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Cheap flights from Los Angeles to Seattle from $105

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 20/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
16:45 - 19:55
LAX
-
SEA
3h 10mdirect
United Airlines Logo
09:00 - 11:59
SEA
-
LAX
2h 59mdirect
$209United Airlines
wt., 13 sty - wt., 20 sty
American Airlines Logo
20:58 - 23:59
LAX
-
SEA
3h 01mdirect
American Airlines Logo
18:38 - 21:26
SEA
-
LAX
2h 48mdirect
$210American Airlines
śr., 28 sty - śr., 4 lut
United Airlines Logo
16:45 - 19:55
LAX
-
SEA
3h 10mdirect
United Airlines Logo
09:00 - 11:59
SEA
-
LAX
2h 59mdirect
$222United Airlines
wt., 13 sty - wt., 20 sty
Southwest Logo
08:25 - 12:40
LAX
-
SEA
4h 15m1 stop
Southwest Logo
11:40 - 19:15
SEA
-
LAX
7h 35m1 stop
$228Southwest
sob., 10 sty - sob., 17 sty
Southwest Logo
05:45 - 12:05
LAX
-
SEA
6h 20m1 stop
Southwest Logo
12:45 - 16:55
SEA
-
LAX
4h 10m1 stop
$230Southwest
ndz., 18 sty - śr., 28 sty
United Airlines Logo
16:15 - 21:12
LAX
-
SEA
4h 57m1 stop
United Airlines Logo
09:00 - 11:59
SEA
-
LAX
2h 59mdirect
$231United Airlines
śr., 21 sty - śr., 4 lut
Delta Logo
16:37 - 19:34
LAX
-
SEA
2h 57mdirect
Delta Logo
17:40 - 20:20
SEA
-
LAX
2h 40mdirect
$236Delta
wt., 6 sty - wt., 13 sty
Southwest Logo
08:25 - 12:40
LAX
-
SEA
4h 15m1 stop
Southwest Logo
18:15 - 22:20
SEA
-
LAX
4h 05m1 stop
$237Southwest
sob., 10 sty - ndz., 11 sty
Delta Logo
09:55 - 12:57
LAX
-
SEA
3h 02mdirect
Delta Logo
19:50 - 22:36
SEA
-
LAX
2h 46mdirect
$239Delta
sob., 10 sty - sob., 17 sty
Alaska Airlines Logo
12:54 - 19:14
LAX
-
SEA
6h 20m1 stop
Alaska Airlines Logo
21:14 - 23:59
SEA
-
LAX
2h 45mdirect
$242Alaska Airlines
czw., 19 lut - czw., 19 lut

Delta flights from Los Angeles to Seattle

Our best Delta deals on Los Angeles to Seattle flight tickets
Delta
6 Jan
LAX16:37Los Angeles
2h 57m
SEA19:34Seattle/Tacoma Intl
13 Jan
SEA17:40Seattle/Tacoma Intl
2h 40m
LAX20:20Los Angeles
$236
Find similar
Delta
10 Jan
LAX09:55Los Angeles
3h 02m
SEA12:57Seattle/Tacoma Intl
17 Jan
SEA19:50Seattle/Tacoma Intl
2h 46m
LAX22:36Los Angeles
$239
Find similar
Delta
10 Jan
LAX16:37Los Angeles
2h 57m
SEA19:34Seattle/Tacoma Intl
11 Jan
SEA07:15Seattle/Tacoma Intl
2h 49m
LAX10:04Los Angeles
$251
Find similar

Alaska Airlines flights from Los Angeles to Seattle

Our best Alaska Airlines deals on Los Angeles to Seattle flight tickets
Alaska Airlines
19 Feb
LAX12:54Los Angeles
6h 20m
1 stop
SEA19:14Seattle/Tacoma Intl
19 Feb
SEA21:14Seattle/Tacoma Intl
2h 45m
LAX23:59Los Angeles
$242
Find similar
Alaska Airlines
18 Feb
LAX08:52Los Angeles
5h 56m
1 stop
SEA14:48Seattle/Tacoma Intl
18 Feb
SEA16:50Seattle/Tacoma Intl
2h 46m
LAX19:36Los Angeles
$257
Find similar
Alaska Airlines
6 Jan
LAX11:06Los Angeles
4h 55m
1 stop
SEA16:01Seattle/Tacoma Intl
7 Jan
SEA08:25Seattle/Tacoma Intl
4h 50m
1 stop
LAX13:15Los Angeles
$264
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Los Angeles to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 15 grudnia 2025.
Use the filters below to find and compare flights from Los Angeles to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

wt. 13/1

16:45-19:55

Nonstop3h 10m

Seattle/Tacoma Intl

wt. 20/1

09:00-11:59

Nonstop2h 59m

$209

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

śr. 28/1

20:58-23:59

Nonstop3h 01m

Seattle/Tacoma Intl

śr. 4/2

18:38-21:26

Nonstop2h 48m

$210

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

wt. 13/1

16:45-19:55

Nonstop3h 10m

Seattle/Tacoma Intl

wt. 20/1

09:00-11:59

Nonstop2h 59m

$222

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

sob. 10/1

08:25-12:40

1 stop4h 15m

Seattle/Tacoma Intl

sob. 17/1

11:40-19:15

1 stop7h 35m

$228

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

ndz. 18/1

05:45-12:05

1 stop6h 20m

Seattle/Tacoma Intl

śr. 28/1

12:45-16:55

1 stop4h 10m

$230

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

śr. 21/1

16:15-21:12

1 stop4h 57m

Seattle/Tacoma Intl

śr. 4/2

09:00-11:59

Nonstop2h 59m

$231

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

wt. 6/1

16:37-19:34

Nonstop2h 57m

Seattle/Tacoma Intl

wt. 13/1

17:40-20:20

Nonstop2h 40m

$236

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

sob. 10/1

08:25-12:40

1 stop4h 15m

Seattle/Tacoma Intl

ndz. 11/1

18:15-22:20

1 stop4h 05m

$237

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

sob. 10/1

09:55-12:57

Nonstop3h 02m

Seattle/Tacoma Intl

sob. 17/1

19:50-22:36

Nonstop2h 46m

$239

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

czw. 19/2

12:54-19:14

1 stop6h 20m

Seattle/Tacoma Intl

czw. 19/2

21:14-23:59

Nonstop2h 45m

$242

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

The month of January is, on average, the cheapest month to fly to Seattle from Los Angeles, with most prices found around $234. 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 $276.

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 $279. 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 $550.

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 $295. 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 $486.

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 $333 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 $285 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?

You could potentially save up to 33% on your flight if you consider stops on a Los Angeles to Seattle flight.

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

As of December 2025, prices for Los Angeles to Seattle flights are approximately 26% 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

$217

Fastest flight time

2h 58m

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 $217. The best return flight deal from Los Angeles to Seattle found on momondo in the last 72 hours is $213.
The fastest flight from Los Angeles to Seattle takes 2h 58m
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 58m 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?

  • 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?

  • 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
Airline
Rating
Free cancellation
Price
Alaska AirlinesPriceFrom $213Free cancellationRating
8.0
11,461 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 $330, with the best Alaska Airlines deals starting from $213 round-trip. 11,461 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
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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