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

As of November 2025, 56 flights take off from Los Angeles and land in Seattle each day. The most common flight departure time for this route is 19:00, with 37% of daily flights taking off at midday.

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

United Airlines, Southwest, and Delta 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 week?

As of November 2025, there are 396 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Thu, with 30% of flights taking off on this day.

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.

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 updated daily.

How many operators does momondo search for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport?

As of November 2025, there is 1 operator available to choose from 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?

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 stopovers. 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 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 licence 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.

$102 Cheap Flights from Los Angeles to Seattle in 2025/26

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13:15 - 16:29LAX-SEA

3h 14mdirect

09:00 - 11:59SEA-LAX

2h 59mdirect

$202United Airlines

Find Deal

Wed, 7 Jan - Sat, 10 Jan

14:30 - 18:35LAX-SEA

4h 05m1 stop

18:15 - 22:20SEA-LAX

4h 05m1 stop

$219Southwest

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Mon, 12 Jan - Thu, 15 Jan

16:10 - 21:01LAX-SEA

4h 51m1 stop

18:04 - 21:10SEA-LAX

3h 06mdirect

$224United Airlines

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Sat, 14 Feb - Sat, 21 Feb

11:40 - 16:00LAX-SEA

4h 20m1 stop

11:20 - 15:15SEA-LAX

3h 55m1 stop

$226Southwest

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Thu, 29 Jan - Mon, 2 Feb

19:24 - 22:30LAX-SEA

3h 06mdirect

09:00 - 11:59SEA-LAX

2h 59mdirect

$229United Airlines

Find Deal

Tue, 16 Dec - Tue, 6 Jan

14:30 - 18:35LAX-SEA

4h 05m1 stop

12:45 - 16:55SEA-LAX

4h 10m1 stop

$232Southwest

Find Deal

Wed, 18 Feb - Wed, 25 Feb

08:25 - 12:40LAX-SEA

4h 15m1 stop

11:20 - 18:35SEA-LAX

7h 15m2 stops

$235Southwest

Find Deal

Sat, 17 Jan - Mon, 2 Feb

13:15 - 16:29LAX-SEA

3h 14mdirect

09:00 - 11:59SEA-LAX

2h 59mdirect

$236United Airlines

Find Deal

Thu, 29 Jan - Mon, 2 Feb

13:15 - 16:29LAX-SEA

3h 14mdirect

12:24 - 15:23SEA-LAX

2h 59mdirect

$238United Airlines

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Fri, 9 Jan - Mon, 12 Jan

14:45 - 22:30LAX-SEA

7h 45m1 stop

11:20 - 18:35SEA-LAX

7h 15m2 stops

$241Southwest

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Thu, 29 Jan - Mon, 2 Feb

Alaska Airlines flights from Los Angeles to Seattle

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

Alaska Airlines

10 Dec

LAX09:00Los Angeles

8h 08m

2 stops

SEA17:08Seattle/Tacoma Intl

10 Dec

SEA20:10Seattle/Tacoma Intl

2h 48m

LAX22:58Los Angeles

$249

Find similar

Alaska Airlines

17 Dec

LAX07:00Los Angeles

4h 49m

1 stop

SEA11:49Seattle/Tacoma Intl

24 Dec

SEA23:10Seattle/Tacoma Intl

10h 14m

1 stop

LAX09:24Los Angeles

$272

Find similar

Alaska Airlines

12 Dec

LAX16:37Los Angeles

2h 58m

SEA19:35Seattle/Tacoma Intl

14 Dec

SEA20:10Seattle/Tacoma Intl

2h 48m

LAX22:58Los Angeles

$274

Find similar

Southwest flights from Los Angeles to Seattle

Our best Southwest deals on Los Angeles to Seattle flight tickets

Southwest

12 Jan

LAX14:30Los Angeles

4h 05m

1 stop

SEA18:35Seattle/Tacoma Intl

15 Jan

SEA18:15Seattle/Tacoma Intl

4h 05m

1 stop

LAX22:20Los Angeles

$219

Find similar

Southwest

29 Jan

LAX11:40Los Angeles

4h 20m

1 stop

SEA16:00Seattle/Tacoma Intl

2 Feb

SEA11:20Seattle/Tacoma Intl

3h 55m

1 stop

LAX15:15Los Angeles

$226

Find similar

Southwest

18 Feb

LAX14:30Los Angeles

4h 05m

1 stop

SEA18:35Seattle/Tacoma Intl

25 Feb

SEA12:45Seattle/Tacoma Intl

4h 10m

1 stop

LAX16:55Los Angeles

$232

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Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 7/1

13:15-16:29

Nonstop3h 14m

Seattle/Tacoma Intl

Sat 10/1

09:00-11:59

Nonstop2h 59m

$202

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Mon 12/1

14:30-18:35

1 stop4h 05m

Seattle/Tacoma Intl

Thu 15/1

18:15-22:20

1 stop4h 05m

$219

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 14/2

16:10-21:01

1 stop4h 51m

Seattle/Tacoma Intl

Sat 21/2

18:04-21:10

Nonstop3h 06m

$224

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 29/1

11:40-16:00

1 stop4h 20m

Seattle/Tacoma Intl

Mon 2/2

11:20-15:15

1 stop3h 55m

$226

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 16/12

19:24-22:30

Nonstop3h 06m

Seattle/Tacoma Intl

Tue 6/1

09:00-11:59

Nonstop2h 59m

$229

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 18/2

14:30-18:35

1 stop4h 05m

Seattle/Tacoma Intl

Wed 25/2

12:45-16:55

1 stop4h 10m

$232

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 17/1

08:25-12:40

1 stop4h 15m

Seattle/Tacoma Intl

Mon 2/2

11:20-18:35

2 stops7h 15m

$235

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 29/1

13:15-16:29

Nonstop3h 14m

Seattle/Tacoma Intl

Mon 2/2

09:00-11:59

Nonstop2h 59m

$236

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 9/1

13:15-16:29

Nonstop3h 14m

Seattle/Tacoma Intl

Mon 12/1

12:24-15:23

Nonstop2h 59m

$238

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 29/1

14:45-22:30

1 stop7h 45m

Seattle/Tacoma Intl

Mon 2/2

11:20-18:35

2 stops7h 15m

$241

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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 typical price of a round-trip flight between Los Angeles and Seattle?

What is the cheapest month to fly to Seattle?

The month of January is, on average, the cheapest month to fly to Seattle from Los Angeles, with most prices found around $229. If you are unable to visit Seattle during the month of January, then departing from Los Angeles during the month February is also very affordable. Most momondo users find prices during this month for around $281.

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

The cheapest day to depart from Los Angeles to Seattle is on a Saturday. Travellers who choose to depart for Seattle on a Saturday will often find tickets for as low as $287. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Los Angeles to Seattle for around $562.

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 $303. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is in the evening when prices are around $712.

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 $340 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 $292 on momondo.

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

There are 3 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 November 2025, prices for Los Angeles to Seattle flights are approximately 3% 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

Fastest flight time	2h 49m
Direct flights	Every day
Airports in Seattle	1 airport

The fastest flight from Los Angeles to Seattle takes 2h 49m

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?
The distance between Los Angeles and Seattle/Tacoma Intl is about 1543.7 km. 2h 55m is a normal flight duration for this route.
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 updated daily.
How many operators does momondo search for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport?
As of November 2025, there is 1 operator available to choose from 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?
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 stopovers. 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 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 licence 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?
Based on momondo bookings for flights between Los Angeles and Seattle, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 14.41% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 10.76%, Airbus A320neo with 9.04%, and Boeing 737-900 with 8.37%.
What is the most popular airline from Los Angeles to Seattle?
Based on momondo bookings for flights between Los Angeles and Seattle, the leading airline is Alaska Airlines, making up 100% of the total 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 $282	Free cancellation	Rating 8.0 11,329 reviews		Search Alaska Airlines flights

Alaska Airlines Flights From Los Angeles to Seattle
Across 15 Alaska Airlines flights from Los Angeles to Seattle this week, the average price was $388, with the best Alaska Airlines deals starting from $282 round-trip. 11,329 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

Leavenworth

SeaTac

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?

momondo does allow users to show only those flights to Seattle from Los Angeles which offer a flexible booking policy as well as other useful filters and features.

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?

Yes momondo offers price alerts on flights to Seattle from Los Angeles. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when 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.

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Cheap flights from Los Angeles to Seattle from $102

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 7/1. 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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Alaska Airlines flights from Los Angeles to Seattle

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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 typical price of a round-trip flight between Los Angeles and 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 3 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 November 2025, prices for Los Angeles to Seattle flights are approximately 3% 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?

United Airlines, Southwest, and Delta 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 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, 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?

As of November 2025, 56 flights take off from Los Angeles and land in Seattle each day. The most common flight departure time for this route is 19:00, with 37% of daily flights taking off at midday.

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

As of November 2025, there are 396 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Thu, with 30% 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 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