What is the cheapest airline that flies from Los Angeles to Seattle/Tacoma Intl?

Southwest is the most popular carrier operating from Los Angeles to Seattle/Tacoma Intl

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

How many flights depart from Los Angeles to Seattle on average per day?

The number of flights available between Los Angeles and Seattle is 48 per day as of January 2026. The most frequent departure time is 3:00p.m., with 43% of daily flights leaving in the afternoon.

Which airline has the best punctuality record on Los Angeles to Seattle flights?

According to our data, SkyWest Airlines has had the least delays on this route over the last 12 months, with about 3% of their flights experiencing any sort of delay.

What is the most punctual flight time for Los Angeles to Seattle flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

How many flights depart from Los Angeles to Seattle on average per week?

As of January 2026, there are 340 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Sun, with 35% of flights taking off on this day.

How often are flights from Los Angeles to Seattle delayed?

Historically, on average around 11% of flights between Los Angeles and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 142 minutes.

When did momondo last update prices for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How old do you have to be to fly from Los Angeles Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Los Angeles Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 66 Cheap Flights from Los Angeles to Seattle in 2026

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Los Angeles to Seattle

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 a.m. - 10:44 a.m.

LAX

SEA

2h 59mdirect

9:14 p.m. - 11:59 p.m.

SEA

LAX

2h 45mdirect

C$ 188Alaska Airlines

Wed, 18 Feb - Sat, 21 Feb

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

LAX

SEA

3h 10mdirect

12:24 p.m. - 3:23 p.m.

SEA

LAX

2h 59mdirect

C$ 191United Airlines

Sat, 17 Jan - Tue, 20 Jan

12:55 p.m. - 9:06 p.m.

LAX

SEA

8h 11m1 stop

8:45 a.m. - 11:48 a.m.

SEA

LAX

3h 03mdirect

C$ 196United Airlines

Wed, 22 Apr - Sat, 25 Apr

4:15 p.m. - 9:12 p.m.

LAX

SEA

4h 57m1 stop

12:24 p.m. - 3:23 p.m.

SEA

LAX

2h 59mdirect

C$ 199United Airlines

Sat, 17 Jan - Tue, 20 Jan

9:20 p.m. - 12:22 a.m.

LAX

SEA

3h 02mdirect

2:30 p.m. - 5:20 p.m.

SEA

LAX

2h 50mdirect

C$ 202Delta

Sat, 9 May - Mon, 18 May

8:25 a.m. - 12:40 p.m.

LAX

SEA

4h 15m1 stop

1:45 p.m. - 5:55 p.m.

SEA

LAX

4h 10m1 stop

C$ 210Southwest

Sat, 24 Jan - Sat, 24 Jan

9:55 a.m. - 12:57 p.m.

LAX

SEA

3h 02mdirect

7:59 p.m. - 10:46 p.m.

SEA

LAX

2h 47mdirect

C$ 216Delta

Thu, 29 Jan - Sun, 1 Feb

8:22 p.m. - 11:22 p.m.

LAX

SEA

3h 00mdirect

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

SEA

LAX

2h 36mdirect

C$ 217Delta

Thu, 29 Jan - Sun, 1 Feb

3:40 p.m. - 9:10 p.m.

LAX

SEA

5h 30m1 stop

5:15 a.m. - 11:05 a.m.

SEA

LAX

5h 50m1 stop

C$ 218Southwest

Sat, 17 Jan - Sun, 18 Jan

4:10 p.m. - 9:01 p.m.

LAX

SEA

4h 51m1 stop

8:45 a.m. - 11:53 a.m.

SEA

LAX

3h 08mdirect

C$ 220United Airlines

Sat, 28 Feb - Sat, 7 Mar

United Airlines flights from Los Angeles to Seattle

Our best United Airlines deals on Los Angeles to Seattle flight tickets

United Airlines

17 Jan

LAX8:37 p.m.Los Angeles

3h 10m

SEA11:47 p.m.Seattle/Tacoma Intl

20 Jan

SEA12:24 p.m.Seattle/Tacoma Intl

2h 59m

LAX3:23 p.m.Los Angeles

C$ 191

Find similar

United Airlines

22 Apr

LAX12:55 p.m.Los Angeles

8h 11m

1 stop

SEA9:06 p.m.Seattle/Tacoma Intl

25 Apr

SEA8:45 a.m.Seattle/Tacoma Intl

3h 03m

LAX11:48 a.m.Los Angeles

C$ 196

Find similar

United Airlines

17 Jan

LAX4:15 p.m.Los Angeles

4h 57m

1 stop

SEA9:12 p.m.Seattle/Tacoma Intl

20 Jan

SEA12:24 p.m.Seattle/Tacoma Intl

2h 59m

LAX3:23 p.m.Los Angeles

C$ 199

Find similar

Southwest flights from Los Angeles to Seattle

Our best Southwest deals on Los Angeles to Seattle flight tickets

Southwest

24 Jan

LAX8:25 a.m.Los Angeles

4h 15m

1 stop

SEA12:40 p.m.Seattle/Tacoma Intl

24 Jan

SEA1:45 p.m.Seattle/Tacoma Intl

4h 10m

1 stop

LAX5:55 p.m.Los Angeles

C$ 210

Find similar

Southwest

29 Jan

LAX2:45 p.m.Los Angeles

7h 45m

1 stop

SEA10:30 p.m.Seattle/Tacoma Intl

3 Feb

SEA11:20 a.m.Seattle/Tacoma Intl

3h 55m

1 stop

LAX3:15 p.m.Los Angeles

C$ 217

Find similar

Southwest

17 Jan

LAX3:40 p.m.Los Angeles

5h 30m

1 stop

SEA9:10 p.m.Seattle/Tacoma Intl

18 Jan

SEA5:15 a.m.Seattle/Tacoma Intl

5h 50m

1 stop

LAX11:05 a.m.Los Angeles

C$ 218

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 18/2

7:45 a.m.-10:44 a.m.

Nonstop2h 59m

Seattle/Tacoma Intl

Sat 21/2

9:14 p.m.-11:59 p.m.

Nonstop2h 45m

C$ 188

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 17/1

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

Nonstop3h 10m

Seattle/Tacoma Intl

Tue 20/1

12:24 p.m.-3:23 p.m.

Nonstop2h 59m

C$ 191

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 22/4

12:55 p.m.-9:06 p.m.

1 stop8h 11m

Seattle/Tacoma Intl

Sat 25/4

8:45 a.m.-11:48 a.m.

Nonstop3h 03m

C$ 196

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 17/1

4:15 p.m.-9:12 p.m.

1 stop4h 57m

Seattle/Tacoma Intl

Tue 20/1

12:24 p.m.-3:23 p.m.

Nonstop2h 59m

C$ 199

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 9/5

9:20 p.m.-12:22 a.m.

Nonstop3h 02m

Seattle/Tacoma Intl

Mon 18/5

2:30 p.m.-5:20 p.m.

Nonstop2h 50m

C$ 202

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 24/1

8:25 a.m.-12:40 p.m.

1 stop4h 15m

Seattle/Tacoma Intl

Sat 24/1

1:45 p.m.-5:55 p.m.

1 stop4h 10m

C$ 210

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 29/1

9:55 a.m.-12:57 p.m.

Nonstop3h 02m

Seattle/Tacoma Intl

Sun 1/2

7:59 p.m.-10:46 p.m.

Nonstop2h 47m

C$ 216

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 29/1

8:22 p.m.-11:22 p.m.

Nonstop3h 00m

Seattle/Tacoma Intl

Sun 1/2

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

Nonstop2h 36m

C$ 217

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 17/1

3:40 p.m.-9:10 p.m.

1 stop5h 30m

Seattle/Tacoma Intl

Sun 18/1

5:15 a.m.-11:05 a.m.

1 stop5h 50m

C$ 218

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 28/2

4:10 p.m.-9:01 p.m.

1 stop4h 51m

Seattle/Tacoma Intl

Sat 7/3

8:45 a.m.-11:53 a.m.

Nonstop3h 08m

C$ 220

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Los Angeles to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 250.

What is the cheapest day to depart on your flight to Seattle?

Our data shows that Sunday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 198. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 799. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

What is the cheapest time of day to depart on your flight to Seattle?

Our most recent data shows that the best time of day to fly to Seattle is in the afternoon. Flights from Los Angeles to Seattle during this time can be as low as C$ 198. Flights in the morning are often more expensive with an average ticket price of C$ 462.

What is the cheapest Los Angeles to Seattle/Tacoma Intl flight route?

Fly from Los Angeles to Seattle/Tacoma Intl for the best Los Angeles - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 305 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Los Angeles for as low as C$ 262 on momondo.

What cabin class options are available on Los Angeles to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Los Angeles to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Los Angeles to Seattle flights?

No. A direct flight is the cheapest option for a flight between Los Angeles to Seattle.

How have Los Angeles to Seattle flight prices changed over time?

As of January 2026, prices for Los Angeles to Seattle flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Los Angeles to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Los Angeles to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Los Angeles to Seattle (LAX to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Los Angeles to Seattle

Fastest flight time	3h 02m
Direct flights	Every day
Airports in Seattle	1 airport

The fastest flight from Los Angeles to Seattle takes 3h 02m

Direct flights go from Los Angeles to Seattle every day.

There is 1 airport in Seattle. From Los Angeles there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

How far is Los Angeles to Seattle/Tacoma Intl by plane?
The distance between Los Angeles and Seattle/Tacoma Intl is about 1543.7 km. In terms of flight time, this usually takes a little over 3h 02m.
When did momondo last update prices for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from Los Angeles Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Los Angeles Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Los Angeles to Seattle?
momondo data reveals that the most frequently booked plane model on the route from Los Angeles to Seattle is Boeing 737-800 Passenger/BBJ2 (winglets), representing 16.99% of all bookings. The subsequent popular models are Airbus A320neo at 13.19%, Boeing 737-900 at 8.63%, and Airbus A321neo at 7.54%.

Lynnwood

Leavenworth

Tacoma

Marysville

SeaTac

Redmond

Kirkland

Tukwila

Olympia

Ocean Shores

Bainbridge Island

Ellensburg

Gig Harbor

Renton

Mukilteo

Cle Elum

Centralia

Puyallup

Kent

Federal Way

Why use momondo?

Why should I use momondo to find a flight deal from Los Angeles to Seattle?

It is quick and easy to find Los Angeles to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

Can I find flights from Los Angeles to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Los Angeles with this policy.

How can momondo help me find flights from Los Angeles to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Los Angeles. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Los Angeles to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Los Angeles to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 3/2

Tue 10/2

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Washington

Bellingham Airport

Wenatchee Pangborn Field Airport

Spokane Airport

Pasco Tri Cities Airport

Pullman Moscow Regional Airport

Popular Cities in the United States

Flights to Fort Lauderdalefrom C$ 148

Flights to Orlandofrom C$ 159

Flights to New Yorkfrom C$ 206

Flights to Las Vegasfrom C$ 125

Flights to Los Angelesfrom C$ 148

Flights to Miamifrom C$ 287

Flights to San Franciscofrom C$ 126

Flights to Honolulufrom C$ 313

Flights to Phoenixfrom C$ 154

Flights to Tampafrom C$ 184

Flights to Chicagofrom C$ 191

Flights to Houstonfrom C$ 260

Cheap flights from Los Angeles to Seattle from C$ 85

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Seattle departing on 18/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Los Angeles to Seattle

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

United Airlines flights from Los Angeles to Seattle

Our best United Airlines deals on Los Angeles to Seattle flight tickets

Southwest flights from Los Angeles to Seattle

Our best Southwest deals on Los Angeles to Seattle flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Los Angeles to Seattle that are best for you.

See travel insights to Seattle from

How to get the cheapest flight ticket from Los Angeles to Seattle

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 250.

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest time of day to depart on your flight to Seattle?

Our most recent data shows that the best time of day to fly to Seattle is in the afternoon. Flights from Los Angeles to Seattle during this time can be as low as C$ 198. Flights in the morning are often more expensive with an average ticket price of C$ 462.

What is the cheapest Los Angeles to Seattle/Tacoma Intl flight route?

Fly from Los Angeles to Seattle/Tacoma Intl for the best Los Angeles - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

What cabin class options are available on Los Angeles to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Los Angeles to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Los Angeles to Seattle flights?

No. A direct flight is the cheapest option for a flight between Los Angeles to Seattle.

How have Los Angeles to Seattle flight prices changed over time?

As of January 2026, prices for Los Angeles to Seattle flights are approximately 27% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Los Angeles to Seattle/Tacoma Intl?

Southwest is the most popular carrier operating from Los Angeles to Seattle/Tacoma Intl

How often are flights from Los Angeles to Seattle delayed?

Historically, on average around 11% of flights between Los Angeles and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 142 minutes.

What is the most punctual flight time for Los Angeles to Seattle flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Los Angeles to Seattle flights?

According to our data, SkyWest Airlines has had the least delays on this route over the last 12 months, with about 3% of their flights experiencing any sort of delay.

How many flights depart from Los Angeles to Seattle on average per day?

The number of flights available between Los Angeles and Seattle is 48 per day as of January 2026. The most frequent departure time is 3:00p.m., with 43% of daily flights leaving in the afternoon.

How many flights depart from Los Angeles to Seattle on average per week?

As of January 2026, there are 340 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Sun, with 35% of flights taking off on this day.

When to book flights from Los Angeles to Seattle

Cheap Los Angeles to Seattle (LAX to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Los Angeles to Seattle

Fastest flight time

Direct flights

Airports in Seattle

How far is Los Angeles to Seattle/Tacoma Intl by plane?

When did momondo last update prices for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from Los Angeles Airport to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular plane model from Los Angeles to Seattle?

Travelling to a place near Seattle?

Why use momondo?

Why should I use momondo to find a flight deal from Los Angeles to Seattle?

Can I find flights from Los Angeles to Seattle with flexible booking policies on momondo?

How can momondo help me find flights from Los Angeles to Seattle?

I’m not ready to book a flight from Los Angeles to Seattle right now. Can momondo alert me if prices change?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington