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

As of November 2025, there are 242 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Fri, with 33% 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.

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

As of November 2025, 34 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 41% of daily flights taking off at midday.

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

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

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.

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 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.

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.

$115 Cheap Flights from Los Angeles to Seattle in 2025/26

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21:36 - 00:42LAX-SEA

3h 06mdirect

06:00 - 08:46SEA-LAX

2h 46mdirect

$200Frontier

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Thu, 1 Jan - Sat, 3 Jan

20:37 - 23:47LAX-SEA

3h 10mdirect

12:24 - 15:23SEA-LAX

2h 59mdirect

$212United Airlines

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Sat, 31 Jan - Tue, 3 Feb

07:00 - 11:27LAX-SEA

4h 27m1 stop

10:29 - 13:13SEA-LAX

2h 44mdirect

$234Multiple Airlines

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Tue, 24 Feb - Fri, 27 Feb

11:40 - 14:44LAX-SEA

3h 04mdirect

20:20 - 23:13SEA-LAX

2h 53mdirect

$240Delta

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Wed, 3 Dec - Sat, 13 Dec

08:00 - 11:00LAX-SEA

3h 00mdirect

10:29 - 13:13SEA-LAX

2h 44mdirect

$251Multiple Airlines

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Tue, 24 Feb - Fri, 27 Feb

05:00 - 07:48LAX-SEA

2h 48mdirect

14:59 - 17:40SEA-LAX

2h 41mdirect

$255Alaska Airlines

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Tue, 2 Dec - Thu, 11 Dec

07:40 - 10:45LAX-SEA

3h 05mdirect

17:59 - 20:43SEA-LAX

2h 44mdirect

$257Delta

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Sat, 6 Dec - Sun, 7 Dec

14:30 - 18:35LAX-SEA

4h 05m1 stop

11:20 - 15:15SEA-LAX

3h 55m1 stop

$258Southwest

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Fri, 23 Jan - Tue, 27 Jan

07:25 - 11:35LAX-SEA

4h 10m1 stop

14:20 - 22:15SEA-LAX

7h 55m1 stop

$263Southwest

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Wed, 3 Dec - Wed, 3 Dec

06:00 - 11:24LAX-SEA

5h 24m1 stop

12:45 - 20:09SEA-LAX

7h 24m1 stop

$269Alaska Airlines

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Tue, 9 Dec - Sat, 13 Dec

Frontier flights from Los Angeles to Seattle

Our best Frontier deals on Los Angeles to Seattle flight tickets

Frontier

1 Jan

LAX21:36Los Angeles

3h 06m

SEA00:42Seattle/Tacoma Intl

3 Jan

SEA06:00Seattle/Tacoma Intl

2h 46m

LAX08:46Los Angeles

$200

Find similar

Frontier

1 Jan

LAX21:36Los Angeles

3h 06m

SEA00:42Seattle/Tacoma Intl

4 Jan

SEA06:00Seattle/Tacoma Intl

2h 46m

LAX08:46Los Angeles

$215

Find similar

Frontier

31 Dec

LAX21:36Los Angeles

3h 06m

SEA00:42Seattle/Tacoma Intl

3 Jan

SEA06:00Seattle/Tacoma Intl

2h 46m

LAX08:46Los Angeles

$229

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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

31 Jan

LAX20:37Los Angeles

3h 10m

SEA23:47Seattle/Tacoma Intl

3 Feb

SEA12:24Seattle/Tacoma Intl

2h 59m

LAX15:23Los Angeles

$212

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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

$249

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United Airlines

14 Nov

LAX19:25Los Angeles

3h 05m

SEA22:30Seattle/Tacoma Intl

15 Nov

SEA09:04Seattle/Tacoma Intl

2h 59m

LAX12:03Los Angeles

$423

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Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 1/1

21:36-00:42

Nonstop3h 06m

Seattle/Tacoma Intl

Sat 3/1

06:00-08:46

Nonstop2h 46m

$200

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 31/1

20:37-23:47

Nonstop3h 10m

Seattle/Tacoma Intl

Tue 3/2

12:24-15:23

Nonstop2h 59m

$212

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 24/2

07:00-11:27

1 stop4h 27m

Seattle/Tacoma Intl

Fri 27/2

10:29-13:13

Nonstop2h 44m

$234

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 3/12

11:40-14:44

Nonstop3h 04m

Seattle/Tacoma Intl

Sat 13/12

20:20-23:13

Nonstop2h 53m

$240

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 24/2

08:00-11:00

Nonstop3h 00m

Seattle/Tacoma Intl

Fri 27/2

10:29-13:13

Nonstop2h 44m

$251

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 2/12

05:00-07:48

Nonstop2h 48m

Seattle/Tacoma Intl

Thu 11/12

14:59-17:40

Nonstop2h 41m

$255

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 6/12

07:40-10:45

Nonstop3h 05m

Seattle/Tacoma Intl

Sun 7/12

17:59-20:43

Nonstop2h 44m

$257

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 23/1

14:30-18:35

1 stop4h 05m

Seattle/Tacoma Intl

Tue 27/1

11:20-15:15

1 stop3h 55m

$258

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 3/12

07:25-11:35

1 stop4h 10m

Seattle/Tacoma Intl

Wed 3/12

14:20-22:15

1 stop7h 55m

$263

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 9/12

06:00-11:24

1 stop5h 24m

Seattle/Tacoma Intl

Sat 13/12

12:45-20:09

1 stop7h 24m

$269

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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 month of January is, on average, the cheapest month to fly to Seattle from Los Angeles, with most prices found around $223. 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 $270.

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 $284. 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 $556.

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 $300. 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 $704.

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 $331 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 $287 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 4% 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

Fastest flight time	2h 48m
Direct flights	Every day
Airports in Seattle	1 airport

The fastest flight from Los Angeles to Seattle takes 2h 48m

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 48m 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 14.77% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 11.17%, Airbus A320neo with 8.51%, and Boeing 737-900 with 7.89%.
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 $279	Free cancellation	Rating 8.0 11,232 reviews		Search Alaska Airlines flights

Alaska Airlines Flights From Los Angeles to Seattle
Across 6 Alaska Airlines flights from Los Angeles to Seattle this week, the average price was $384, with the best Alaska Airlines deals starting from $279 round-trip. 11,232 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 $115

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 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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 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 4% 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, Alaska Airlines, and United 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?

As of November 2025, 34 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 41% 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 242 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Fri, with 33% 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