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Cheap flights from New York LaGuardia Airport to Seattle from $183

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to Seattle departing on 8/9. 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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Find the cheapest flights from New York LaGuardia Airport to Seattle

Cheap return flights

Southwest Logo
15:40 - 00:05LGA-SEA
11h 25m1 stop
Southwest Logo
05:55 - 17:40SEA-LGA
8h 45m1 stop
$311Southwest
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Thu, 18 Sep - Sat, 20 Sep
Delta Logo
18:00 - 23:54LGA-SEA
8h 54m1 stop
Delta Logo
06:00 - 16:42SEA-LGA
7h 42m1 stop
$334Delta
Find Deal
Tue, 16 Sep - Wed, 24 Sep
United Airlines Logo
10:20 - 15:32LGA-SEA
8h 12m1 stop
United Airlines Logo
07:00 - 18:17SEA-LGA
8h 17m1 stop
$365United Airlines
Find Deal
Tue, 9 Sep - Tue, 16 Sep
Southwest Logo
18:15 - 00:05LGA-SEA
8h 50m1 stop
Southwest Logo
05:00 - 18:15SEA-LGA
10h 15m1 stop
$381Southwest
Find Deal
Thu, 25 Sep - Sat, 27 Sep
Southwest Logo
17:50 - 23:35LGA-SEA
8h 45m1 stop
Southwest Logo
05:55 - 17:40SEA-LGA
8h 45m1 stop
$385Southwest
Find Deal
Tue, 16 Sep - Sat, 20 Sep
Southwest Logo
15:40 - 00:05LGA-SEA
11h 25m1 stop
Southwest Logo
05:55 - 15:55SEA-LGA
7h 00m1 stop
$388Southwest
Find Deal
Thu, 18 Sep - Sat, 27 Sep
Delta Logo
09:59 - 16:14LGA-SEA
9h 15m1 stop
Delta Logo
13:45 - 23:47SEA-LGA
7h 02m1 stop
$396Delta
Find Deal
Tue, 16 Sep - Mon, 8 Dec
United Airlines Logo
17:19 - 22:20LGA-SEA
8h 01m1 stop
United Airlines Logo
23:58 - 12:36SEA-LGA
9h 38m1 stop
$404United Airlines
Find Deal
Mon, 8 Sep - Sat, 13 Sep
Delta Logo
17:50 - 22:16LGA-SEA
7h 26m1 stop
Delta Logo
06:00 - 16:59SEA-LGA
7h 59m1 stop
$411Delta
Find Deal
Sat, 20 Sep - Tue, 30 Sep
United Airlines Logo
13:18 - 18:49LGA-SEA
8h 31m1 stop
United Airlines Logo
23:40 - 12:14SEA-LGA
9h 34m1 stop
$438United Airlines
Find Deal
Wed, 1 Oct - Sun, 5 Oct

Southwest flights from New York LaGuardia Airport to Seattle

Our best Southwest deals on New York LaGuardia Airport to Seattle flight tickets
Southwest
18 Sept
LGA15:40New York LaGuardia
11h 25m
1 stop
SEA00:05Seattle/Tacoma Intl
20 Sept
SEA05:55Seattle/Tacoma Intl
8h 45m
1 stop
LGA17:40New York LaGuardia
$311
Find similar
Southwest
25 Sept
LGA18:15New York LaGuardia
8h 50m
1 stop
SEA00:05Seattle/Tacoma Intl
27 Sept
SEA05:00Seattle/Tacoma Intl
10h 15m
1 stop
LGA18:15New York LaGuardia
$381
Find similar
Southwest
16 Sept
LGA17:50New York LaGuardia
8h 45m
1 stop
SEA23:35Seattle/Tacoma Intl
20 Sept
SEA05:55Seattle/Tacoma Intl
8h 45m
1 stop
LGA17:40New York LaGuardia
$385
Find similar

Delta flights from New York LaGuardia Airport to Seattle

Our best Delta deals on New York LaGuardia Airport to Seattle flight tickets
Delta
16 Sept
LGA18:00New York LaGuardia
8h 54m
1 stop
SEA23:54Seattle/Tacoma Intl
24 Sept
SEA06:00Seattle/Tacoma Intl
7h 42m
1 stop
LGA16:42New York LaGuardia
$334
Find similar
Delta
16 Sept
LGA09:59New York LaGuardia
9h 15m
1 stop
SEA16:14Seattle/Tacoma Intl
8 Dec
SEA13:45Seattle/Tacoma Intl
7h 02m
1 stop
LGA23:47New York LaGuardia
$396
Find similar
Delta
20 Sept
LGA17:50New York LaGuardia
7h 26m
1 stop
SEA22:16Seattle/Tacoma Intl
23 Sept
SEA06:00Seattle/Tacoma Intl
7h 59m
1 stop
LGA16:59New York LaGuardia
$411
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from New York LaGuardia Airport 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 28 August 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 18/9

15:40-00:05

1 stop11h 25m

Seattle/Tacoma Intl

Sat 20/9

05:55-17:40

1 stop8h 45m

$311

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 16/9

18:00-23:54

1 stop8h 54m

Seattle/Tacoma Intl

Wed 24/9

06:00-16:42

1 stop7h 42m

$334

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 9/9

10:20-15:32

1 stop8h 12m

Seattle/Tacoma Intl

Tue 16/9

07:00-18:17

1 stop8h 17m

$365

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 25/9

18:15-00:05

1 stop8h 50m

Seattle/Tacoma Intl

Sat 27/9

05:00-18:15

1 stop10h 15m

$381

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 16/9

17:50-23:35

1 stop8h 45m

Seattle/Tacoma Intl

Sat 20/9

05:55-17:40

1 stop8h 45m

$385

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 18/9

15:40-00:05

1 stop11h 25m

Seattle/Tacoma Intl

Sat 27/9

05:55-15:55

1 stop7h 00m

$388

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 16/9

09:59-16:14

1 stop9h 15m

Seattle/Tacoma Intl

Mon 8/12

13:45-23:47

1 stop7h 02m

$396

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Mon 8/9

17:19-22:20

1 stop8h 01m

Seattle/Tacoma Intl

Sat 13/9

23:58-12:36

1 stop9h 38m

$404

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 20/9

17:50-22:16

1 stop7h 26m

Seattle/Tacoma Intl

Tue 30/9

06:00-16:59

1 stop7h 59m

$411

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 1/10

13:18-18:49

1 stop8h 31m

Seattle/Tacoma Intl

Sun 5/10

23:40-12:14

1 stop9h 34m

$438

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from New York LaGuardia Airport 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?

The month of October is, on average, the cheapest month to fly to Seattle from New York LaGuardia Airport, with most prices found around $394. If you are unable to visit Seattle during the month of October, then departing from New York LaGuardia Airport during the month January is also very affordable. Most momondo users find prices during this month for around $456.

What is the cheapest day to depart on your flight to Seattle?

The cheapest day to depart from New York LaGuardia Airport to Seattle is on a Friday. Travellers who choose to depart for Seattle on a Friday will often find tickets for as low as $619. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from New York LaGuardia Airport to Seattle for around $920.

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 New York LaGuardia Airport to Seattle in the afternoon for as low as $828. 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 morning when prices are around $868.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from New York LaGuardia Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $671 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 New York LaGuardia Airport for as low as $454 on momondo.

How have New York LaGuardia Airport to Seattle flight prices changed over time?

As of August 2025, prices for New York LaGuardia Airport to Seattle flights are approximately 28% cheaper when compared to flights at the same time last year.

When to book flights from New York LaGuardia Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from New York LaGuardia Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap New York LaGuardia Airport to Seattle (LGA to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Seattle

Direct flights

None
There are no direct flights from New York LaGuardia Airport to Seattle. There are no popular flight routes from New York LaGuardia Airport to Seattle.
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  • How far is New York LaGuardia to Seattle/Tacoma Intl by plane?

    The straight-line distance from New York LaGuardia to Seattle/Tacoma Intl is 3869.9 km. A reasonable flight in good conditions will take 7h 26m.

  • When did momondo last update prices for flights from New York LaGuardia Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from New York LaGuardia Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How old do you have to be to fly from New York LaGuardia Airport to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New York LaGuardia Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from New York LaGuardia Airport to Seattle?

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 New York to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from New York to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from New York to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from New York which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from New York to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from New York. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from New York to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from New York are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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