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Cheap flights from Los Angeles to Seattle from £67

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Los Angeles Los Angeles to Seattle/Tacoma Intl are usually found in March or May, booked 61 days in advance, depart on a Wednesday or Monday and return on a Tuesday

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 23 March 2026.

Wed 6/515:15
LAX
-
SEA
Nonstop3h 20m
Frontier
Wed 13/511:06
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 22/3£82
Sat 2/514:45
LAX
-
SEA
Nonstop2h 57m
Frontier
Sat 9/511:06
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 18/3£85
Tue 14/407:00
LAX
-
SEA
Nonstop2h 53m
Delta
Sat 18/410:15
SEA
-
LAX
Nonstop2h 45m
Delta
Deal found 20/3£133
Sat 2/514:45
LAX
-
SEA
Nonstop2h 57m
Multiple Airlines
Sat 9/511:37
SEA
-
LAX
1 stop10h 25m
Multiple Airlines
Deal found 18/3£136
Sat 25/407:00
LAX
-
SEA
Nonstop2h 53m
Delta
Sun 26/407:35
SEA
-
LAX
Nonstop2h 50m
Delta
Deal found 20/3£140
Sat 2/515:30
LAX
-
SEA
1 stop4h 10m
Southwest
Sat 9/506:25
SEA
-
LAX
1 stop4h 10m
Southwest
Deal found 18/3£141
Sat 9/517:40
LAX
-
SEA
Nonstop2h 50m
Delta
Mon 11/517:35
SEA
-
LAX
Nonstop2h 43m
Delta
Deal found 18/3£142
Fri 24/419:50
LAX
-
SEA
1 stop5h 05m
Southwest
Sun 26/405:00
SEA
-
LAX
1 stop4h 15m
Southwest
Deal found 18/3£144
Tue 14/416:48
LAX
-
SEA
Nonstop2h 57m
United Airlines
Fri 17/406:00
SEA
-
LAX
Nonstop2h 45m
United Airlines
Deal found 18/3£145
Sun 3/507:00
LAX
-
SEA
Nonstop2h 53m
Delta
Sun 10/507:25
SEA
-
LAX
Nonstop2h 46m
Delta
Deal found 18/3£148

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 23 March 2026.

Round-trip from

£82

One-way from

£67

Popular in

June

Cheapest in

March

Average price

£143

Good round-trip deal

£202 or less

Good one-way deal

£63 or less
Frontier
  • Frontier
  • 6/5-13/5
  • Nonstop
  • 6h 17m total
  • Los Angeles to Seattle
Search Deals
United Airlines
  • United Airlines
  • 15/4
  • Nonstop
  • 2h 54m total
  • Los Angeles to Seattle
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£3 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 March 2026
Search Deals
Price to beat on a round-trip flight from Los Angeles Los Angeles to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Los Angeles 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 858,174 searches. Data last updated 23 March 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 Los Angeles

Thu 7/5

17:57-20:50

Nonstop2h 53m

Seattle/Tacoma Intl

Tue 12/5

13:00-15:48

Nonstop2h 48m

£140

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sat 2/5

15:30-19:40

1 stop4h 10m

Seattle/Tacoma Intl

Sat 9/5

06:25-10:35

1 stop4h 10m

£141

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Wed 6/5

10:55-18:30

1 stop7h 35m

Seattle/Tacoma Intl

Wed 13/5

06:50-13:00

1 stop6h 10m

£148

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Wed 22/4

15:35-23:35

1 stop8h 00m

Seattle/Tacoma Intl

Fri 24/4

07:20-17:05

1 stop9h 45m

£159

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Fri 24/4

19:50-00:55

1 stop5h 05m

Seattle/Tacoma Intl

Sun 26/4

05:00-09:15

1 stop4h 15m

£159

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sun 5/4

17:15-00:05

1 stop6h 50m

Seattle/Tacoma Intl

Wed 15/4

05:30-12:15

1 stop6h 45m

£193

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Tue 21/4

15:40-20:57

1 stop5h 17m

Seattle/Tacoma Intl

Sat 25/4

08:42-15:31

1 stop6h 49m

£208

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sat 4/4

17:35-22:50

1 stop5h 15m

Seattle/Tacoma Intl

Tue 14/4

11:40-19:45

2 stops8h 05m

£211

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Thu 30/4

09:15-14:36

1 stop5h 21m

Seattle/Tacoma Intl

Tue 5/5

07:08-13:43

1 stop6h 35m

£215
Cheapest one-way

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Wed 15/4

16:48-19:52

Nonstop3h 04m

£67

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 21 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?

Use this chart to determine the optimal time to book a return flight from Los Angeles to Seattle. Price data was last updated on 13 March 2026.

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 61 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, March is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of £42). Flying from Los Angeles to Seattle in July is currently the most expensive (average of £100). 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 23 March 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 morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 61% on airfare.

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 Los Angeles to Seattle/Tacoma Intl have been viewed 18 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. Alaska Airlines provides one of the quickest options available for as low as £140. Airlines will cover a distance of 954 mi. This flight may include one or multiple stops.

  • 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%), SAUDIA (100%), Frontier (95%).

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

    The cheapest flight price from Los Angeles to Seattle is £21. On average you can expect to pay £532. The most popular route, (Los Angeles Los Angeles - Seattle/Tacoma Intl), can usually be booked for £109.

  • 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 £42). Flying from Los Angeles to Seattle in July is currently the most expensive (average of £100). 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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