Cheap flights from Los Angeles to Seattle from £52

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
21 Jan — 28 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Los Angeles to Seattle/Tacoma Intl are usually found in January or February, booked 61 days in advance, depart on a Wednesday or Monday 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 22 December 2025.

Wed 31/1210:08LAX - SEA
1 stop5h 15mAlaska Airlines
Sun 11/108:25SEA - LAX
1 stop4h 50mAlaska Airlines
Deal found 20/12£288
Tue 30/1220:10LAX - SEA
1 stop4h 49mUnited Airlines
Mon 26/112:35SEA - LAX
1 stop6h 38mUnited Airlines
Deal found 21/12£292
Tue 23/1213:10LAX - SEA
Nonstop3h 14mUnited Airlines
Sat 17/117:12SEA - LAX
Nonstop2h 59mUnited Airlines
Deal found 21/12£312
Wed 31/1220:00LAX - SEA
Nonstop3h 08mUnited Airlines
Wed 7/109:00SEA - LAX
Nonstop2h 59mUnited Airlines
Deal found 22/12£316
Mon 29/1218:10LAX - SEA
1 stop5h 30mSouthwest
Thu 8/111:20SEA - LAX
2 stops7h 05mSouthwest
Deal found 20/12£320
Tue 23/1207:30LAX - SEA
1 stop4h 05mSouthwest
Sat 17/109:05SEA - LAX
1 stop6h 20mSouthwest
Deal found 21/12£323
Mon 29/1220:10LAX - SEA
1 stop4h 49mUnited Airlines
Wed 7/117:12SEA - LAX
Nonstop2h 59mUnited Airlines
Deal found 20/12£324
Tue 30/1219:59LAX - SEA
Nonstop3h 01mDelta
Sun 4/119:40SEA - LAX
Nonstop2h 56mDelta
Deal found 22/12£327
Mon 22/1211:00LAX - SEA
2 stops8h 10mSouthwest
Tue 27/112:45SEA - LAX
1 stop4h 10mSouthwest
Deal found 21/12£327
Mon 22/1210:15LAX - SEA
2 stops9h 00mSouthwest
Tue 13/111:20SEA - LAX
2 stops7h 05mSouthwest
Deal found 21/12£334

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 22 December 2025.

Round-trip from

£87

One-way from

£52

Popular in

December

Cheapest in

January

Average price

£207

Good round-trip deal

£1,050 or less

Good one-way deal

£81 or less
Delta
  • Delta
  • 23/1-26/1
  • Nonstop
  • 5h 47m total
  • Los Angeles to Seattle
United Airlines
  • United Airlines
  • 20/1
  • Nonstop
  • 3h 10m total
  • Los Angeles to Seattle
Highest demand for flights based on searches. 1% potential increase in price (£2 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Los Angeles to Seattle/Tacoma Intl.
Price to beat on a one-way flight from Los Angeles to Seattle/Tacoma Intl.

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 22 December 2025.
Use the filters below to find and compare flights from Los Angeles to Seattle that are best for you.

Fly from

Los Angeles

Fly to

Seattle

Route

Depart

Return

Price

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 4/2

09:55-12:57

Nonstop3h 02m

Seattle/Tacoma Intl

Wed 11/2

11:17-13:55

Nonstop2h 38m

£87

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 6/2

09:30-12:29

Nonstop2h 59m

Seattle/Tacoma Intl

Sun 8/2

17:53-20:36

Nonstop2h 43m

£87

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 16/1

19:29-22:24

Nonstop2h 55m

Seattle/Tacoma Intl

Sun 18/1

20:35-23:18

Nonstop2h 43m

£87

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 26/3

09:56-12:49

Nonstop2h 53m

Seattle/Tacoma Intl

Sat 28/3

09:40-12:23

Nonstop2h 43m

£87

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 22/1

11:55-14:54

Nonstop2h 59m

Seattle/Tacoma Intl

Sun 25/1

09:55-12:40

Nonstop2h 45m

£87

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 23/1

17:40-20:36

Nonstop2h 56m

Seattle/Tacoma Intl

Tue 27/1

11:17-13:55

Nonstop2h 38m

£87

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 3/2

11:55-14:54

Nonstop2h 59m

Seattle/Tacoma Intl

Tue 10/2

09:55-12:40

Nonstop2h 45m

£87

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 20/1

09:55-12:57

Nonstop3h 02m

Seattle/Tacoma Intl

Sat 24/1

07:15-10:05

Nonstop2h 50m

£87

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 27/3

20:30-23:23

Nonstop2h 53m

Seattle/Tacoma Intl

Sat 28/3

13:30-16:10

Nonstop2h 40m

£87

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 16/1

07:20-10:17

Nonstop2h 57m

Seattle/Tacoma Intl

Mon 19/1

20:10-22:57

Nonstop2h 47m

£87

Flights are sorted by cheapest return flights first.

Deals found on 21/12

Showing 1-10 of 22 results
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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 19 December 2025.

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, January is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of £28). 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 22 December 2025.

One of the essential ways to save on airfare from Los Angeles to Seattle is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 73% 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?

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

    A quick flight from Los Angeles to Seattle can take about 2h 59m. Delta provides one of the quickest options available for as low as £87. Airlines will cover a distance of 954 mi. All flights are typically direct.

  • 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 £19 on Frontier. Other airlines that offer cheap prices include Delta from £44 and Alaska Airlines from £44 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 New Zealand (96%), Virgin Australia (96%), Avianca (96%).

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

    The cheapest flight price from Los Angeles to Seattle is £81. On average you can expect to pay £476. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for £79.

  • 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, January is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of £28). 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
Leavenworth
SeaTac

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Alternative routes for Los Angeles to Seattle

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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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