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

As of August 2025, there are 644 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Thu, with 22% of flights taking off on this day.

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

Southwest, United Airlines, and Hawaiian Airlines 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?

As of August 2025, 92 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.

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 August 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.

$113 Cheap Flights from Los Angeles to Seattle in 2025

Q: What is the typical price of a round-trip flight between Los Angeles and Seattle?

Prices are currently low for flights on this route. Typical prices usually range from $301 to $517. The lowest price recently found on this route was $144.

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Find the cheapest flights from Los Angeles to Seattle

Round-trip

One-way

Last minute

Direct

Cheap return flights

16:45 - 19:36LAX-SEA

2h 51mdirect

10:10 - 13:00SEA-LAX

2h 50mdirect

$144Frontier

Find Deal

Mon, 15 Sep - Fri, 19 Sep

06:35 - 00:30LAX-SEA

17h 55m1 stop

10:10 - 13:00SEA-LAX

2h 50mdirect

$219Frontier

Find Deal

Mon, 15 Sep - Fri, 19 Sep

07:25 - 11:35LAX-SEA

4h 10m1 stop

05:15 - 10:50SEA-LAX

5h 35m1 stop

$232Southwest

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Wed, 10 Dec - Wed, 17 Dec

06:50 - 12:20LAX-SEA

5h 30m1 stop

14:25 - 20:35SEA-LAX

6h 10m1 stop

$240Southwest

Find Deal

Tue, 16 Sep - Tue, 16 Sep

19:22 - 22:15LAX-SEA

2h 53mdirect

06:25 - 09:10SEA-LAX

2h 45mdirect

$257United Airlines

Find Deal

Sat, 13 Sep - Sat, 20 Sep

10:06 - 17:53LAX-SEA

7h 47m1 stop

19:59 - 22:56SEA-LAX

2h 57mdirect

$277Alaska Airlines

Find Deal

Wed, 3 Sep - Wed, 3 Sep

18:58 - 21:53LAX-SEA

2h 55mdirect

17:26 - 20:11SEA-LAX

2h 45mdirect

$287United Airlines

Find Deal

Fri, 26 Sep - Tue, 30 Sep

18:40 - 10:20LAX-SEA

15h 40m2 stops

10:10 - 13:00SEA-LAX

2h 50mdirect

$300

Find Deal

Mon, 15 Sep - Fri, 19 Sep

18:40 - 00:08LAX-SEA

5h 28m1 stop

10:10 - 13:00SEA-LAX

2h 50mdirect

$306

Find Deal

Mon, 15 Sep - Fri, 19 Sep

08:11 - 15:00LAX-SEA

6h 49m1 stop

18:05 - 20:45SEA-LAX

2h 40mdirect

$307Alaska Airlines

Find Deal

Thu, 4 Sep - Thu, 4 Sep

Alaska Airlines flights from Los Angeles to Seattle

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

Alaska Airlines

3 Sept

LAX10:06Los Angeles

7h 47m

1 stop

SEA17:53Seattle/Tacoma Intl

3 Sept

SEA19:59Seattle/Tacoma Intl

2h 57m

LAX22:56Los Angeles

$277

Find similar

Alaska Airlines

4 Sept

LAX08:11Los Angeles

6h 49m

1 stop

SEA15:00Seattle/Tacoma Intl

4 Sept

SEA18:05Seattle/Tacoma Intl

2h 40m

LAX20:45Los Angeles

$307

Find similar

Alaska Airlines

15 Oct

LAX08:00Los Angeles

4h 13m

1 stop

SEA12:13Seattle/Tacoma Intl

15 Oct

SEA14:16Seattle/Tacoma Intl

4h 57m

1 stop

LAX19:13Los Angeles

$321

Find similar

United Airlines flights from Los Angeles to Seattle

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

United Airlines

13 Sept

LAX19:22Los Angeles

2h 53m

SEA22:15Seattle/Tacoma Intl

20 Sept

SEA06:25Seattle/Tacoma Intl

2h 45m

LAX09:10Los Angeles

$257

Find similar

United Airlines

26 Sept

LAX18:58Los Angeles

2h 55m

SEA21:53Seattle/Tacoma Intl

30 Sept

SEA17:26Seattle/Tacoma Intl

2h 45m

LAX20:11Los Angeles

$287

Find similar

United Airlines

7 Oct

LAX16:10Los Angeles

5h 05m

1 stop

SEA21:15Seattle/Tacoma Intl

14 Oct

SEA17:26Seattle/Tacoma Intl

2h 45m

LAX20:11Los Angeles

$296

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Mon 15/9

16:45-19:36

Nonstop2h 51m

Seattle/Tacoma Intl

Fri 19/9

10:10-13:00

Nonstop2h 50m

$144

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Mon 15/9

06:35-00:30

1 stop17h 55m

Seattle/Tacoma Intl

Fri 19/9

10:10-13:00

Nonstop2h 50m

$219

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 10/12

07:25-11:35

1 stop4h 10m

Seattle/Tacoma Intl

Wed 17/12

05:15-10:50

1 stop5h 35m

$232

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 16/9

06:50-12:20

1 stop5h 30m

Seattle/Tacoma Intl

Tue 16/9

14:25-20:35

1 stop6h 10m

$240

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 13/9

19:22-22:15

Nonstop2h 53m

Seattle/Tacoma Intl

Sat 20/9

06:25-09:10

Nonstop2h 45m

$257

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 3/9

10:06-17:53

1 stop7h 47m

Seattle/Tacoma Intl

Wed 3/9

19:59-22:56

Nonstop2h 57m

$277

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 26/9

18:58-21:53

Nonstop2h 55m

Seattle/Tacoma Intl

Tue 30/9

17:26-20:11

Nonstop2h 45m

$287

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Mon 15/9

18:40-10:20

2 stops15h 40m

Seattle/Tacoma Intl

Fri 19/9

10:10-13:00

Nonstop2h 50m

$300

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Mon 15/9

18:40-00:08

1 stop5h 28m

Seattle/Tacoma Intl

Fri 19/9

10:10-13:00

Nonstop2h 50m

$306

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 4/9

08:11-15:00

1 stop6h 49m

Seattle/Tacoma Intl

Thu 4/9

18:05-20:45

Nonstop2h 40m

$307

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

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 $226. 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 $271.

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 Friday. Travellers who choose to depart for Seattle on a Friday will often find tickets for as low as $298. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Los Angeles to Seattle for around $573.

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 $573.

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 $320 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 $278 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 August 2025, prices for Los Angeles to Seattle flights are approximately 9% 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	$113
Fastest flight time	2h 45m
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 $113. The best return flight deal from Los Angeles to Seattle found on momondo in the last 72 hours is $144.

The fastest flight from Los Angeles to Seattle takes 2h 45m

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 45m 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 August 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 14.46% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 10.51%, Boeing 737 MAX 9 with 9.57%, and Airbus A320neo with 8.48%.
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 $226	Free cancellation	Rating 8.0 10,000 reviews		Search Alaska Airlines flights

Alaska Airlines Flights From Los Angeles to Seattle
Across 29 Alaska Airlines flights from Los Angeles to Seattle this week, the average price was $251, with the best Alaska Airlines deals starting from $148 round-trip. 10,000 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 $113

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 10/12. 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

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Find the cheapest flights from Los Angeles to Seattle

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Alaska Airlines flights from Los Angeles to Seattle

Our best Alaska Airlines 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

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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

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 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 August 2025, prices for Los Angeles to Seattle flights are approximately 9% 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, United Airlines, and Hawaiian Airlines 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?

As of August 2025, 92 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 August 2025, there are 644 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Thu, with 22% 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

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