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Cheap flights from Seattle to New York from C$ 165

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to New York departing on 25/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Southwest Logo
9:55 a.m. - 10:40 p.m.SEA-LGA
9h 45m1 stop
Southwest Logo
6:00 a.m. - 1:15 p.m.LGA-SEA
10h 15m1 stop
C$ 255Southwest
Find Deal
Wed, 18 Feb - Tue, 24 Feb
Southwest Logo
6:05 a.m. - 8:00 p.m.SEA-LGA
10h 55m2 stops
Southwest Logo
6:00 a.m. - 1:15 p.m.LGA-SEA
10h 15m1 stop
C$ 262Southwest
Find Deal
Wed, 18 Feb - Tue, 24 Feb
Southwest Logo
5:55 a.m. - 5:40 p.m.SEA-LGA
8h 45m1 stop
Southwest Logo
7:20 a.m. - 1:40 p.m.LGA-SEA
9h 20m1 stop
C$ 263Southwest
Find Deal
Sat, 27 Sep - Tue, 30 Sep
Southwest Logo
5:35 a.m. - 4:10 p.m.SEA-LGA
7h 35m1 stop
Southwest Logo
11:40 a.m. - 7:50 p.m.LGA-SEA
11h 10m2 stops
C$ 269Southwest
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Wed, 1 Oct - Tue, 7 Oct
Southwest Logo
11:10 p.m. - 9:00 a.m.SEA-LGA
6h 50m1 stop
Southwest Logo
6:00 a.m. - 11:10 a.m.LGA-SEA
8h 10m1 stop
C$ 270Southwest
Find Deal
Tue, 23 Sep - Tue, 30 Sep
United Airlines Logo
11:40 p.m. - 10:16 a.m.SEA-LGA
7h 36m1 stop
United Airlines Logo
3:27 p.m. - 9:34 p.m.LGA-SEA
9h 07m1 stop
C$ 294United Airlines
Find Deal
Fri, 26 Sep - Wed, 1 Oct
United Airlines Logo
5:00 a.m. - 5:17 p.m.SEA-LGA
9h 17m2 stops
United Airlines Logo
3:27 p.m. - 9:34 p.m.LGA-SEA
9h 07m1 stop
C$ 302United Airlines
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Sat, 4 Oct - Sun, 5 Oct
Delta Logo
6:00 a.m. - 4:59 p.m.SEA-LGA
7h 59m1 stop
Delta Logo
6:29 p.m. - 11:43 p.m.LGA-SEA
8h 14m1 stop
C$ 328Delta
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Tue, 30 Sep - Fri, 3 Oct
Delta Logo
6:00 a.m. - 7:15 p.m.SEA-LGA
10h 15m1 stop
Delta Logo
6:00 a.m. - 10:45 a.m.LGA-SEA
7h 45m1 stop
C$ 356Delta
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Tue, 23 Sep - Tue, 30 Sep
Frontier Logo
8:43 p.m. - 10:00 p.m.SEA-LGA
22h 17m1 stop
Frontier Logo
10:55 p.m. - 12:07 p.m.LGA-SEA
16h 12m1 stop
C$ 392Frontier
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Fri, 10 Oct - Tue, 14 Oct

United Airlines flights from Seattle to New York LaGuardia Airport

Our best United Airlines deals on Seattle to New York LaGuardia Airport flight tickets
United Airlines
26 Sep
SEA11:40 p.m.Seattle/Tacoma Intl
7h 36m
1 stop
LGA10:16 a.m.New York LaGuardia
1 Oct
LGA3:27 p.m.New York LaGuardia
9h 07m
1 stop
SEA9:34 p.m.Seattle/Tacoma Intl
C$ 294
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United Airlines
4 Oct
SEA5:00 a.m.Seattle/Tacoma Intl
9h 17m
2 stops
LGA5:17 p.m.New York LaGuardia
5 Oct
LGA3:27 p.m.New York LaGuardia
9h 07m
1 stop
SEA9:34 p.m.Seattle/Tacoma Intl
C$ 302
Find similar
United Airlines
5 Oct
SEA7:00 a.m.Seattle/Tacoma Intl
7h 17m
1 stop
LGA5:17 p.m.New York LaGuardia
9 Oct
LGA3:27 p.m.New York LaGuardia
9h 07m
1 stop
SEA9:34 p.m.Seattle/Tacoma Intl
C$ 308
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Frontier flights from Seattle to New York LaGuardia Airport

Our best Frontier deals on Seattle to New York LaGuardia Airport flight tickets
Frontier
10 Oct
SEA8:43 p.m.Seattle/Tacoma Intl
22h 17m
1 stop
LGA10:00 p.m.New York LaGuardia
14 Oct
LGA10:55 p.m.New York LaGuardia
16h 12m
1 stop
SEA12:07 p.m.Seattle/Tacoma Intl
C$ 392
Find similar
Frontier
13 Sep
SEA7:00 a.m.Seattle/Tacoma Intl
12h 11m
1 stop
LGA10:11 p.m.New York LaGuardia
21 Sep
LGA10:56 p.m.New York LaGuardia
16h 56m
2 stops
SEA12:52 p.m.Seattle/Tacoma Intl
C$ 434
Find similar
Frontier
19 Sep
SEA6:12 a.m.Seattle/Tacoma Intl
12h 59m
1 stop
LGA10:11 p.m.New York LaGuardia
21 Sep
LGA10:56 p.m.New York LaGuardia
28h 34m
1 stop
SEA12:30 a.m.Seattle/Tacoma Intl
C$ 526
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momondo Fare Finder

 
Customize your flight search to find flights from Seattle to New York LaGuardia Airport 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 11 September 2025.
Use the filters below to find and compare flights from Seattle to New York LaGuardia Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Wed 18/2

9:55 a.m.-10:40 p.m.

1 stop9h 45m

New York LaGuardia

Tue 24/2

6:00 a.m.-1:15 p.m.

1 stop10h 15m

C$ 255

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Wed 18/2

6:05 a.m.-8:00 p.m.

2 stops10h 55m

New York LaGuardia

Tue 24/2

6:00 a.m.-1:15 p.m.

1 stop10h 15m

C$ 262

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Sat 27/9

5:55 a.m.-5:40 p.m.

1 stop8h 45m

New York LaGuardia

Tue 30/9

7:20 a.m.-1:40 p.m.

1 stop9h 20m

C$ 263

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Wed 1/10

5:35 a.m.-4:10 p.m.

1 stop7h 35m

New York LaGuardia

Tue 7/10

11:40 a.m.-7:50 p.m.

2 stops11h 10m

C$ 269

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Tue 23/9

11:10 p.m.-9:00 a.m.

1 stop6h 50m

New York LaGuardia

Tue 30/9

6:00 a.m.-11:10 a.m.

1 stop8h 10m

C$ 270

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Fri 26/9

11:40 p.m.-10:16 a.m.

1 stop7h 36m

New York LaGuardia

Wed 1/10

3:27 p.m.-9:34 p.m.

1 stop9h 07m

C$ 294

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Sat 4/10

5:00 a.m.-5:17 p.m.

2 stops9h 17m

New York LaGuardia

Sun 5/10

3:27 p.m.-9:34 p.m.

1 stop9h 07m

C$ 302

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Tue 30/9

6:00 a.m.-4:59 p.m.

1 stop7h 59m

New York LaGuardia

Fri 3/10

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

1 stop8h 14m

C$ 328

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Tue 23/9

6:00 a.m.-7:15 p.m.

1 stop10h 15m

New York LaGuardia

Tue 30/9

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

1 stop7h 45m

C$ 356

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Fri 10/10

8:43 p.m.-10:00 p.m.

1 stop22h 17m

New York LaGuardia

Tue 14/10

10:55 p.m.-12:07 p.m.

1 stop16h 12m

C$ 392

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 New York from

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

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 New York LaGuardia Airport?

In general, September is the cheapest month to fly from Seattle to New York LaGuardia Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 410. If you don’t want to visit New York LaGuardia Airport in September, then you should wait until January to fly from Seattle, when ticket prices are also cheap, with an average price of C$ 424.

How far in advance should I book a flight to New York LaGuardia Airport?

You are more likely to see cheaper flights to New York LaGuardia Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to New York LaGuardia Airport for around C$ 566 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New York LaGuardia Airport from Seattle for as low as C$ 398 on momondo.

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

As of September 2025, prices for Seattle to New York LaGuardia Airport flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to New York LaGuardia Airport

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

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

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

Direct flights

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

    New York LaGuardia is 3869.9 km away from Seattle/Tacoma Intl. Typically, this will take 6h 35m by plane in normal conditions.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to New York LaGuardia Airport.

  • What documentation or ID do you need to fly to New York LaGuardia Airport?

    The travel and health documents you'll need for your trip to New York LaGuardia 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 New York LaGuardia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Queens
Secaucus
Carlstadt
North Bergen
Rahway
Staten Island
Fort Lee
Parsippany
Paramus
West Orange
Middletown
Goshen
Wayne
Weehawken
Clark
Bronx
South Plainfield
Monmouth Junction
Carteret
Tarrytown

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to New York from Seattle.

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

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

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

momondo helps you find the best flight between Seattle and New York by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Seattle to New York flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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