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.

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 day?

The number of flights available between Los Angeles and Seattle is 62 per day as of October 2025. The most frequent departure time is 19:00, with 41% of daily flights leaving at midday.

How often are flights from Los Angeles to Seattle delayed?

Historically, on average around 9% 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 140 minutes.

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

Southwest, United Airlines, and Alaska Airlines are the most popular carriers operating from Los Angeles to Seattle/Tacoma Intl

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

According to our data, Atlas Air have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

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

As of October 2025, 439 flights take off from Los Angeles and land in Seattle each week. The most common flight departure day for this route is Wed, with 24% 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 many operators does momondo search for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport?

There is 1 operator available for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport as of October 2025.

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.

£41 Cheap Flights from Los Angeles to Seattle in 2025/26

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11:20 - 15:40LAX-SEA

4h 20m1 stop

06:35 - 13:40SEA-LAX

7h 05m1 stop

£116Southwest

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Tue, 24 Feb - Sat, 28 Feb

17:54 - 20:50LAX-SEA

2h 56mdirect

17:59 - 20:43SEA-LAX

2h 44mdirect

£119Delta

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Wed, 17 Dec - Wed, 31 Dec

20:06 - 23:16LAX-SEA

3h 10mdirect

09:00 - 11:59SEA-LAX

2h 59mdirect

£119United Airlines

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Fri, 23 Jan - Tue, 27 Jan

08:50 - 17:50LAX-SEA

9h 00m1 stop

11:45 - 18:10SEA-LAX

6h 25m1 stop

£120Southwest

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Wed, 18 Feb - Sat, 21 Feb

07:00 - 09:56LAX-SEA

2h 56mdirect

13:40 - 18:49SEA-LAX

5h 09m1 stop

£122Alaska Airlines

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Wed, 25 Feb - Wed, 25 Feb

16:15 - 21:00LAX-SEA

4h 45m1 stop

12:36 - 15:35SEA-LAX

2h 59mdirect

£123United Airlines

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Tue, 9 Dec - Sat, 13 Dec

16:15 - 21:12LAX-SEA

4h 57m1 stop

17:12 - 20:11SEA-LAX

2h 59mdirect

£124United Airlines

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Fri, 23 Jan - Tue, 27 Jan

09:59 - 13:00LAX-SEA

3h 01mdirect

07:20 - 10:11SEA-LAX

2h 51mdirect

£126Delta

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Wed, 25 Feb - Sun, 1 Mar

11:40 - 14:37LAX-SEA

2h 57mdirect

11:41 - 16:44SEA-LAX

5h 03m1 stop

£132Multiple Airlines

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Wed, 26 Nov - Wed, 3 Dec

13:55 - 20:26LAX-SEA

6h 31m1 stop

13:06 - 20:22SEA-LAX

7h 16m1 stop

£133Alaska Airlines

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Wed, 17 Dec - Sat, 10 Jan

Delta flights from Los Angeles to Seattle

Our best Delta deals on Los Angeles to Seattle flight tickets

Delta

17 Dec

LAX17:54Los Angeles

2h 56m

SEA20:50Seattle/Tacoma Intl

31 Dec

SEA17:59Seattle/Tacoma Intl

2h 44m

LAX20:43Los Angeles

£119

Find similar

Delta

25 Feb

LAX09:59Los Angeles

3h 01m

SEA13:00Seattle/Tacoma Intl

1 Mar

SEA07:20Seattle/Tacoma Intl

2h 51m

LAX10:11Los Angeles

£126

Find similar

Delta

21 Nov

LAX21:00Los Angeles

2h 56m

SEA23:56Seattle/Tacoma Intl

23 Nov

SEA21:45Seattle/Tacoma Intl

2h 46m

LAX00:31Los Angeles

£134

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United Airlines flights from Los Angeles to Seattle

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

United Airlines

23 Jan

LAX20:06Los Angeles

3h 10m

SEA23:16Seattle/Tacoma Intl

27 Jan

SEA09:00Seattle/Tacoma Intl

2h 59m

LAX11:59Los Angeles

£119

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United Airlines

9 Dec

LAX16:15Los Angeles

4h 45m

1 stop

SEA21:00Seattle/Tacoma Intl

13 Dec

SEA12:36Seattle/Tacoma Intl

2h 59m

LAX15:35Los Angeles

£123

Find similar

United Airlines

23 Jan

LAX16:15Los Angeles

4h 57m

1 stop

SEA21:12Seattle/Tacoma Intl

27 Jan

SEA17:12Seattle/Tacoma Intl

2h 59m

LAX20:11Los Angeles

£124

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Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 24/2

11:20-15:40

1 stop4h 20m

Seattle/Tacoma Intl

Sat 28/2

06:35-13:40

1 stop7h 05m

£116

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 17/12

17:54-20:50

Nonstop2h 56m

Seattle/Tacoma Intl

Wed 31/12

17:59-20:43

Nonstop2h 44m

£119

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 23/1

20:06-23:16

Nonstop3h 10m

Seattle/Tacoma Intl

Tue 27/1

09:00-11:59

Nonstop2h 59m

£119

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 18/2

08:50-17:50

1 stop9h 00m

Seattle/Tacoma Intl

Sat 21/2

11:45-18:10

1 stop6h 25m

£120

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 25/2

07:00-09:56

Nonstop2h 56m

Seattle/Tacoma Intl

Wed 25/2

13:40-18:49

1 stop5h 09m

£122

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 9/12

16:15-21:00

1 stop4h 45m

Seattle/Tacoma Intl

Sat 13/12

12:36-15:35

Nonstop2h 59m

£123

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 23/1

16:15-21:12

1 stop4h 57m

Seattle/Tacoma Intl

Tue 27/1

17:12-20:11

Nonstop2h 59m

£124

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 25/2

09:59-13:00

Nonstop3h 01m

Seattle/Tacoma Intl

Sun 1/3

07:20-10:11

Nonstop2h 51m

£126

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 26/11

11:40-14:37

Nonstop2h 57m

Seattle/Tacoma Intl

Wed 3/12

11:41-16:44

1 stop5h 03m

£132

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 17/12

13:55-20:26

1 stop6h 31m

Seattle/Tacoma Intl

Sat 10/1

13:06-20:22

1 stop7h 16m

£133

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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 January. Flight prices, which tend to average around £110, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Seattle, with average flight prices from Los Angeles averaging around £134.

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 £183. 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 £1,126.

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 £274. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at midday are often more expensive, with an average ticket price of £943.

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 £164 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 £146 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 October 2025, prices for Los Angeles to Seattle flights are approximately 24% more expensive 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	£130
Fastest flight time	2h 53m
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 £130. The best return flight deal from Los Angeles to Seattle found on momondo in the last 72 hours is £105.

The fastest flight from Los Angeles to Seattle takes 2h 53m

Direct flights go from Los Angeles to Seattle every day.

There is 1 airport near Seattle: 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 56m, 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 many operators does momondo search for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport?
There is 1 operator available for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport as of October 2025.
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) (14.77% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (11.17%), Airbus A320neo (8.51%), and Boeing 737-900 (7.89%).
What is the most popular airline from Los Angeles to Seattle?
momondo data reveals that the most frequently booked airline on the route from Los Angeles to Seattle is Alaska Airlines, representing 100% of all bookings.

Best airlines flying from Los Angeles to Seattle

Compare and see reviews for airlines that fly from Los Angeles to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom £118	Free Cancellation	Rating 8.0 11,211 reviews		Search Alaska Airlines flights

Alaska Airlines Flights From Los Angeles to Seattle
Alaska Airlines flight deals from Los Angeles to Seattle start from £118 round-trip. Over the 11 Alaska Airlines flights for this route in a normal week, average airfare is usually £257 round-trip - but some users have found much cheaper deals with momondo.

Fife

Renton

SeaTac

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.

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Cheap flights from Los Angeles to Seattle from £57

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 28/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

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 October 2025, prices for Los Angeles to Seattle flights are approximately 24% more expensive 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, United Airlines, and Alaska Airlines 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 9% 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 140 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, Atlas Air have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

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

The number of flights available between Los Angeles and Seattle is 62 per day as of October 2025. The most frequent departure time is 19:00, with 41% of daily flights leaving at midday.

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

As of October 2025, 439 flights take off from Los Angeles and land in Seattle each week. The most common flight departure day for this route is Wed, with 24% 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 many operators does momondo search 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?

What is the most popular airline from Los Angeles to Seattle?

Best airlines flying from Los Angeles to Seattle

Compare and see reviews for airlines that fly from Los Angeles to Seattle with momondo

Alaska Airlines Flights 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