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Cheap flights from New York LaGuardia Airport to Seattle from C$ 171

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 28/10. 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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Find the cheapest flights from New York LaGuardia Airport to Seattle

Cheap round-trip flights

Delta Logo
12:52 p.m. - 8:20 p.m.LGA-SEA
10h 28m1 stop
Delta Logo
6:10 a.m. - 7:07 p.m.SEA-LGA
9h 57m1 stop
C$ 355Delta
Find Deal
Wed, 3 Sep - Sat, 6 Sep
Delta Logo
4:00 p.m. - 11:59 p.m.LGA-SEA
10h 59m1 stop
Delta Logo
6:00 a.m. - 4:49 p.m.SEA-LGA
7h 49m1 stop
C$ 361Delta
Find Deal
Mon, 18 Aug - Wed, 3 Sep
Delta Logo
4:59 p.m. - 10:06 p.m.LGA-SEA
8h 07m1 stop
Delta Logo
11:11 p.m. - 8:46 a.m.SEA-LGA
6h 35m1 stop
C$ 368Delta
Find Deal
Wed, 24 Sep - Mon, 29 Sep
United Airlines Logo
11:15 a.m. - 6:52 p.m.LGA-SEA
10h 37m1 stop
United Airlines Logo
11:59 p.m. - 10:07 a.m.SEA-LGA
7h 08m1 stop
C$ 375United Airlines
Find Deal
Thu, 30 Oct - Sun, 2 Nov
Delta Logo
6:29 p.m. - 11:43 p.m.LGA-SEA
8h 14m1 stop
Delta Logo
6:00 a.m. - 3:52 p.m.SEA-LGA
6h 52m1 stop
C$ 382Delta
Find Deal
Fri, 19 Sep - Wed, 24 Sep
Southwest Logo
5:50 p.m. - 11:35 p.m.LGA-SEA
8h 45m1 stop
Southwest Logo
6:45 a.m. - 9:30 p.m.SEA-LGA
11h 45m2 stops
C$ 389Southwest
Find Deal
Tue, 2 Sep - Tue, 9 Sep
United Airlines Logo
6:00 a.m. - 12:47 p.m.LGA-SEA
9h 47m1 stop
United Airlines Logo
11:59 p.m. - 10:07 a.m.SEA-LGA
7h 08m1 stop
C$ 395United Airlines
Find Deal
Sat, 1 Nov - Thu, 6 Nov
Southwest Logo
6:15 a.m. - 9:45 p.m.LGA-SEA
18h 30m2 stops
Southwest Logo
5:00 a.m. - 6:15 p.m.SEA-LGA
10h 15m1 stop
C$ 397Southwest
Find Deal
Thu, 4 Sep - Sat, 6 Sep
United Airlines Logo
6:25 a.m. - 11:31 a.m.LGA-SEA
8h 06m1 stop
United Airlines Logo
7:00 a.m. - 6:17 p.m.SEA-LGA
8h 17m1 stop
C$ 400United Airlines
Find Deal
Tue, 19 Aug - Tue, 26 Aug
Southwest Logo
2:10 p.m. - 10:50 p.m.LGA-SEA
11h 40m2 stops
Southwest Logo
5:15 a.m. - 6:10 p.m.SEA-LGA
9h 55m1 stop
C$ 403Southwest
Find Deal
Tue, 16 Sep - Thu, 2 Oct

Southwest flights from New York LaGuardia Airport to Seattle

Our best Southwest deals on New York LaGuardia Airport to Seattle flight tickets
Southwest
2 Sep
LGA5:50 p.m.New York LaGuardia
8h 45m
1 stop
SEA11:35 p.m.Seattle/Tacoma Intl
9 Sep
SEA6:45 a.m.Seattle/Tacoma Intl
11h 45m
2 stops
LGA9:30 p.m.New York LaGuardia
C$ 389
Find similar
Southwest
4 Sep
LGA6:15 a.m.New York LaGuardia
18h 30m
2 stops
SEA9:45 p.m.Seattle/Tacoma Intl
6 Sep
SEA5:00 a.m.Seattle/Tacoma Intl
10h 15m
1 stop
LGA6:15 p.m.New York LaGuardia
C$ 397
Find similar
Southwest
16 Sep
LGA2:10 p.m.New York LaGuardia
11h 40m
2 stops
SEA10:50 p.m.Seattle/Tacoma Intl
2 Oct
SEA5:15 a.m.Seattle/Tacoma Intl
9h 55m
1 stop
LGA6:10 p.m.New York LaGuardia
C$ 403
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
3 Sep
LGA12:52 p.m.New York LaGuardia
10h 28m
1 stop
SEA8:20 p.m.Seattle/Tacoma Intl
6 Sep
SEA6:10 a.m.Seattle/Tacoma Intl
9h 57m
1 stop
LGA7:07 p.m.New York LaGuardia
C$ 354
Find similar
Delta
18 Aug
LGA4:00 p.m.New York LaGuardia
10h 59m
1 stop
SEA11:59 p.m.Seattle/Tacoma Intl
3 Sep
SEA6:00 a.m.Seattle/Tacoma Intl
7h 49m
1 stop
LGA4:49 p.m.New York LaGuardia
C$ 361
Find similar
Delta
24 Sep
LGA4:59 p.m.New York LaGuardia
8h 07m
1 stop
SEA10:06 p.m.Seattle/Tacoma Intl
29 Sep
SEA11:11 p.m.Seattle/Tacoma Intl
6h 35m
1 stop
LGA8:46 a.m.New York LaGuardia
C$ 368
Find similar

momondo Fare Finder

 
Customize 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 96,600 searches. Data last updated 31 July 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

Wed 3/9

12:52 p.m.-8:20 p.m.

1 stop10h 28m

Seattle/Tacoma Intl

Sat 6/9

6:10 a.m.-7:07 p.m.

1 stop9h 57m

C$ 354

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Mon 18/8

4:00 p.m.-11:59 p.m.

1 stop10h 59m

Seattle/Tacoma Intl

Wed 3/9

6:00 a.m.-4:49 p.m.

1 stop7h 49m

C$ 361

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 24/9

4:59 p.m.-10:06 p.m.

1 stop8h 07m

Seattle/Tacoma Intl

Mon 29/9

11:11 p.m.-8:46 a.m.

1 stop6h 35m

C$ 368

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 30/10

11:15 a.m.-6:52 p.m.

1 stop10h 37m

Seattle/Tacoma Intl

Sun 2/11

11:59 p.m.-10:07 a.m.

1 stop7h 08m

C$ 375

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Fri 19/9

6:29 p.m.-11:43 p.m.

1 stop8h 14m

Seattle/Tacoma Intl

Wed 24/9

6:00 a.m.-3:52 p.m.

1 stop6h 52m

C$ 382

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 2/9

5:50 p.m.-11:35 p.m.

1 stop8h 45m

Seattle/Tacoma Intl

Tue 9/9

6:45 a.m.-9:30 p.m.

2 stops11h 45m

C$ 389

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 1/11

6:00 a.m.-12:47 p.m.

1 stop9h 47m

Seattle/Tacoma Intl

Thu 6/11

11:59 p.m.-10:07 a.m.

1 stop7h 08m

C$ 394

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 4/9

6:15 a.m.-9:45 p.m.

2 stops18h 30m

Seattle/Tacoma Intl

Sat 6/9

5:00 a.m.-6:15 p.m.

1 stop10h 15m

C$ 397

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 19/8

6:25 a.m.-11:31 a.m.

1 stop8h 06m

Seattle/Tacoma Intl

Tue 26/8

7:00 a.m.-6:17 p.m.

1 stop8h 17m

C$ 400

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 16/9

2:10 p.m.-10:50 p.m.

2 stops11h 40m

Seattle/Tacoma Intl

Thu 2/10

5:15 a.m.-6:10 p.m.

1 stop9h 55m

C$ 403

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 October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 394.

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

Our data shows that Tuesday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 393. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 872. 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$ 728. Flights in the evening are often more expensive with an average ticket price of C$ 829.

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 C$ 595 when searching weeks out. 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 C$ 407 on momondo.

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

As of July 2025, prices for New York LaGuardia Airport to Seattle flights are approximately 4% 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 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$ 171

Fastest flight time

7h 28m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from New York LaGuardia Airport in the past 72 hours is C$ 171. The best round-trip flight deal from New York LaGuardia Airport to Seattle found on momondo in the last 72 hours is C$ 354.
The fastest flight from New York LaGuardia Airport to Seattle takes 7h 28m
There are no direct flights from New York LaGuardia Airport to Seattle. Popular non-direct route for this connection is New York LaGuardia Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
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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 28m.

  • 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.

  • 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
Marysville
Lynnwood
SeaTac
Tacoma
Olympia
Ellensburg
Kirkland
Redmond
Ocean Shores
Shoreline
Tukwila
Renton
Mukilteo
Gig Harbor
Cle Elum
Poulsbo
Puyallup
Centralia
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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