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Cheap flights from New York LaGuardia Airport to Seattle from C$ 264

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
1:10 p.m. - 6:46 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
8h 36m1 stop Chicago O'Hare Intl
United Airlines Logo
7:00 a.m. - 5:15 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 15m1 stop Chicago O'Hare Intl
C$ 513United Airlines
Fri, 11 Dec - Mon, 14 Dec
United Airlines Logo
4:23 p.m. - 10:43 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
9h 20m1 stop Chicago O'Hare Intl
United Airlines Logo
5:05 a.m. - 5:15 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
9h 10m2 stops Denver Intl Chicago O'Hare Intl
C$ 520United Airlines
Thu, 3 Dec - Tue, 8 Dec
United Airlines Logo
10:00 a.m. - 4:19 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
9h 19m1 stop Chicago O'Hare Intl
United Airlines Logo
7:00 a.m. - 5:15 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 15m1 stop Chicago O'Hare Intl
C$ 533United Airlines
Thu, 26 Nov - Wed, 2 Dec
Delta Logo
12:55 p.m. - 10:03 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
12h 08m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:00 a.m. - 7:44 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
10h 44m1 stop Detroit Metropolitan Wayne County
C$ 538Delta
Sat, 5 Dec - Wed, 9 Dec
Delta Logo
6:00 a.m. - 10:03 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
19h 03m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:00 a.m. - 5:18 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
8h 18m1 stop Minneapolis St Paul
C$ 547Delta
Wed, 16 Dec - Wed, 6 Jan
United Airlines Logo
3:20 p.m. - 9:19 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
8h 59m1 stop Denver 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$ 548United Airlines
Sat, 14 Nov - Sat, 21 Nov
Delta Logo
7:15 a.m. - 10:03 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
17h 48m1 stop Detroit Metropolitan Wayne County
Delta Logo
11:15 p.m. - 3:52 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
13h 37m1 stop Detroit Metropolitan Wayne County
C$ 552Delta
Fri, 4 Dec - Sun, 6 Dec
Delta Logo
6:00 a.m. - 10:45 a.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
7h 45m1 stop Minneapolis St Paul
Delta Logo
1:36 p.m. - 11:26 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
6h 50m1 stop Detroit Metropolitan Wayne County
C$ 555Delta
Tue, 1 Dec - Wed, 9 Dec
Southwest Logo
9:35 a.m. - 5:40 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
11h 05m1 stop Denver Intl
Southwest Logo
8:10 a.m. - 10:35 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
11h 25m2 stops Phoenix Sky Harbor Intl Denver Intl
C$ 562Southwest
Tue, 19 Jan - Sat, 23 Jan
Delta Logo
12:55 p.m. - 10:03 p.m.LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
12h 08m1 stop Detroit Metropolitan Wayne County
Delta Logo
9:50 a.m. - 11:26 p.m.SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
10h 36m1 stop Detroit Metropolitan Wayne County
C$ 566Delta
Thu, 10 Dec - Sat, 12 Dec

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Delta flights from New York LaGuardia Airport to Seattle

Our best Delta deals on New York LaGuardia Airport to Seattle flight tickets
Delta
5 Dec
LGA12:55 p.m.New York LaGuardia
12h 08m
1 stop
SEA10:03 p.m.Seattle/Tacoma Intl
9 Dec
SEA6:00 a.m.Seattle/Tacoma Intl
10h 44m
1 stop
LGA7:44 p.m.New York LaGuardia
C$ 538
Delta
16 Dec
LGA6:00 a.m.New York LaGuardia
19h 03m
1 stop
SEA10:03 p.m.Seattle/Tacoma Intl
12 Jan
SEA8:00 a.m.Seattle/Tacoma Intl
7h 40m
1 stop
LGA6:40 p.m.New York LaGuardia
C$ 547
Delta
4 Dec
LGA7:15 a.m.New York LaGuardia
17h 48m
1 stop
SEA10:03 p.m.Seattle/Tacoma Intl
6 Dec
SEA11:15 p.m.Seattle/Tacoma Intl
13h 37m
1 stop
LGA3:52 p.m.New York LaGuardia
C$ 552

Southwest flights from New York LaGuardia Airport to Seattle

Our best Southwest deals on New York LaGuardia Airport to Seattle flight tickets
Southwest
19 Jan
LGA9:35 a.m.New York LaGuardia
11h 05m
1 stop
SEA5:40 p.m.Seattle/Tacoma Intl
23 Jan
SEA8:10 a.m.Seattle/Tacoma Intl
11h 25m
2 stops
LGA10:35 p.m.New York LaGuardia
C$ 562
Southwest
19 Jan
LGA8:30 a.m.New York LaGuardia
12h 10m
2 stops
SEA5:40 p.m.Seattle/Tacoma Intl
23 Jan
SEA8:10 a.m.Seattle/Tacoma Intl
11h 25m
2 stops
LGA10:35 p.m.New York LaGuardia
C$ 569
Southwest
21 Jan
LGA1:25 p.m.New York LaGuardia
12h 30m
2 stops
SEA10:55 p.m.Seattle/Tacoma Intl
23 Jan
SEA8:10 a.m.Seattle/Tacoma Intl
11h 25m
2 stops
LGA10:35 p.m.New York LaGuardia
C$ 590

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

Fri 11/12

1:10 p.m.-6:46 p.m.

1 stop8h 36m

Seattle/Tacoma Intl

Mon 14/12

7:00 a.m.-5:15 p.m.

1 stop7h 15m

C$ 513

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Thu 3/12

4:23 p.m.-10:43 p.m.

1 stop9h 20m

Seattle/Tacoma Intl

Tue 8/12

5:05 a.m.-5:15 p.m.

2 stops9h 10m

C$ 520

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Thu 26/11

10:00 a.m.-4:19 p.m.

1 stop9h 19m

Seattle/Tacoma Intl

Wed 2/12

7:00 a.m.-5:15 p.m.

1 stop7h 15m

C$ 533

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sat 5/12

12:55 p.m.-10:03 p.m.

1 stop12h 08m

Seattle/Tacoma Intl

Wed 9/12

6:00 a.m.-7:44 p.m.

1 stop10h 44m

C$ 538

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Wed 16/12

6:00 a.m.-10:03 p.m.

1 stop19h 03m

Seattle/Tacoma Intl

Wed 6/1

6:00 a.m.-5:18 p.m.

1 stop8h 18m

C$ 547

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sat 14/11

3:20 p.m.-9:19 p.m.

1 stop8h 59m

Seattle/Tacoma Intl

Sat 21/11

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

1 stop7h 13m

C$ 548

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Fri 4/12

7:15 a.m.-10:03 p.m.

1 stop17h 48m

Seattle/Tacoma Intl

Sun 6/12

11:15 p.m.-3:52 p.m.

1 stop13h 37m

C$ 552
Quickest round-trip

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Tue 1/12

6:00 a.m.-10:45 a.m.

1 stop7h 45m

Seattle/Tacoma Intl

Wed 9/12

1:36 p.m.-11:26 p.m.

1 stop6h 50m

C$ 555

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Tue 19/1

9:35 a.m.-5:40 p.m.

1 stop11h 05m

Seattle/Tacoma Intl

Sat 23/1

8:10 a.m.-10:35 p.m.

2 stops11h 25m

C$ 562

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Thu 10/12

12:55 p.m.-10:03 p.m.

1 stop12h 08m

Seattle/Tacoma Intl

Sat 12/12

9:50 a.m.-11:26 p.m.

1 stop10h 36m

C$ 566

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 cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 414.

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

Our data shows that Friday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 726. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 891. 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 morning. Flights from New York LaGuardia Airport to Seattle during this time can be as low as C$ 736. Flights in the afternoon are often more expensive with an average ticket price of C$ 737.

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

As of November 2026, prices for New York LaGuardia Airport to Seattle flights are approximately 179% 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$ 264

Fastest flight time

9h 00m

Direct flights

None
The best one-way flight to Seattle from New York LaGuardia Airport in the past 72 hours is C$ 264. The best round-trip flight deal from New York LaGuardia Airport to Seattle found on momondo in the last 72 hours is C$ 513.
The fastest flight from New York LaGuardia Airport to Seattle takes 9h 00m
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 9h 00m.

  • 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
SeaTac
Leavenworth
Lynnwood
Kirkland
Tukwila
Tacoma
Redmond
Woodinville
Marysville
Puyallup
Bainbridge Island
Ellensburg
Chehalis
Fife
Lakewood
Renton
Centralia
Shoreline
Ocean Shores
Kent

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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