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

Frontier and Southwest are the most popular carriers operating from Los Angeles to Seattle/Tacoma Intl

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

The number of flights available between Los Angeles and Seattle is 83 per day as of January 2026. The most frequent departure time is 08:00, with 51% of daily flights leaving at midday.

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

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

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 week?

As of January 2026, 584 flights take off from Los Angeles and land in Seattle each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£39 Cheap Flights from Los Angeles to Seattle in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

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? Stopover? Instantly customise 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 return flights

Enter your travel dates to find the best prices.

20:25 - 23:25

LAX

SEA

3h 00mdirect

17:50 - 20:33

SEA

LAX

2h 43mdirect

£100Delta

Wed, 18 Feb - Sat, 28 Feb

08:46 - 11:48

LAX

SEA

3h 02mdirect

07:15 - 10:07

SEA

LAX

2h 52mdirect

£107Alaska Airlines

Wed, 25 Feb - Sun, 1 Mar

14:30 - 18:35

LAX

SEA

4h 05m

1 stop

12:45 - 16:55

SEA

LAX

4h 10m

1 stop

£108Southwest

Wed, 25 Feb - Wed, 4 Mar

17:35 - 20:30

LAX

SEA

2h 55mdirect

09:40 - 12:22

SEA

LAX

2h 42mdirect

£108Delta

Sat, 7 Mar - Sun, 8 Mar

15:55 - 18:49

LAX

SEA

2h 54mdirect

07:10 - 10:01

SEA

LAX

2h 51mdirect

£109Delta

Sat, 7 Mar - Sun, 8 Mar

17:35 - 21:50

LAX

SEA

4h 15m

1 stop

11:20 - 15:15

SEA

LAX

3h 55m

1 stop

£111Southwest

Tue, 24 Feb - Tue, 3 Mar

14:14 - 17:09

LAX

SEA

2h 55mdirect

18:24 - 21:12

SEA

LAX

2h 48mdirect

£113Frontier

Fri, 13 Mar - Fri, 20 Mar

20:25 - 23:25

LAX

SEA

3h 00mdirect

11:17 - 13:55

SEA

LAX

2h 38mdirect

£114Delta

Fri, 27 Feb - Mon, 2 Mar

14:30 - 18:35

LAX

SEA

4h 05m

1 stop

06:50 - 15:50

SEA

LAX

9h 00m

2 stops

£115Southwest

Tue, 24 Feb - Sat, 28 Feb

15:10 - 22:35

LAX

SEA

7h 25m

1 stop

11:20 - 18:35

SEA

LAX

7h 15m

2 stops

£118Southwest

Tue, 24 Feb - Tue, 3 Mar

Southwest flights from Los Angeles to Seattle

Our best Southwest deals on Los Angeles to Seattle flight tickets

Southwest

3 Mar

LAX14:30Los Angeles

4h 05m

1 stop

SEA18:35Seattle/Tacoma Intl

4 Mar

SEA12:45Seattle/Tacoma Intl

4h 10m

1 stop

LAX16:55Los Angeles

£108

Southwest

24 Feb

LAX17:35Los Angeles

4h 15m

1 stop

SEA21:50Seattle/Tacoma Intl

3 Mar

SEA11:20Seattle/Tacoma Intl

3h 55m

1 stop

LAX15:15Los Angeles

£111

Southwest

24 Feb

LAX15:10Los Angeles

7h 25m

1 stop

SEA22:35Seattle/Tacoma Intl

3 Mar

SEA11:20Seattle/Tacoma Intl

7h 15m

2 stops

LAX18:35Los Angeles

£118

United Airlines flights from Los Angeles to Seattle

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

United Airlines

22 Apr

LAX12:55Los Angeles

8h 11m

1 stop

SEA21:06Seattle/Tacoma Intl

25 Apr

SEA08:45Seattle/Tacoma Intl

3h 03m

LAX11:48Los Angeles

£155

United Airlines

24 Feb

LAX18:35Los Angeles

4h 55m

1 stop

SEA23:30Seattle/Tacoma Intl

28 Feb

SEA08:30Seattle/Tacoma Intl

3h 08m

LAX11:38Los Angeles

£156

United Airlines

19 May

LAX15:40Los Angeles

5h 26m

1 stop

SEA21:06Seattle/Tacoma Intl

26 May

SEA15:31Seattle/Tacoma Intl

4h 58m

1 stop

LAX20:29Los Angeles

£165

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 18/2

20:25-23:25

Nonstop3h 00m

Seattle/Tacoma Intl

Sat 28/2

17:50-20:33

Nonstop2h 43m

£100

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 25/2

08:46-11:48

Nonstop3h 02m

Seattle/Tacoma Intl

Sun 1/3

07:15-10:07

Nonstop2h 52m

£107

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 25/2

14:30-18:35

1 stop4h 05m

Seattle/Tacoma Intl

Wed 4/3

12:45-16:55

1 stop4h 10m

£108

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 7/3

17:35-20:30

Nonstop2h 55m

Seattle/Tacoma Intl

Sun 8/3

09:40-12:22

Nonstop2h 42m

£108

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 7/3

15:55-18:49

Nonstop2h 54m

Seattle/Tacoma Intl

Sun 8/3

07:10-10:01

Nonstop2h 51m

£109

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 24/2

17:35-21:50

1 stop4h 15m

Seattle/Tacoma Intl

Tue 3/3

11:20-15:15

1 stop3h 55m

£111

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 13/3

14:14-17:09

Nonstop2h 55m

Seattle/Tacoma Intl

Fri 20/3

18:24-21:12

Nonstop2h 48m

£113

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 27/2

20:25-23:25

Nonstop3h 00m

Seattle/Tacoma Intl

Mon 2/3

11:17-13:55

Nonstop2h 38m

£114

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 24/2

14:30-18:35

1 stop4h 05m

Seattle/Tacoma Intl

Sat 28/2

06:50-15:50

2 stops9h 00m

£115

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 24/2

15:10-22:35

1 stop7h 25m

Seattle/Tacoma Intl

Tue 3/3

11:20-18:35

2 stops7h 15m

£118

Flights are sorted by cheapest return 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?

The cheapest month to fly to Seattle from Los Angeles is in February. Flight prices, which tend to average around £128, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Seattle, with average flight prices from Los Angeles averaging around £129.

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

According to our data, Friday is the cheapest day to fly to Seattle from Los Angeles. The lowest ticket price found for a Friday departure recently was £172. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Saturday is £818.

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

According to our data, the cheapest time of day to fly to Seattle is in the afternoon. momondo users have found flights departing from Los Angeles to Seattle in the afternoon for as low as £172. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive, with an average ticket price of £351.

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 £163 when searching weeks before you fly. 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 £136 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.

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

As of January 2026, prices for Los Angeles to Seattle flights are approximately 20% 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 return 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

Best price found	£261
Fastest flight time	2h 55m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Los Angeles in the past 72 hours is £261. The best return flight deal from Los Angeles to Seattle found on momondo in the last 72 hours is £1,023.

The fastest flight from Los Angeles to Seattle takes 2h 55m

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?
A flight from Los Angeles to Seattle/Tacoma Intl will travel around 959.2 mi. Flights usually cover this in 2h 55m, depending on flying conditions and air traffic around both airports.
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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Los Angeles to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Los Angeles to Seattle is Boeing 737-800 Passenger/BBJ2 (winglets) (18.01% of total bookings). The next most popular plane models are Airbus A320neo (11.99%), Airbus A321neo (7.22%), and Boeing 737-900 (6.82%).

Fife

SeaTac

Tukwila

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Los Angeles.

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

All flight searches from Los Angeles to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Los Angeles to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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, organise 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

Thu 26/2

Thu 5/3

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

Spokane Airport

Pasco Tri Cities Airport

Yakima Air Terminal Airport

Popular Cities in the United States

Flights to New Yorkfrom £261

Flights to Orlandofrom £247

Flights to Los Angelesfrom £316

Flights to Miamifrom £259

Flights to San Franciscofrom £284

Flights to Bostonfrom £293

Flights to Chicagofrom £290

Flights to Las Vegasfrom £333

Flights to Washington, D.C.from £266

Flights to Atlantafrom £347

Flights to Dallasfrom £356

Flights to Houstonfrom £369

Cheap flights from Los Angeles to Seattle from £47

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 2/3. 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 return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Southwest flights from Los Angeles to Seattle

Our best Southwest deals on Los Angeles to Seattle flight tickets

United Airlines flights from Los Angeles to Seattle

Our best United Airlines 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?

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?

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.

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

As of January 2026, prices for Los Angeles to Seattle flights are approximately 20% 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?

Frontier and Southwest are the most popular carriers 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 144 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, United Airlines have had the fewest delays on this route over the last 12 months, with about 7% 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 83 per day as of January 2026. The most frequent departure time is 08:00, with 51% of daily flights leaving at midday.

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

As of January 2026, 584 flights take off from Los Angeles and land in Seattle each week. The most common flight departure day for this route is Mon, with 17% of weekly 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

Best price found

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, organise 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