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Cheap flights from Seattle to New York LaGuardia Airport, NY from C$ 188

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGA
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to LaGuardia

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to LaGuardia
Explore the most affordable flight options available from Seattle to LaGuardia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 March 2026.

Tue 21/411:45 p.m.
SEA
-
LGA
1 stop9h 50m
Southwest
Tue 5/53:55 p.m.
LGA
-
SEA
1 stop11h 15m
Southwest
Deal found 12/3C$ 331
Tue 21/49:20 a.m.
SEA
-
LGA
2 stops10h 00m
Southwest
Tue 28/46:00 a.m.
LGA
-
SEA
1 stop9h 45m
Southwest
Deal found 11/3C$ 337
Sat 18/45:45 a.m.
SEA
-
LGA
1 stop7h 30m
Southwest
Sat 25/42:10 p.m.
LGA
-
SEA
1 stop9h 25m
Southwest
Deal found 11/3C$ 344
Wed 8/411:45 p.m.
SEA
-
LGA
1 stop8h 30m
Southwest
Wed 22/48:30 a.m.
LGA
-
SEA
2 stops18h 05m
Southwest
Deal found 10/3C$ 346
Tue 14/46:30 a.m.
SEA
-
LGA
2 stops9h 25m
Southwest
Wed 22/48:30 a.m.
LGA
-
SEA
2 stops18h 05m
Southwest
Deal found 11/3C$ 352
Sun 10/511:55 p.m.
SEA
-
LGA
1 stop8h 20m
Southwest
Tue 12/58:30 a.m.
LGA
-
SEA
2 stops18h 05m
Southwest
Deal found 11/3C$ 359
Wed 22/47:00 a.m.
SEA
-
LGA
1 stop7h 13m
United Airlines
Tue 28/49:10 a.m.
LGA
-
SEA
1 stop10h 27m
United Airlines
Deal found 10/3C$ 370
Wed 15/46:00 a.m.
SEA
-
LGA
1 stop6h 45m
Southwest
Tue 21/43:55 p.m.
LGA
-
SEA
1 stop11h 15m
Southwest
Deal found 10/3C$ 377

Find flight deals from Seattle to LaGuardia

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to LaGuardia (LGA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 March 2026.

Round-trip from

C$ 331

One-way from

C$ 188

Popular in

December

Cheapest in

January

Average price

C$ 464
Southwest
  • Southwest
  • 21/4-5/5
  • 2 total stops
  • 21h 05m total
  • Seattle to New York
Search Deals
Frontier
  • Frontier
  • 19/5
  • 2 total stops
  • 23h 10m total
  • Seattle to New York
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to LaGuardia 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, Cheapflights users made 629,999 searches. Data last updated 13 March 2026.
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

Cheapest round-trip

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Tue 21/4

6:00 a.m.-5:55 p.m.

1 stop8h 55m

New York LaGuardia

Tue 28/4

3:55 p.m.-12:10 a.m.

1 stop11h 15m

C$ 377

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Sat 18/4

9:00 a.m.-10:20 p.m.

2 stops10h 20m

New York LaGuardia

Sat 25/4

2:10 p.m.-8:35 p.m.

1 stop9h 25m

C$ 384

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Tue 28/4

7:00 a.m.-6:18 p.m.

1 stop8h 18m

New York LaGuardia

Mon 4/5

5:15 p.m.-10:47 p.m.

1 stop8h 32m

C$ 431
Quickest round-trip

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Fri 24/4

1:24 p.m.-11:21 p.m.

1 stop6h 57m

New York LaGuardia

Sun 3/5

6:05 a.m.-10:55 a.m.

1 stop7h 50m

C$ 457

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Wed 3/6

12:30 p.m.-11:25 p.m.

1 stop7h 55m

New York LaGuardia

Mon 8/6

2:55 p.m.-10:05 p.m.

1 stop10h 10m

C$ 458

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Mon 27/4

5:15 a.m.-3:50 p.m.

1 stop7h 35m

New York LaGuardia

Mon 4/5

4:40 p.m.-12:55 a.m.

2 stops11h 15m

C$ 484

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Wed 29/4

9:20 a.m.-10:20 p.m.

2 stops10h 00m

New York LaGuardia

Sun 3/5

3:25 p.m.-11:00 p.m.

2 stops10h 35m

C$ 494

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Tue 28/4

7:00 a.m.-8:18 p.m.

1 stop10h 18m

New York LaGuardia

Wed 29/4

2:49 p.m.-8:53 p.m.

1 stop9h 04m

C$ 513

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Sat 23/5

6:40 a.m.-10:15 p.m.

2 stops12h 35m

New York LaGuardia

Tue 2/6

3:55 p.m.-12:10 a.m.

1 stop11h 15m

C$ 533

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Tue 12/5

6:00 a.m.-3:45 p.m.

1 stop6h 45m

New York LaGuardia

Mon 18/5

3:00 p.m.-11:30 p.m.

2 stops11h 30m

C$ 540

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Seattle to LaGuardia

Have a flexible travel schedule? Discover the best time to fly to LaGuardia from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to New York LaGuardia Airport

How far ahead should I book a flight from Seattle to New York LaGuardia Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to LaGuardia. Price data was last updated on 6 March 2026.

The best time to book flights from Seattle to New York LaGuardia Airport is 17 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to New York LaGuardia Airport?

Currently, March is the cheapest month in which you can book a flight from Seattle to New York LaGuardia Airport (average of C$ 220). Flying from Seattle to New York LaGuardia Airport in June is currently the most expensive (average of C$ 439). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Seattle to LaGuardia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to New York LaGuardia?

    Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly out of when you book flights from Seattle to New York LaGuardia. 0 airlines have flights from Seattle/Tacoma Intl to New York LaGuardia on a regular basis. Booking flights from Seattle/Tacoma Intl to New York LaGuardia should not be difficult; the airport handles an average of 0 outbound flights to New York LaGuardia per day.

  • How long is the flight from Seattle to New York LaGuardia Airport?

    Airlines like Southwest fly from Seattle to New York LaGuardia Airport in about 9h 50m. The time it takes to get you to your destination can typically vary by up to . The distance from Seattle to New York LaGuardia Airport is about 3870 km.

  • Can I find deals for flights from Seattle to LaGuardia that include hotel bookings?

    Yes. In addition to deals on Seattle to LaGuardia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to LaGuardia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to LaGuardia.

  • Can I find deals for business class flights from Seattle to LaGuardia?

    Yes. Cheapflights offers flight deals from Seattle to LaGuardia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to New York LaGuardia Airport?

    Currently, March is the cheapest month in which you can book a flight from Seattle to New York LaGuardia Airport (average of C$ 220). Flying from Seattle to New York LaGuardia Airport in June is currently the most expensive (average of C$ 439). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near New York LaGuardia Airport?

Book flights to New York LaGuardia Airport if you plan to visit one of these locations
Queens
Carteret
Carlstadt
Rahway
East Rutherford
Paramus
Westbury
Secaucus
Plainview
Fort Lee
Yonkers
Staten Island
Bronx
New Brunswick
Hoboken
Teaneck
Stratford
Bordentown
Woodbridge
Hackensack

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to LaGuardia

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Newark flights
Seattle to John F Kennedy Intl flights
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Portland to Newark flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to LaGuardia?

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Why should you use Cheapflights to find cheap flight tickets from Seattle to LaGuardia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to LaGuardia.

Can Cheapflights find flights from Seattle to LaGuardia with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to LaGuardia, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Seattle to LaGuardia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to LaGuardia from Seattle today and book when prices fit your budget.

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