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Cheap flights from New York LaGuardia Airport to Seattle from C$ 263

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from New York LaGuardia Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:25 p.m. - 10:39 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
10h 14m1 stop Chicago O'Hare Intl
United Airlines Logo
11:50 p.m. - 10:08 a.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 18m1 stop Chicago O'Hare Intl
C$ 483United Airlines
Mon, 8 Feb - Sat, 13 Feb
Southwest Logo
7:00 a.m. - 5:50 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
13h 50m2 stops Nashville Intl Denver Intl
Southwest Logo
11:20 a.m. - 10:10 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 50m1 stop Chicago Midway
C$ 484Southwest
Thu, 3 Dec - Mon, 7 Dec
United Airlines Logo
2:59 p.m. - 8:37 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
8h 38m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
11:14 p.m. - 9:44 a.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 30m1 stop Washington, D.C. Dulles Intl
C$ 487United Airlines
Sat, 10 Oct - Tue, 13 Oct
United Airlines Logo
2:59 p.m. - 8:37 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
8h 38m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
11:13 p.m. - 9:15 a.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 02m1 stop Chicago O'Hare Intl
C$ 488United Airlines
Sat, 10 Oct - Tue, 20 Oct
United Airlines Logo
6:00 a.m. - 1:20 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
10h 20m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
7:00 a.m. - 5:09 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 09m1 stop Chicago O'Hare Intl
C$ 491United Airlines
Sun, 17 Jan - Sat, 23 Jan
Southwest Logo
9:50 a.m. - 6:30 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
11h 40m2 stops Nashville Intl Denver Intl
Southwest Logo
10:40 a.m. - 11:10 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
9h 30m1 stop Denver Intl
C$ 493Southwest
Sat, 31 Oct - Sat, 7 Nov
United Airlines Logo
6:05 a.m. - 12:19 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
9h 14m1 stop Chicago O'Hare Intl
United Airlines Logo
10:56 p.m. - 9:09 a.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 13m1 stop Chicago O'Hare Intl
C$ 495United Airlines
Wed, 28 Oct - Sun, 1 Nov
Southwest Logo
9:50 a.m. - 6:30 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
11h 40m2 stops Nashville Intl Denver Intl
Southwest Logo
6:45 a.m. - 8:30 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
10h 45m2 stops Denver Intl Lambert-St Louis
C$ 500Southwest
Sat, 31 Oct - Sat, 7 Nov
Southwest Logo
1:30 p.m. - 10:40 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
12h 10m2 stops Nashville Intl Denver Intl
Southwest Logo
9:00 a.m. - 10:50 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
10h 50m1 stop Denver Intl
C$ 501Southwest
Tue, 20 Oct - Wed, 21 Oct
United Airlines Logo
2:32 p.m. - 10:39 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
11h 07m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
United Airlines Logo
7:00 a.m. - 5:09 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 09m1 stop Chicago O'Hare Intl
C$ 502United Airlines
Wed, 3 Feb - Sun, 7 Feb

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Southwest flights from New York LaGuardia Airport to Seattle

Our best Southwest deals on New York LaGuardia Airport to Seattle flight tickets
Southwest
3 Dec
LGA7:00 a.m.New York LaGuardia
13h 50m
2 stops
SEA5:50 p.m.Seattle/Tacoma Intl
7 Dec
SEA11:20 a.m.Seattle/Tacoma Intl
7h 50m
1 stop
LGA10:10 p.m.New York LaGuardia
C$ 484
Southwest
31 Oct
LGA9:50 a.m.New York LaGuardia
11h 40m
2 stops
SEA6:30 p.m.Seattle/Tacoma Intl
7 Nov
SEA10:40 a.m.Seattle/Tacoma Intl
9h 30m
1 stop
LGA11:10 p.m.New York LaGuardia
C$ 493
Southwest
31 Oct
LGA9:50 a.m.New York LaGuardia
11h 40m
2 stops
SEA6:30 p.m.Seattle/Tacoma Intl
7 Nov
SEA6:45 a.m.Seattle/Tacoma Intl
10h 45m
2 stops
LGA8:30 p.m.New York LaGuardia
C$ 500

United Airlines flights from New York LaGuardia Airport to Seattle

Our best United Airlines deals on New York LaGuardia Airport to Seattle flight tickets
United Airlines
8 Feb
LGA3:25 p.m.New York LaGuardia
10h 14m
1 stop
SEA10:39 p.m.Seattle/Tacoma Intl
13 Feb
SEA11:50 p.m.Seattle/Tacoma Intl
7h 18m
1 stop
LGA10:08 a.m.New York LaGuardia
C$ 483
United Airlines
10 Oct
LGA2:59 p.m.New York LaGuardia
8h 38m
1 stop
SEA8:37 p.m.Seattle/Tacoma Intl
13 Oct
SEA11:14 p.m.Seattle/Tacoma Intl
7h 30m
1 stop
LGA9:44 a.m.New York LaGuardia
C$ 487
United Airlines
10 Oct
LGA2:59 p.m.New York LaGuardia
8h 38m
1 stop
SEA8:37 p.m.Seattle/Tacoma Intl
20 Oct
SEA11:13 p.m.Seattle/Tacoma Intl
7h 02m
1 stop
LGA9:15 a.m.New York LaGuardia
C$ 488

momondo Fare Finder

 
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

Cheapest round-trip

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Mon 8/2

3:25 p.m.-10:39 p.m.

1 stop10h 14m

Seattle/Tacoma Intl

Sat 13/2

11:50 p.m.-10:08 a.m.

1 stop7h 18m

C$ 483

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Thu 3/12

7:00 a.m.-5:50 p.m.

2 stops13h 50m

Seattle/Tacoma Intl

Mon 7/12

11:20 a.m.-10:10 p.m.

1 stop7h 50m

C$ 484

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sat 10/10

2:59 p.m.-8:37 p.m.

1 stop8h 38m

Seattle/Tacoma Intl

Tue 13/10

11:14 p.m.-9:44 a.m.

1 stop7h 30m

C$ 487
Quickest round-trip

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sat 10/10

2:59 p.m.-8:37 p.m.

1 stop8h 38m

Seattle/Tacoma Intl

Tue 20/10

11:13 p.m.-9:15 a.m.

1 stop7h 02m

C$ 488

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sun 17/1

6:00 a.m.-1:20 p.m.

2 stops10h 20m

Seattle/Tacoma Intl

Sat 23/1

7:00 a.m.-5:09 p.m.

1 stop7h 09m

C$ 491

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sat 31/10

9:50 a.m.-6:30 p.m.

2 stops11h 40m

Seattle/Tacoma Intl

Sat 7/11

10:40 a.m.-11:10 p.m.

1 stop9h 30m

C$ 493

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Wed 28/10

6:05 a.m.-12:19 p.m.

1 stop9h 14m

Seattle/Tacoma Intl

Sun 1/11

10:56 p.m.-9:09 a.m.

1 stop7h 13m

C$ 495

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sat 31/10

9:50 a.m.-6:30 p.m.

2 stops11h 40m

Seattle/Tacoma Intl

Sat 7/11

6:45 a.m.-8:30 p.m.

2 stops10h 45m

C$ 500

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Tue 20/10

1:30 p.m.-10:40 p.m.

2 stops12h 10m

Seattle/Tacoma Intl

Wed 21/10

9:00 a.m.-10:50 p.m.

1 stop10h 50m

C$ 501

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Wed 3/2

2:32 p.m.-10:39 p.m.

2 stops11h 07m

Seattle/Tacoma Intl

Sun 7/2

7:00 a.m.-5:09 p.m.

1 stop7h 09m

C$ 502

Flights are sorted by cheapest round-trip 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 typical price of a round-trip flight between New York LaGuardia Airport and Seattle?

Prices are currently typical for flights on this route.

Typical prices usually range from C$ 392 to C$ 621.
The lowest price recently found on this route was C$ 483.

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of December, then flying in November is also cheap. Prices for this month can be found on momondo for an average of C$ 372.

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

Our data shows that Thursday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 582. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 954. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

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

Our most recent data shows that the best time of day to fly to Seattle is in the afternoon. Flights from New York LaGuardia Airport to Seattle during this time can be as low as C$ 726. Flights in the morning are often more expensive with an average ticket price of C$ 805.

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

As of September 2026, prices for New York LaGuardia Airport to Seattle flights are approximately 100% more expensive 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 round-trip 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

Best price found

C$ 263

Fastest flight time

8h 27m

Direct flights

None
The best one-way flight to Seattle from New York LaGuardia Airport in the past 72 hours is C$ 263. The best round-trip flight deal from New York LaGuardia Airport to Seattle found on momondo in the last 72 hours is C$ 483.
The fastest flight from New York LaGuardia Airport to Seattle takes 8h 27m
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.
Search flight deals

Frequently asked questions about flying from New York LaGuardia Airport to Seattle

  • 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 8h 27m.

  • 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 are refreshed on a daily basis.

  • 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 travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Lynnwood
SeaTac
Kirkland
Redmond
Tacoma
Marysville
Tukwila
Olympia
Woodinville
Puyallup
Bainbridge Island
Ellensburg
Edmonds
Chehalis
Fife
Renton
Shoreline
Ocean Shores
Lakewood

Why use momondo?

Why should I use momondo to find a flight deal from New York to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from New York to Seattle for you.

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

Yes. momondo allows you to filter the results for New York to Seattle flights to just show those with flexible booking policies.

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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