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Cheap flights from Los Angeles to Seattle from C$ 122

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Los Angeles to Seattle/Tacoma Intl are usually found in January or February, booked 58 days in advance, depart on a Friday or Thursday and return on a Friday

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 11 September 2025.

Round-trip from

C$ 205

One-way from

C$ 122

Popular in

July

Cheapest in

January

Average price

C$ 274

Good round-trip deal

C$ 200 or less

Good one-way deal

C$ 151 or less
Southwest
  • Southwest
  • 8/10-11/10
  • 2 total stops
  • 15h 50m total
  • Los Angeles to Seattle
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Frontier
  • Frontier
  • 27/10
  • 1 total stop
  • 14h 56m total
  • Los Angeles to Seattle
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Highest demand for flights based on searches. 17% potential increase in price (C$ 87 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 10 potential savings vs. average RT price).
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Average for round-trip flights in September 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

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 September 2025.

Wed 8/106:20 p.m.LAX - SEA
1 stop4h 25mSouthwest
Sat 11/107:05 a.m.SEA - LAX
1 stop11h 25mSouthwest
Deal found 11/9C$ 205
Sat 4/105:10 p.m.LAX - SEA
1 stop5h 35mSouthwest
Sat 11/106:15 a.m.SEA - LAX
1 stop4h 10mSouthwest
Deal found 11/9C$ 208
Sat 13/121:55 p.m.LAX - SEA
1 stop6h 05mSouthwest
Tue 16/128:10 a.m.SEA - LAX
1 stop4h 10mSouthwest
Deal found 9/9C$ 209
Mon 8/127:25 a.m.LAX - SEA
1 stop4h 10mSouthwest
Wed 10/128:10 a.m.SEA - LAX
1 stop4h 10mSouthwest
Deal found 11/9C$ 215
Wed 12/1110:50 a.m.LAX - SEA
2 stops8h 55mSouthwest
Sat 15/118:30 a.m.SEA - LAX
1 stop5h 30mSouthwest
Deal found 10/9C$ 218
Tue 21/106:20 p.m.LAX - SEA
1 stop4h 25mSouthwest
Tue 28/1012:50 p.m.SEA - LAX
2 stops5h 55mSouthwest
Deal found 10/9C$ 220
Thu 27/1112:50 p.m.LAX - SEA
1 stop4h 10mSouthwest
Tue 16/128:10 a.m.SEA - LAX
1 stop4h 10mSouthwest
Deal found 10/9C$ 222
Wed 10/127:25 a.m.LAX - SEA
1 stop4h 10mSouthwest
Fri 12/126:45 p.m.SEA - LAX
1 stop4h 25mSouthwest
Deal found 10/9C$ 224
Mon 6/106:35 p.m.LAX - SEA
1 stop4h 10mSouthwest
Wed 8/104:40 p.m.SEA - LAX
1 stop5h 05mSouthwest
Deal found 10/9C$ 227
Sat 25/101:15 p.m.LAX - SEA
1 stop7h 20mSouthwest
Tue 28/1012:50 p.m.SEA - LAX
2 stops5h 55mSouthwest
Deal found 9/9C$ 231
Sat 18/106:58 p.m.LAX - SEA
Nonstop2h 55mUnited Airlines
Tue 21/105:26 p.m.SEA - LAX
Nonstop2h 45mUnited Airlines
Deal found 10/9C$ 233

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 September 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

Sat 15/11

6:40 a.m.-11:20 a.m.

1 stop4h 40m

Seattle/Tacoma Intl

Tue 18/11

9:35 a.m.-6:20 p.m.

2 stops8h 45m

C$ 218

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 25/10

1:15 p.m.-8:35 p.m.

1 stop7h 20m

Seattle/Tacoma Intl

Tue 28/10

12:50 p.m.-6:45 p.m.

2 stops5h 55m

C$ 231

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 25/10

6:58 p.m.-9:53 p.m.

Nonstop2h 55m

Seattle/Tacoma Intl

Wed 29/10

9:04 a.m.-12:03 p.m.

Nonstop2h 59m

C$ 233

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 18/10

6:58 p.m.-9:53 p.m.

Nonstop2h 55m

Seattle/Tacoma Intl

Tue 21/10

5:26 p.m.-8:11 p.m.

Nonstop2h 45m

C$ 233

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 7/10

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

1 stop4h 25m

Seattle/Tacoma Intl

Sun 12/10

7:10 a.m.-12:30 p.m.

1 stop5h 20m

C$ 243

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 4/11

11:35 a.m.-6:59 p.m.

1 stop7h 24m

Seattle/Tacoma Intl

Wed 12/11

11:32 a.m.-5:01 p.m.

1 stop5h 29m

C$ 254

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 3/10

6:35 p.m.-11:05 p.m.

1 stop4h 30m

Seattle/Tacoma Intl

Sat 11/10

7:05 a.m.-6:30 p.m.

1 stop11h 25m

C$ 262

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 28/10

6:00 a.m.-11:24 a.m.

1 stop5h 24m

Seattle/Tacoma Intl

Tue 4/11

2:59 p.m.-5:51 p.m.

Nonstop2h 52m

C$ 263

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sun 16/11

8:20 a.m.-2:30 p.m.

1 stop6h 10m

Seattle/Tacoma Intl

Wed 19/11

9:35 a.m.-6:20 p.m.

2 stops8h 45m

C$ 263

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 8/11

7:35 p.m.-10:25 p.m.

Nonstop2h 50m

Seattle/Tacoma Intl

Wed 12/11

12:20 p.m.-3:10 p.m.

Nonstop2h 50m

C$ 273

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 24 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 29 August 2025.

Booking 58 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$ 262). Flying from Los Angeles to Seattle in December is currently the most expensive (average of C$ 353). 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 September 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 7 September 2025.

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

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 11 September 2025.
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
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 73 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 51m.

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

    Within the past month, 38 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$ 233, Southwest can have you in Seattle from Los Angeles in 2h 55m. 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$ 244), offers the cheapest pricing from Los Angeles to Seattle. This flight start at 16% 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$ 127 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Hawaiian Airlines and United Airlines, with prices starting from C$ 129 and C$ 137, 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 (96%), EL AL (93%) and Finnair (92%).

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

    The cheapest flight price from Los Angeles to Seattle is C$ 137. On average you can expect to pay C$ 298. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for C$ 482.

  • 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$ 262). Flying from Los Angeles to Seattle in December is currently the most expensive (average of C$ 353). 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
Tacoma
Bothell
Cashmere
Renton
Olympia
Marysville
Lynnwood

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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 244AverageC$ 328FlexibilityNo 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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