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

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

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?

As of February 2026, 70 flights take off from Los Angeles and land in Seattle each day. The most common flight departure time for this route is 07:00, with 51% of daily flights taking off 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.

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

As of February 2026, there are 494 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Mon, with 20% of 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 updated daily.

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

As of February 2026, 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.

$106 Cheap Flights from Los Angeles to Seattle in 2026

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One-way

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Enter your travel dates to find the best prices.

18:30 - 20:20

LAX

SEA

25h 50m

1 stop

18:24 - 21:12

SEA

LAX

2h 48mdirect

$146Frontier

Wed, 18 Mar - Wed, 25 Mar

14:37 - 21:03

LAX

SEA

6h 26m

1 stop

18:24 - 21:12

SEA

LAX

2h 48mdirect

$160Frontier

Tue, 17 Mar - Tue, 24 Mar

07:35 - 10:26

LAX

SEA

2h 51mdirect

07:15 - 10:02

SEA

LAX

2h 47mdirect

$196Delta

Sat, 4 Apr - Tue, 7 Apr

14:45 - 17:42

LAX

SEA

2h 57mdirect

07:00 - 09:53

SEA

LAX

2h 53mdirect

$206Multiple Airlines

Fri, 15 May - Sun, 17 May

17:35 - 20:30

LAX

SEA

2h 55mdirect

17:55 - 20:34

SEA

LAX

2h 39mdirect

$210Delta

Tue, 3 Mar - Sun, 8 Mar

16:22 - 19:28

LAX

SEA

3h 06mdirect

08:45 - 11:53

SEA

LAX

3h 08mdirect

$213United Airlines

Sat, 7 Mar - Tue, 10 Mar

14:30 - 18:35

LAX

SEA

4h 05m

1 stop

06:50 - 14:20

SEA

LAX

7h 30m

1 stop

$217Southwest

Tue, 24 Feb - Sat, 28 Feb

12:55 - 21:06

LAX

SEA

8h 11m

1 stop

08:45 - 11:48

SEA

LAX

3h 03mdirect

$221United Airlines

Wed, 15 Apr - Sat, 18 Apr

07:45 - 10:44

LAX

SEA

2h 59mdirect

20:14 - 23:03

SEA

LAX

2h 49mdirect

$224Alaska Airlines

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

$225Southwest

Tue, 24 Feb - Sat, 28 Feb

Delta flights from Los Angeles to Seattle

Our best Delta deals on Los Angeles to Seattle flight tickets

Delta

4 Apr

LAX07:35Los Angeles

2h 51m

SEA10:26Seattle/Tacoma Intl

7 Apr

SEA07:15Seattle/Tacoma Intl

2h 47m

LAX10:02Los Angeles

$196

Delta

27 Feb

LAX15:55Los Angeles

2h 54m

SEA18:49Seattle/Tacoma Intl

1 Mar

SEA07:25Seattle/Tacoma Intl

2h 49m

LAX10:14Los Angeles

$224

Delta

19 May

LAX21:05Los Angeles

2h 50m

SEA23:55Seattle/Tacoma Intl

29 May

SEA07:15Seattle/Tacoma Intl

2h 46m

LAX10:01Los Angeles

$267

United Airlines flights from Los Angeles to Seattle

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

United Airlines

15 Apr

LAX12:55Los Angeles

8h 11m

1 stop

SEA21:06Seattle/Tacoma Intl

18 Apr

SEA08:45Seattle/Tacoma Intl

3h 03m

LAX11:48Los Angeles

$221

United Airlines

18 Mar

LAX20:10Los Angeles

3h 06m

SEA23:16Seattle/Tacoma Intl

22 Mar

SEA08:45Seattle/Tacoma Intl

3h 08m

LAX11:53Los Angeles

$288

United Airlines

7 Mar

LAX13:15Los Angeles

5h 15m

1 stop

SEA18:30Seattle/Tacoma Intl

9 Mar

SEA12:36Seattle/Tacoma Intl

4h 53m

1 stop

LAX17:29Los Angeles

$295

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 18/3

18:30-20:20

1 stop25h 50m

Seattle/Tacoma Intl

Wed 25/3

18:24-21:12

Nonstop2h 48m

$146

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 17/3

14:37-21:03

1 stop6h 26m

Seattle/Tacoma Intl

Tue 24/3

18:24-21:12

Nonstop2h 48m

$160

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 4/4

07:35-10:26

Nonstop2h 51m

Seattle/Tacoma Intl

Tue 7/4

07:15-10:02

Nonstop2h 47m

$196

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 15/5

14:45-17:42

Nonstop2h 57m

Seattle/Tacoma Intl

Sun 17/5

07:00-09:53

Nonstop2h 53m

$206

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 3/3

17:35-20:30

Nonstop2h 55m

Seattle/Tacoma Intl

Sun 8/3

17:55-20:34

Nonstop2h 39m

$210

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 7/3

16:22-19:28

Nonstop3h 06m

Seattle/Tacoma Intl

Tue 10/3

08:45-11:53

Nonstop3h 08m

$213

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 24/2

14:30-18:35

1 stop4h 05m

Seattle/Tacoma Intl

Sat 28/2

06:50-14:20

1 stop7h 30m

$217

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 15/4

12:55-21:06

1 stop8h 11m

Seattle/Tacoma Intl

Sat 18/4

08:45-11:48

Nonstop3h 03m

$221

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 27/2

07:45-10:44

Nonstop2h 59m

Seattle/Tacoma Intl

Mon 2/3

20:14-23:03

Nonstop2h 49m

$224

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

$225

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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 March is, on average, the cheapest month to fly to Seattle from Los Angeles, with most prices found around $251. If you are unable to visit Seattle during the month of March, then departing from Los Angeles during the month February is also very affordable. Most momondo users find prices during this month for around $253.

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 Thursday. Travellers who choose to depart for Seattle on a Thursday will often find tickets for as low as $260. 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 $519.

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 $280. 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 $461.

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 $319 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 $263 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 February 2026, prices for Los Angeles to Seattle flights are approximately 35% 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 55m
Direct flights	Every day
Airports in Seattle	1 airport

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?
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 February 2026, 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 18.14% of the total bookings. Other popular models include Airbus A320neo with 10.78%, Airbus A321neo with 7.32%, and Boeing 737-900 with 7.29%.
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 $202	Free cancellation	Rating 8.0 11,833 reviews		Search Alaska Airlines flights

Alaska Airlines Flights From Los Angeles to Seattle
Across 22 Alaska Airlines flights from Los Angeles to Seattle this week, the average price was $320, with the best Alaska Airlines deals starting from $202 round-trip. 11,833 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 $106

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

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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 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 February 2026, prices for Los Angeles to Seattle flights are approximately 35% 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, Delta, 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 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?

As of February 2026, 70 flights take off from Los Angeles and land in Seattle each day. The most common flight departure time for this route is 07:00, with 51% of daily flights taking off at midday.

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

As of February 2026, there are 494 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Mon, with 20% 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

Fly your favourite airline to Seattle

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seattle