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

As of January 2026, there are 517 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Thu, with 20% of flights taking off on this day.

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 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.

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

Southwest and Alaska 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 January 2026, 73 flights take off from Los Angeles and land in Seattle each day. The most common flight departure time for this route is 08:00, with 44% 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 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.

$110 Cheap Flights from Los Angeles to Seattle in 2026

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One-way

Last minute

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Enter your travel dates to find the best prices.

20:57 - 10:19

LAX

SEA

13h 22m

1 stop

18:24 - 21:12

SEA

LAX

2h 48mdirect

$178Frontier

Sat, 7 Mar - Sat, 14 Mar

07:20 - 10:17

LAX

SEA

2h 57mdirect

09:50 - 12:35

SEA

LAX

2h 45mdirect

$203Delta

Wed, 18 Feb - Sat, 28 Feb

17:57 - 20:50

LAX

SEA

2h 53mdirect

06:25 - 09:10

SEA

LAX

2h 45mdirect

$218Alaska Airlines

Fri, 24 Apr - Tue, 28 Apr

14:30 - 18:35

LAX

SEA

4h 05m

1 stop

11:20 - 15:15

SEA

LAX

3h 55m

1 stop

$219Southwest

Tue, 3 Mar - Wed, 4 Mar

09:56 - 12:58

LAX

SEA

3h 02mdirect

19:59 - 22:45

SEA

LAX

2h 46mdirect

$221Delta

Sat, 28 Feb - Sun, 1 Mar

15:20 - 20:45

LAX

SEA

5h 25m

1 stop

12:45 - 16:55

SEA

LAX

4h 10m

1 stop

$225Southwest

Tue, 17 Feb - Tue, 24 Feb

11:55 - 19:15

LAX

SEA

7h 20m

1 stop

07:30 - 11:45

SEA

LAX

4h 15m

1 stop

$227Southwest

Sat, 7 Mar - Tue, 10 Mar

07:45 - 10:44

LAX

SEA

2h 59mdirect

17:50 - 20:36

SEA

LAX

2h 46mdirect

$232Alaska Airlines

Fri, 27 Feb - Sun, 1 Mar

14:30 - 18:35

LAX

SEA

4h 05m

1 stop

06:50 - 15:50

SEA

LAX

9h 00m

2 stops

$234Southwest

Wed, 25 Feb - Sat, 28 Feb

11:55 - 19:15

LAX

SEA

7h 20m

1 stop

06:00 - 14:20

SEA

LAX

8h 20m

2 stops

$240Southwest

Sat, 7 Mar - Tue, 10 Mar

Alaska Airlines flights from Los Angeles to Seattle

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

Alaska Airlines

24 Apr

LAX17:57Los Angeles

2h 53m

SEA20:50Seattle/Tacoma Intl

2 May

SEA21:06Seattle/Tacoma Intl

2h 52m

LAX23:58Los Angeles

$218

Alaska Airlines

10 Mar

LAX08:52Los Angeles

5h 56m

1 stop

SEA14:48Seattle/Tacoma Intl

10 Mar

SEA18:21Seattle/Tacoma Intl

4h 37m

1 stop

LAX22:58Los Angeles

$253

Alaska Airlines

19 Feb

LAX08:52Los Angeles

5h 56m

1 stop

SEA14:48Seattle/Tacoma Intl

22 Feb

SEA15:55Seattle/Tacoma Intl

5h 17m

1 stop

LAX21:12Los Angeles

$262

United Airlines flights from Los Angeles to Seattle

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

United Airlines

4 Feb

LAX08:30Los Angeles

3h 13m

SEA11:43Seattle/Tacoma Intl

10 Feb

SEA09:00Seattle/Tacoma Intl

2h 59m

LAX11:59Los Angeles

$271

United Airlines

18 Feb

LAX16:10Los Angeles

4h 51m

1 stop

SEA21:01Seattle/Tacoma Intl

25 Feb

SEA07:15Seattle/Tacoma Intl

4h 56m

1 stop

LAX12:11Los Angeles

$286

United Airlines

10 Feb

LAX18:35Los Angeles

6h 24m

1 stop

SEA00:59Seattle/Tacoma Intl

24 Feb

SEA12:15Seattle/Tacoma Intl

3h 08m

LAX15:23Los Angeles

$287

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 7/3

20:57-10:19

1 stop13h 22m

Seattle/Tacoma Intl

Sat 14/3

18:24-21:12

Nonstop2h 48m

$178

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 18/2

07:20-10:17

Nonstop2h 57m

Seattle/Tacoma Intl

Sat 28/2

09:50-12:35

Nonstop2h 45m

$203

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 24/4

17:57-20:50

Nonstop2h 53m

Seattle/Tacoma Intl

Tue 28/4

06:25-09:10

Nonstop2h 45m

$218

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 3/3

14:30-18:35

1 stop4h 05m

Seattle/Tacoma Intl

Wed 4/3

11:20-15:15

1 stop3h 55m

$219

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 28/2

09:56-12:58

Nonstop3h 02m

Seattle/Tacoma Intl

Sun 1/3

19:59-22:45

Nonstop2h 46m

$221

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 17/2

15:20-20:45

1 stop5h 25m

Seattle/Tacoma Intl

Tue 24/2

12:45-16:55

1 stop4h 10m

$225

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 7/3

11:55-19:15

1 stop7h 20m

Seattle/Tacoma Intl

Tue 10/3

07:30-11:45

1 stop4h 15m

$227

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 27/2

07:45-10:44

Nonstop2h 59m

Seattle/Tacoma Intl

Sun 1/3

17:50-20:36

Nonstop2h 46m

$232

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 25/2

14:30-18:35

1 stop4h 05m

Seattle/Tacoma Intl

Sat 28/2

06:50-15:50

2 stops9h 00m

$234

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 7/3

11:55-19:15

1 stop7h 20m

Seattle/Tacoma Intl

Tue 10/3

06:00-14:20

2 stops8h 20m

$240

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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 February is, on average, the cheapest month to fly to Seattle from Los Angeles, with most prices found around $247. If you are unable to visit Seattle during the month of February, then departing from Los Angeles during the month January is also very affordable. Most momondo users find prices during this month for around $262.

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 $289. 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 $539.

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 $290. 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 $479.

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 $326 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 $280 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.

How have Los Angeles to Seattle flight prices changed over time?

As of January 2026, prices for Los Angeles to Seattle flights are approximately 25% 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	$220
Fastest flight time	3h 02m
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 $220. The best return flight deal from Los Angeles to Seattle found on momondo in the last 72 hours is $210.

The fastest flight from Los Angeles to Seattle takes 3h 02m

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. 3h 02m 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 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 17.75% of the total bookings. Other popular models include Airbus A320neo with 12.91%, Airbus A321neo with 7.27%, and Boeing 737-900 with 6.80%.

SeaTac

Leavenworth

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 $110

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 24/2. 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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Alaska Airlines flights from Los Angeles to Seattle

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

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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.

How have Los Angeles to Seattle flight prices changed over time?

As of January 2026, prices for Los Angeles to Seattle flights are approximately 25% 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 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 January 2026, 73 flights take off from Los Angeles and land in Seattle each day. The most common flight departure time for this route is 08:00, with 44% of daily flights taking off at midday.

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

As of January 2026, there are 517 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Thu, 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

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 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?

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