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Cheap flights from Los Angeles to Seattle from C$ 97

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 25/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
11 Jan — 18 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 Sunday or Thursday 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 12 December 2025.

Thu 25/121:10 p.m.LAX - SEA
Nonstop3h 14mUnited Airlines
Thu 1/19:06 a.m.SEA - LAX
Nonstop2h 59mUnited Airlines
Deal found 11/12C$ 192
Thu 25/124:10 p.m.LAX - SEA
1 stop4h 57mUnited Airlines
Sun 18/112:35 p.m.SEA - LAX
1 stop6h 38mUnited Airlines
Deal found 11/12C$ 335
Tue 23/1211:10 a.m.LAX - SEA
Nonstop3h 05mDelta
Wed 7/17:35 p.m.SEA - LAX
Nonstop2h 46mDelta
Deal found 10/12C$ 368
Thu 25/128:00 p.m.LAX - SEA
Nonstop3h 08mUnited Airlines
Fri 26/125:00 a.m.SEA - LAX
1 stop5h 52mUnited Airlines
Deal found 10/12C$ 370
Wed 31/125:59 p.m.LAX - SEA
Nonstop3h 00mAlaska Airlines
Wed 7/112:50 p.m.SEA - LAX
1 stop4h 32mAlaska Airlines
Deal found 10/12C$ 375
Tue 30/122:40 p.m.LAX - SEA
1 stop7h 30mSouthwest
Thu 1/16:15 a.m.SEA - LAX
1 stop4h 20mSouthwest
Deal found 11/12C$ 383
Wed 31/127:25 a.m.LAX - SEA
1 stop9h 05mSouthwest
Thu 1/16:15 a.m.SEA - LAX
1 stop4h 20mSouthwest
Deal found 11/12C$ 390
Tue 30/122:40 p.m.LAX - SEA
1 stop7h 30mSouthwest
Mon 5/16:45 p.m.SEA - LAX
1 stop4h 30mSouthwest
Deal found 10/12C$ 396
Wed 31/127:25 a.m.LAX - SEA
1 stop9h 05mSouthwest
Mon 5/17:10 a.m.SEA - LAX
1 stop4h 15mSouthwest
Deal found 10/12C$ 397
Tue 30/122:40 p.m.LAX - SEA
1 stop7h 30mSouthwest
Thu 8/111:20 a.m.SEA - LAX
2 stops7h 05mSouthwest
Deal found 9/12C$ 403

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 12 December 2025.

Round-trip from

C$ 192

One-way from

C$ 97

Popular in

December

Cheapest in

January

Average price

C$ 368

Good round-trip deal

C$ 126 or less

Good one-way deal

C$ 59 or less
United Airlines
  • United Airlines
  • 10/1-17/1
  • Nonstop
  • 6h 13m total
  • Los Angeles to Seattle
Search Deals
United Airlines
  • United Airlines
  • 25/12
  • Nonstop
  • 3h 14m total
  • Los Angeles to Seattle
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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.
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Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 12 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 7/1

7:20 a.m.-10:17 a.m.

Nonstop2h 57m

Seattle/Tacoma Intl

Tue 20/1

2:02 p.m.-4:38 p.m.

Nonstop2h 36m

C$ 217

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 6/1

4:37 p.m.-7:34 p.m.

Nonstop2h 57m

Seattle/Tacoma Intl

Tue 20/1

2:02 p.m.-4:38 p.m.

Nonstop2h 36m

C$ 217

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 10/1

1:45 p.m.-4:38 p.m.

Nonstop2h 53m

Seattle/Tacoma Intl

Sat 17/1

5:40 p.m.-8:20 p.m.

Nonstop2h 40m

C$ 217

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 10/1

8:37 p.m.-11:47 p.m.

Nonstop3h 10m

Seattle/Tacoma Intl

Sun 11/1

9:00 a.m.-11:59 a.m.

Nonstop2h 59m

C$ 218

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sun 25/1

5:00 p.m.-10:30 p.m.

1 stop5h 30m

Seattle/Tacoma Intl

Tue 27/1

12:45 p.m.-4:55 p.m.

1 stop4h 10m

C$ 223

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 16/1

7:29 p.m.-10:24 p.m.

Nonstop2h 55m

Seattle/Tacoma Intl

Tue 20/1

9:55 a.m.-12:40 p.m.

Nonstop2h 45m

C$ 230

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 6/1

4:37 p.m.-7:34 p.m.

Nonstop2h 57m

Seattle/Tacoma Intl

Mon 19/1

5:40 p.m.-8:20 p.m.

Nonstop2h 40m

C$ 230

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 23/1

7:20 a.m.-10:17 a.m.

Nonstop2h 57m

Seattle/Tacoma Intl

Tue 27/1

2:02 p.m.-4:38 p.m.

Nonstop2h 36m

C$ 230

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 15/1

7:29 p.m.-10:24 p.m.

Nonstop2h 55m

Seattle/Tacoma Intl

Tue 20/1

11:17 a.m.-1:55 p.m.

Nonstop2h 38m

C$ 230

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 3/2

4:45 p.m.-7:55 p.m.

Nonstop3h 10m

Seattle/Tacoma Intl

Thu 12/2

5:05 a.m.-10:00 a.m.

1 stop4h 55m

C$ 232

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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 round-trip 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 round-trip flight from Los Angeles to Seattle. Price data was last updated on 5 December 2025.

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Los Angeles to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 C$ 52). Flying from Los Angeles to Seattle in July is currently the most expensive (average of C$ 185). 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 12 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 in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 57% on airfare.

What is the cheapest day to fly from Los Angeles to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Los Angeles to Seattle. Price data was last updated on 6 December 2025.

Travelers seeking maximum savings on their Los Angeles to Seattle flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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?

    Within the past month, 32 users have taken a look at flights from Los Angeles to Seattle/Tacoma Intl.

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

    For as low as C$ 217, United Airlines can have you in Seattle from Los Angeles in 3h 02m. There are 1535 km between Los Angeles and Seattle. Both multi-stop and direct flights can be found to your destination and back.

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

    C$ 28 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Alaska Airlines, with prices starting from C$ 58 and C$ 94, respectively.

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

    The top 3 most reliable airlines when flying from Los Angeles to Seattle are SAUDIA (100%), Air New Zealand (98%) and Virgin Australia (98%).

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

    The cheapest flight price from Los Angeles to Seattle is C$ 28. On average you can expect to pay C$ 171. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for C$ 269.

  • 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 vacation 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 C$ 52). Flying from Los Angeles to Seattle in July is currently the most expensive (average of C$ 185). 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
Leavenworth
SeaTac
Tukwila
Mukilteo
Tacoma
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood

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

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