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Cheap flights from Los Angeles to Seattle from C$ 154

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
20 Jul — 27 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Los Angeles to Seattle/Tacoma Intl are usually found in March or February, booked 61 days in advance, depart on a Sunday or Tuesday and return on a Saturday

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 20 June 2026.

Sat 22/812:40 p.m.
LAX
-
SEA
Nonstop2h 49m
United Airlines
Sat 29/84:35 p.m.
SEA
-
LAX
Nonstop2h 49m
United Airlines
Deal found 16/6C$ 307
Tue 27/1010:34 a.m.
LAX
-
SEA
1 stop7h 21m
Alaska Airlines
Tue 27/107:05 p.m.
SEA
-
LAX
Nonstop2h 49m
Alaska Airlines
Deal found 16/6C$ 313
Wed 26/86:00 a.m.
LAX
-
SEA
1 stop5h 25m
United Airlines
Wed 9/912:15 p.m.
SEA
-
LAX
Nonstop3h 06m
United Airlines
Deal found 20/6C$ 316
Sat 22/85:00 p.m.
LAX
-
SEA
1 stop4h 40m
Alaska Airlines
Wed 26/87:08 a.m.
SEA
-
LAX
1 stop6h 30m
Alaska Airlines
Deal found 18/6C$ 324
Tue 8/98:26 a.m.
LAX
-
SEA
1 stop4h 24m
Alaska Airlines
Tue 8/93:51 p.m.
SEA
-
LAX
1 stop6h 57m
Alaska Airlines
Deal found 17/6C$ 327
Wed 26/86:00 a.m.
LAX
-
SEA
1 stop5h 26m
United Airlines
Sat 29/83:30 p.m.
SEA
-
LAX
1 stop4h 57m
United Airlines
Deal found 17/6C$ 328
Sat 22/84:20 p.m.
LAX
-
SEA
1 stop4h 10m
Southwest
Sat 29/85:00 a.m.
SEA
-
LAX
1 stop6h 30m
Southwest
Deal found 15/6C$ 335
Sun 26/73:04 p.m.
LAX
-
SEA
Nonstop2h 47m
Frontier
Mon 27/710:34 a.m.
SEA
-
LAX
Nonstop3h 00m
Frontier
Deal found 19/6C$ 340
Wed 26/81:25 p.m.
LAX
-
SEA
2 stops6h 50m
Southwest
Wed 9/93:35 p.m.
SEA
-
LAX
1 stop4h 00m
Southwest
Deal found 20/6C$ 342
Sat 18/74:45 p.m.
LAX
-
SEA
Nonstop2h 53m
United Airlines
Mon 20/76:00 a.m.
SEA
-
LAX
Nonstop2h 44m
United Airlines
Deal found 19/6C$ 348
Sun 12/77:06 p.m.
LAX
-
SEA
Nonstop2h 53m
United Airlines
Sun 26/76:00 a.m.
SEA
-
LAX
Nonstop2h 44m
United Airlines
Deal found 16/6C$ 350

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 20 June 2026.

Round-trip from

C$ 307

One-way from

C$ 154

Popular in

June

Cheapest in

March

Average price

C$ 439

Good round-trip deal

C$ 167 or less

Good one-way deal

C$ 144 or less
United Airlines
  • United Airlines
  • 22/8-29/8
  • Nonstop
  • 5h 38m total
  • Los Angeles to Seattle
Search Deals
United Airlines
  • United Airlines
  • 8/9
  • Nonstop
  • 2h 49m total
  • Los Angeles to Seattle
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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.
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 20 June 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

Sat 7/11

8:15 a.m.-11:14 a.m.

Nonstop2h 59m

Seattle/Tacoma Intl

Sat 7/11

3:27 p.m.-11:00 p.m.

1 stop7h 33m

C$ 321

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 11/7

4:45 p.m.-7:38 p.m.

Nonstop2h 53m

Seattle/Tacoma Intl

Mon 13/7

6:00 a.m.-8:44 a.m.

Nonstop2h 44m

C$ 350

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 18/9

5:40 p.m.-12:20 a.m.

1 stop6h 40m

Seattle/Tacoma Intl

Sun 20/9

6:35 a.m.-11:45 a.m.

1 stop5h 10m

C$ 364

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 19/9

11:45 a.m.-4:14 p.m.

1 stop4h 29m

Seattle/Tacoma Intl

Tue 22/9

3:30 p.m.-8:27 p.m.

1 stop4h 57m

C$ 378

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 3/9

5:37 p.m.-11:26 p.m.

1 stop5h 49m

Seattle/Tacoma Intl

Fri 11/9

5:20 p.m.-12:31 a.m.

1 stop7h 11m

C$ 378

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 6/10

5:45 a.m.-1:35 p.m.

2 stops7h 50m

Seattle/Tacoma Intl

Tue 6/10

2:45 p.m.-10:20 p.m.

1 stop7h 35m

C$ 399
Quickest round-trip

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 22/7

5:45 p.m.-8:27 p.m.

Nonstop2h 42m

Seattle/Tacoma Intl

Tue 28/7

8:25 p.m.-11:15 p.m.

Nonstop2h 50m

C$ 434

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 27/11

7:15 p.m.-10:11 p.m.

Nonstop2h 56m

Seattle/Tacoma Intl

Mon 30/11

9:25 p.m.-12:09 a.m.

Nonstop2h 44m

C$ 434

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 18/7

4:14 p.m.-9:03 p.m.

1 stop4h 49m

Seattle/Tacoma Intl

Sun 26/7

6:00 a.m.-8:44 a.m.

Nonstop2h 44m

C$ 463

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 14/7

7:40 p.m.-12:45 a.m.

1 stop5h 05m

Seattle/Tacoma Intl

Wed 15/7

7:30 a.m.-4:30 p.m.

2 stops9h 00m

C$ 464

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/6

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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?

Booking 60 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$ 292). Flying from Los Angeles to Seattle in June is currently the most expensive (average of C$ 439). 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 20 June 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 at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 42% 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?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 20 June 2026.
Get a feel of what it's like to fly with Alaska Airlines from Los Angeles to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,551 reviews
Check prices

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Alaska Airlines
7.9
Good
12,551 reviews
Alaska Airlines
7.9
Good
12,551 reviews
Check prices

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

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.

  • What airports do I use to fly from Los Angeles to Seattle?

    You will need to book a flight from Los Angeles to Seattle/Tacoma Intl if you want to fly from Los Angeles to Seattle. At least 1 airline has flights from Los Angeles (LAX) to Seattle/Tacoma Intl (SEA) on a regular basis. There are 86 flights to Seattle from the Los Angeles airport per day. If you manage to book one that is nonstop, then you can expect the flight time from LAX to SEA to be around 2h 45m.

  • How popular is this Los Angeles to Seattle flight route?

    Within the past month, 24 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$ 321, United Airlines can have you in Seattle from Los Angeles in 2h 59m. There are 1535 km between Los Angeles and Seattle. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Los Angeles to Seattle round-trip?

    According to our current data, Alaska Airlines (C$ 277), offers the cheapest pricing from Los Angeles to Seattle. This flight start at 20% lower than the current average price 3 months from now.

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

    C$ 40 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Hawaiian Airlines and United Airlines, with prices starting from C$ 128 and C$ 160, 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 Horizon Air (100%), WestJet (93%) and Japan Airlines (89%).

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

    The cheapest flight price from Los Angeles to Seattle is C$ 121. On average you can expect to pay C$ 288. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for C$ 516.

  • 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$ 292). Flying from Los Angeles to Seattle in June is currently the most expensive (average of C$ 439). 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
Kent
Leavenworth
Mukilteo
Tacoma
Renton
Cashmere
Tukwila
Olympia
Marysville
Kirkland

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Los Angeles to Seattle

Discover the top airline that operate flights from Los Angeles to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 20 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 277AverageC$ 434FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

Cheapflights helps you search for flights from Los Angeles to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Los Angeles to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Los Angeles to Seattle with no change fees?

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.

Can Cheapflights notify me if prices for flights from Los Angeles to Seattle become cheaper?

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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