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Cheap flights from Los Angeles to Seattle from C$ 147

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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
25 Aug — 1 Sep1
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 February, booked 61 days in advance, depart on a Sunday or Friday 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 26 July 2026.

Sat 15/87:00 p.m.
LAX
-
SEA
Nonstop2h 45m
Delta
Mon 17/87:16 a.m.
SEA
-
LAX
Nonstop2h 49m
Delta
Deal found 23/7C$ 278
Tue 8/93:15 p.m.
LAX
-
SEA
1 stop4h 00m
Southwest
Sat 12/92:20 p.m.
SEA
-
LAX
1 stop4h 25m
Southwest
Deal found 25/7C$ 279
Sat 5/910:25 a.m.
LAX
-
SEA
1 stop7h 50m
Southwest
Sat 12/92:20 p.m.
SEA
-
LAX
1 stop4h 15m
Southwest
Deal found 22/7C$ 285
Wed 9/93:15 p.m.
LAX
-
SEA
1 stop4h 00m
Southwest
Tue 15/95:55 a.m.
SEA
-
LAX
2 stops8h 05m
Southwest
Deal found 26/7C$ 293
Tue 22/97:16 a.m.
LAX
-
SEA
1 stop8h 42m
Alaska Airlines
Sat 26/92:56 p.m.
SEA
-
LAX
Nonstop2h 47m
Alaska Airlines
Deal found 21/7C$ 296
Wed 26/87:03 a.m.
LAX
-
SEA
2 stops7h 50m
Alaska Airlines
Wed 26/85:10 p.m.
SEA
-
LAX
Nonstop2h 45m
Alaska Airlines
Deal found 23/7C$ 297
Sat 12/92:50 p.m.
LAX
-
SEA
2 stops8h 05m
Southwest
Wed 16/97:10 a.m.
SEA
-
LAX
1 stop5h 55m
Southwest
Deal found 22/7C$ 299
Thu 20/810:27 p.m.
LAX
-
SEA
1 stop12h 12m
Frontier
Thu 27/810:34 a.m.
SEA
-
LAX
Nonstop3h 00m
Frontier
Deal found 22/7C$ 304
Thu 20/87:10 p.m.
LAX
-
SEA
1 stop5h 30m
Southwest
Mon 24/85:00 a.m.
SEA
-
LAX
1 stop5h 40m
Southwest
Deal found 24/7C$ 306
Tue 25/81:25 p.m.
LAX
-
SEA
2 stops6h 50m
Southwest
Sat 29/82:20 p.m.
SEA
-
LAX
1 stop4h 15m
Southwest
Deal found 26/7C$ 307
Thu 13/87:00 a.m.
LAX
-
SEA
Nonstop2h 49m
Alaska Airlines
Tue 18/87:03 a.m.
SEA
-
LAX
1 stop15h 16m
Alaska Airlines
Deal found 23/7C$ 310

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 26 July 2026.

Round-trip from

C$ 278

One-way from

C$ 147

Popular in

June

Cheapest in

March

Average price

C$ 433

Good round-trip deal

C$ 217 or less

Good one-way deal

C$ 251 or less
Delta
  • Delta
  • 15/8-17/8
  • Nonstop
  • 5h 34m total
  • Los Angeles to Seattle
Search Deals
Southwest
  • Southwest
  • 5/9
  • 1 total stop
  • 7h 50m total
  • Los Angeles to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Los Angeles Los Angeles to Seattle/Tacoma Intl.
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 26 July 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

Tue 15/9

3:15 p.m.-7:15 p.m.

1 stop4h 00m

Seattle/Tacoma Intl

Wed 23/9

12:40 p.m.-5:30 p.m.

1 stop4h 50m

C$ 285
Quickest round-trip

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Fri 21/8

9:00 p.m.-11:44 p.m.

Nonstop2h 44m

Seattle/Tacoma Intl

Fri 28/8

7:55 p.m.-10:45 p.m.

Nonstop2h 50m

C$ 292

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sat 5/9

7:00 p.m.-9:45 p.m.

Nonstop2h 45m

Seattle/Tacoma Intl

Sun 6/9

8:00 p.m.-10:50 p.m.

Nonstop2h 50m

C$ 321

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sun 6/9

4:55 p.m.-9:10 p.m.

1 stop4h 15m

Seattle/Tacoma Intl

Tue 15/9

5:55 a.m.-11:40 a.m.

1 stop5h 45m

C$ 327

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Thu 10/9

7:00 p.m.-9:51 p.m.

Nonstop2h 51m

Seattle/Tacoma Intl

Mon 14/9

6:52 p.m.-9:41 p.m.

Nonstop2h 49m

C$ 334

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Wed 9/9

6:15 p.m.-10:39 p.m.

1 stop4h 24m

Seattle/Tacoma Intl

Tue 15/9

12:57 p.m.-8:05 p.m.

1 stop7h 08m

C$ 334

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sat 26/9

7:03 a.m.-11:58 a.m.

1 stop4h 55m

Seattle/Tacoma Intl

Sun 4/10

8:37 a.m.-1:24 p.m.

1 stop4h 47m

C$ 348

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Fri 11/12

7:05 p.m.-9:56 p.m.

Nonstop2h 51m

Seattle/Tacoma Intl

Tue 15/12

5:30 p.m.-12:25 a.m.

1 stop6h 55m

C$ 362

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sat 5/9

2:56 p.m.-8:32 p.m.

1 stop5h 36m

Seattle/Tacoma Intl

Tue 8/9

3:41 p.m.-8:05 p.m.

1 stop4h 24m

C$ 369

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sat 12/9

5:05 p.m.-10:55 p.m.

1 stop5h 50m

Seattle/Tacoma Intl

Sun 13/9

7:10 a.m.-11:25 a.m.

1 stop4h 15m

C$ 369

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/7

Showing 1-10 of 22 resultsSorted by cheapest first
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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 69 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$ 290). Flying from Los Angeles to Seattle in June is currently the most expensive (average of C$ 458). 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 26 July 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 afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 59% 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?

Airfare is below average for this route at the moment.

Los Angeles to Seattle flights typically cost between C$ 314 and C$ 523 in August.
The cheapest round-trip price found within the last 5 days was C$ 278 on Delta (15 Aug-17 Aug).

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 26 July 2026.
Get a feel of what it's like to fly with Frontier 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.
Frontier
5.6
Fair
2,769 reviews
Check prices

Food

4.5

Crew

6.6

Entertainment

4.3

Boarding

5.9

Comfort

5.4

Overall

5.6

Reviews

1 / 20
4.0
Okay

Chase,Nov 2025

SLC - SEA

Worst part was not frontiers fault but being stuck on the tarmac for an hour at our arrival destination because of another planes issue and the lack of clear communication (said from the pilot himself)
Frontier
5.6
Fair
2,769 reviews
Frontier
5.6
Fair
2,769 reviews
Check prices

Food

4.5

Crew

6.6

Entertainment

4.3

Boarding

5.9

Comfort

5.4

Overall

5.6

Reviews

1 / 20
4.0
Okay

Chase,Nov 2025

SLC - SEA

Worst part was not frontiers fault but being stuck on the tarmac for an hour at our arrival destination because of another planes issue and the lack of clear communication (said from the pilot himself)

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 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 85 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 47m.

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

    Within the past month, 20 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$ 292, Southwest can have you in Seattle from Los Angeles in 2h 44m. 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, Frontier (C$ 166), offers the cheapest pricing from Los Angeles to Seattle. This flight start at 53% lower than the current average price 3 months from now.

  • 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%), KLM (92%) and Copa Airlines (88%).

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

    The cheapest flight price from Los Angeles to Seattle is C$ 172. On average you can expect to pay C$ 499. The most popular route, (Los Angeles Los Angeles - Seattle/Tacoma Intl), can usually be booked for C$ 347.

  • 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$ 290). Flying from Los Angeles to Seattle in June is currently the most expensive (average of C$ 458). 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
Lynnwood
Ellensburg
Tukwila
Olympia
Marysville
Federal Way
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 26 July 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 166AverageC$ 689FlexibilityNo cancel feeOn-time62%
Search Frontier 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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