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Cheap flights from Los Angeles to Seattle from C$ 61

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
10 Apr — 17 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 Tuesday 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 11 March 2026.

Wed 8/41:39 p.m.
LAX
-
SEA
Nonstop3h 05m
Frontier
Wed 15/410:57 a.m.
SEA
-
LAX
Nonstop2h 48m
Frontier
Deal found 10/3C$ 121
Sat 25/42:45 p.m.
LAX
-
SEA
Nonstop2h 57m
Frontier
Fri 1/54:20 p.m.
SEA
-
LAX
1 stop7h 51m
Frontier
Deal found 7/3C$ 170
Sat 25/42:45 p.m.
LAX
-
SEA
Nonstop2h 57m
Multiple Airlines
Fri 1/59:06 p.m.
SEA
-
LAX
Nonstop2h 52m
Multiple Airlines
Deal found 7/3C$ 181
Tue 21/44:48 p.m.
LAX
-
SEA
Nonstop2h 57m
United Airlines
Mon 4/58:45 a.m.
SEA
-
LAX
Nonstop3h 03m
United Airlines
Deal found 8/3C$ 186
Thu 30/43:35 p.m.
LAX
-
SEA
Nonstop2h 51m
Delta
Sun 3/57:35 a.m.
SEA
-
LAX
Nonstop2h 50m
Delta
Deal found 8/3C$ 187
Sat 25/49:25 a.m.
LAX
-
SEA
1 stop8h 50m
Southwest
Sat 2/56:25 a.m.
SEA
-
LAX
1 stop4h 10m
Southwest
Deal found 11/3C$ 198
Thu 16/48:00 a.m.
LAX
-
SEA
Nonstop3h 02m
Alaska Airlines
Wed 22/49:06 p.m.
SEA
-
LAX
Nonstop2h 52m
Alaska Airlines
Deal found 9/3C$ 200
Tue 28/44:55 p.m.
LAX
-
SEA
1 stop4h 05m
Southwest
Sat 2/56:25 a.m.
SEA
-
LAX
1 stop4h 10m
Southwest
Deal found 10/3C$ 201
Tue 21/44:55 p.m.
LAX
-
SEA
1 stop4h 05m
Southwest
Tue 28/46:30 a.m.
SEA
-
LAX
1 stop7h 05m
Southwest
Deal found 11/3C$ 202
Thu 16/44:48 p.m.
LAX
-
SEA
Nonstop2h 57m
United Airlines
Sun 19/48:45 a.m.
SEA
-
LAX
Nonstop3h 03m
United Airlines
Deal found 6/3C$ 204

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 11 March 2026.

Round-trip from

C$ 121

One-way from

C$ 61

Popular in

June

Cheapest in

March

Average price

C$ 244

Good one-way deal

C$ 70 or less
Frontier
  • Frontier
  • 8/4-15/4
  • Nonstop
  • 5h 53m total
  • Los Angeles to Seattle
Search Deals
Frontier
  • Frontier
  • 3/5
  • Nonstop
  • 2h 57m total
  • Los Angeles to Seattle
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Los Angeles Los Angeles to Seattle/Tacoma Intl.
Search Deals

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 11 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 round-trip

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Fri 1/5

7:50 p.m.-12:55 a.m.

1 stop5h 05m

Seattle/Tacoma Intl

Tue 5/5

8:25 a.m.-1:40 p.m.

1 stop5h 15m

C$ 206

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Wed 22/4

4:50 p.m.-10:55 p.m.

1 stop6h 05m

Seattle/Tacoma Intl

Wed 29/4

9:20 a.m.-4:15 p.m.

1 stop6h 55m

C$ 213

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Tue 28/4

3:35 p.m.-10:55 p.m.

2 stops7h 20m

Seattle/Tacoma Intl

Thu 30/4

7:20 a.m.-2:50 p.m.

1 stop7h 30m

C$ 220

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sat 25/4

11:05 a.m.-10:10 p.m.

2 stops11h 05m

Seattle/Tacoma Intl

Fri 1/5

9:40 a.m.-4:00 p.m.

1 stop6h 20m

C$ 220

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Wed 1/4

4:25 p.m.-12:20 a.m.

1 stop7h 55m

Seattle/Tacoma Intl

Tue 14/4

11:40 a.m.-7:45 p.m.

2 stops8h 05m

C$ 220

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Mon 27/4

5:00 p.m.-10:35 p.m.

1 stop5h 35m

Seattle/Tacoma Intl

Tue 28/4

11:35 a.m.-5:00 p.m.

1 stop5h 25m

C$ 227

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Tue 31/3

5:27 p.m.-11:27 p.m.

1 stop6h 00m

Seattle/Tacoma Intl

Wed 1/4

8:42 a.m.-1:39 p.m.

1 stop4h 57m

C$ 267

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Wed 8/4

8:42 a.m.-1:32 p.m.

1 stop4h 50m

Seattle/Tacoma Intl

Wed 15/4

4:00 p.m.-9:31 p.m.

1 stop5h 31m

C$ 281

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sun 5/4

7:00 a.m.-2:38 p.m.

1 stop7h 38m

Seattle/Tacoma Intl

Sun 12/4

10:50 p.m.-7:55 p.m.

1 stop21h 05m

C$ 327

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Wed 8/4

3:35 p.m.-10:55 p.m.

2 stops7h 20m

Seattle/Tacoma Intl

Wed 15/4

1:25 p.m.-8:45 p.m.

1 stop7h 20m

C$ 358

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 23 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 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 6 March 2026.

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, March is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of C$ 76). Flying from Los Angeles to Seattle in July is currently the most expensive (average of C$ 182). 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 11 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 evening could potentially save you up to 75% 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 21 February 2026.

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.

How much does it cost to fly round-trip 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?

    Within the past month, 26 users have taken a look at flights from Los Angeles Los Angeles to Seattle/Tacoma Intl.

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

    For as low as C$ 186, Delta can have you in Seattle from Los Angeles in 2h 56m. 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$ 27 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Hawaiian Airlines, with prices starting from C$ 92 and C$ 123, 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 Air China (100%), WestJet (98%) and Aer Lingus (96%).

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

    The cheapest flight price from Los Angeles to Seattle is C$ 60. On average you can expect to pay C$ 162. The most popular route, (Los Angeles Los Angeles - Seattle/Tacoma Intl), can usually be booked for C$ 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 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, March is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of C$ 76). Flying from Los Angeles to Seattle in July is currently the most expensive (average of C$ 182). 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
SeaTac
Leavenworth
Mukilteo
Tacoma
Kent
Bothell
Cashmere
Tukwila
Olympia
Renton
Marysville
Lynnwood
Kirkland

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

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Yes, we can. To see specific flights from Los Angeles to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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