you pay for your flight from Los Angeles to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, May is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of £145). Flying from Los Angeles to Seattle in June is currently the most expensive (average of £197). 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 6 May 2026.

One of the essential ways to save on airfare from Los Angeles to Seattle is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 48% on airfare.

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

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.

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

    Flights from Los Angeles to Seattle/Tacoma Intl have been viewed 24 times in the past calendar month.

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

    A quick flight from Los Angeles to Seattle can take about 2h 53m. United Airlines provides one of the quickest options available for as low as £153. Airlines will cover a distance of 954 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Los Angeles to Seattle one-way?

    One-way options have recently been found by users for as low as £20 on Frontier. Other airlines that offer cheap prices include Delta from £80 and Alaska Airlines from £97 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Los Angeles to Seattle on time: Air China (100%), Horizon Air (100%), Iberia (97%).

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

    The cheapest flight price from Los Angeles to Seattle is £201. On average you can expect to pay £563. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for £154.

  • 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, May is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of £145). Flying from Los Angeles to Seattle in June is currently the most expensive (average of £197). 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
Tacoma
Federal Way
SeaTac

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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.
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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?

When you search for this flight from Los Angeles to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Los Angeles to Seattle.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Los Angeles to Seattle flexibly with Cheapflights today.

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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