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Cheap flights from Los Angeles to Seattle from £50

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
19 Dec — 26 Dec1
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 Thursday or Monday and return on a Wednesday

Cheap 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 19 November 2025.

Round-trip from

£106

One-way from

£53

Popular in

November

Cheapest in

January

Average price

£207

Good round-trip deal

£106 or less

Good one-way deal

£131 or less
United Airlines
  • United Airlines
  • 14/2-21/2
  • Nonstop
  • 6h 16m total
  • Los Angeles to Seattle
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United Airlines
  • United Airlines
  • 17/1
  • Nonstop
  • 3h 10m total
  • Los Angeles to Seattle
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Highest demand for flights based on searches. 10% potential increase in price (£15 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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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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Find 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 19 November 2025.

Wed 17/1208:46LAX - SEA
Nonstop3h 09mUnited Airlines
Wed 7/109:00SEA - LAX
Nonstop2h 59mUnited Airlines
Deal found 17/11£113
Wed 10/1211:40LAX - SEA
Nonstop3h 04mDelta
Wed 17/1212:45SEA - LAX
Nonstop2h 44mDelta
Deal found 17/11£119
Wed 17/1207:25LAX - SEA
1 stop4h 10mSouthwest
Wed 7/112:45SEA - LAX
1 stop4h 10mSouthwest
Deal found 17/11£121
Wed 10/1209:00LAX - SEA
2 stops8h 08mAlaska Airlines
Wed 10/1220:10SEA - LAX
Nonstop2h 48mAlaska Airlines
Deal found 18/11£122
Tue 9/1207:40LAX - SEA
Nonstop3h 05mDelta
Wed 10/1220:20SEA - LAX
Nonstop2h 53mDelta
Deal found 18/11£124
Tue 9/1209:00LAX - SEA
1 stop7h 36mAlaska Airlines
Sat 13/1217:59SEA - LAX
Nonstop2h 47mAlaska Airlines
Deal found 18/11£127
Tue 9/1222:27LAX - SEA
1 stop12h 32mAlaska Airlines
Wed 10/1220:18SEA - LAX
1 stop18h 42mAlaska Airlines
Deal found 18/11£130
Sat 13/1214:00LAX - SEA
1 stop6h 15mSouthwest
Tue 16/1208:10SEA - LAX
1 stop4h 10mSouthwest
Deal found 18/11£131
Wed 17/1209:34LAX - SEA
1 stop5h 02mAlaska Airlines
Wed 24/1223:10SEA - LAX
1 stop10h 14mAlaska Airlines
Deal found 18/11£134
Fri 12/1214:15LAX - SEA
Nonstop2h 55mDelta
Sun 14/1214:05SEA - LAX
Nonstop2h 43mDelta
Deal found 17/11£135

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 19 November 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

Fri 20/2

14:35-20:05

1 stop5h 30m

Seattle/Tacoma Intl

Tue 24/2

12:45-16:55

1 stop4h 10m

£117

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 13/12

11:40-14:44

Nonstop3h 04m

Seattle/Tacoma Intl

Tue 16/12

20:20-23:13

Nonstop2h 53m

£119

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 13/12

09:24-12:30

Nonstop3h 06m

Seattle/Tacoma Intl

Tue 16/12

14:59-17:40

Nonstop2h 41m

£119

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 17/2

09:56-12:59

Nonstop3h 03m

Seattle/Tacoma Intl

Wed 25/2

17:50-20:33

Nonstop2h 43m

£119

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 18/2

07:20-10:15

Nonstop2h 55m

Seattle/Tacoma Intl

Tue 24/2

14:04-16:40

Nonstop2h 36m

£119

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 9/12

17:54-20:50

Nonstop2h 56m

Seattle/Tacoma Intl

Tue 16/12

12:45-15:29

Nonstop2h 44m

£119

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 13/12

19:00-21:59

Nonstop2h 59m

Seattle/Tacoma Intl

Wed 17/12

08:25-12:55

1 stop4h 30m

£127

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 17/12

08:00-11:07

Nonstop3h 07m

Seattle/Tacoma Intl

Wed 24/12

23:10-09:24

1 stop10h 14m

£127

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 9/12

07:00-11:49

1 stop4h 49m

Seattle/Tacoma Intl

Tue 16/12

17:59-20:46

Nonstop2h 47m

£127

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Mon 16/2

15:48-18:43

Nonstop2h 55m

Seattle/Tacoma Intl

Wed 25/2

14:04-16:40

Nonstop2h 36m

£127

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 21 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 14 November 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 £29). Flying from Los Angeles to Seattle in July is currently the most expensive (average of £102). 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 19 November 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 70% 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 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 3h 06m. United Airlines provides one of the quickest options available for as low as £112. 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: Singapore Airlines (100%), Air New Zealand (97%), Virgin Australia (97%).

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

    The cheapest flight price from Los Angeles to Seattle is £106. On average you can expect to pay £541. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for £168.

  • 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 £29). Flying from Los Angeles to Seattle in July is currently the most expensive (average of £102). 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
Bothell
SeaTac

Browse thousands of different options on Cheapflights for your next trip

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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

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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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