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Cheap flights from Seattle to New York LaGuardia Airport, NY from C$ 216

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGA
4 May — 11 May1
1 adult

Cheap 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 29 April 2025.

Round-trip from

C$ 356

One-way from

C$ 216

Popular in

December

Cheapest in

January

Average price

C$ 599
United Airlines
  • United Airlines
  • 15/8-23/8
  • 2 total stops
  • 16h 41m total
  • Seattle to New York
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United Airlines
  • United Airlines
  • 5/10
  • 1 total stop
  • 8h 51m total
  • Seattle to New York
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (C$ 30 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Seattle to LaGuardia

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 29 April 2025.

Fri 15/812:20 a.m.SEA - LGA
1 stop7h 58mUnited Airlines
Sat 23/82:59 p.m.LGA - SEA
1 stop8h 43mUnited Airlines
Deal found 28/4C$ 356
Tue 28/1012:40 a.m.SEA - LGA
1 stop7h 17mDelta
Wed 29/106:00 p.m.LGA - SEA
1 stop9h 11mDelta
Deal found 28/4C$ 370
Tue 23/96:45 a.m.SEA - LGA
2 stops11h 45mSouthwest
Tue 30/96:30 a.m.LGA - SEA
1 stop9h 25mSouthwest
Deal found 28/4C$ 432
Wed 9/71:16 p.m.SEA - LGA
1 stop7h 28mAmerican Airlines
Thu 23/102:14 p.m.LGA - SEA
1 stop8h 50mAmerican Airlines
Deal found 28/4C$ 446
Fri 23/59:14 a.m.SEA - LGA
1 stop8h 45mFrontier
Mon 26/510:55 p.m.LGA - SEA
1 stop27h 32mFrontier
Deal found 28/4C$ 482
Tue 17/63:58 p.m.SEA - LGA
2 stops17h 14mSpirit Airlines
Sun 22/66:30 a.m.LGA - SEA
2 stops11h 33mSpirit Airlines
Deal found 27/4C$ 635
Thu 21/812:59 a.m.SEA - LGA
1 stop9h 14mAlaska Airlines
Tue 26/81:35 p.m.LGA - SEA
2 stops11h 54mAlaska Airlines
Deal found 28/4C$ 710
Fri 23/53:20 p.m.SEA - LGA
2 stops13h 20mMultiple Airlines
Mon 26/51:30 p.m.LGA - SEA
1 stop9h 26mMultiple Airlines
Deal found 28/4C$ 880

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 29 April 2025.
Use the filters below to find and compare flights from Seattle to New York LaGuardia Airport that are best for you.

Fly from

Seattle

Fly to

LaGuardia

Route

Depart

Return

Price

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Fri 15/8

12:20 a.m.-11:18 a.m.

1 stop7h 58m

New York LaGuardia

Sat 23/8

2:59 p.m.-8:42 p.m.

1 stop8h 43m

C$ 356

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Wed 3/9

11:55 p.m.-10:52 a.m.

1 stop7h 57m

New York LaGuardia

Tue 9/9

6:00 p.m.-12:11 a.m.

1 stop9h 11m

C$ 370

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Tue 23/9

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

2 stops11h 45m

New York LaGuardia

Tue 30/9

6:30 a.m.-12:55 p.m.

1 stop9h 25m

C$ 432

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Wed 9/7

1:16 p.m.-11:44 p.m.

1 stop7h 28m

New York LaGuardia

Thu 23/10

2:14 p.m.-8:04 p.m.

1 stop8h 50m

C$ 446

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Fri 23/5

9:14 a.m.-8:59 p.m.

1 stop8h 45m

New York LaGuardia

Mon 26/5

10:55 p.m.-11:27 p.m.

1 stop27h 32m

C$ 482

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Tue 17/6

3:58 p.m.-12:12 p.m.

2 stops17h 14m

New York LaGuardia

Sun 22/6

6:30 a.m.-3:03 p.m.

2 stops11h 33m

C$ 635

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Thu 21/8

12:59 a.m.-1:13 p.m.

1 stop9h 14m

New York LaGuardia

Tue 26/8

1:35 p.m.-10:29 p.m.

2 stops11h 54m

C$ 710

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Fri 23/5

3:20 p.m.-7:40 a.m.

2 stops13h 20m

New York LaGuardia

Mon 26/5

1:30 p.m.-7:56 p.m.

1 stop9h 26m

C$ 880

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Sun 5/10

11:25 p.m.-11:16 a.m.

1 stop8h 51m

C$ 216

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Tue 1/7

11:53 p.m.-10:42 a.m.

1 stop7h 49m

C$ 234

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 15 results
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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 25 April 2025.

The best time to book flights from Seattle to New York LaGuardia Airport is 35 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, January is the cheapest month in which you can book a flight from Seattle to New York LaGuardia Airport (average of C$ 242). Flying from Seattle to New York LaGuardia Airport in June is currently the most expensive (average of C$ 335). 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.

Rainfall in LaGuardia by month

Plan your trip to LaGuardia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in New York LaGuardia Airport ranges from 71.0 - 114.0 mm per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit New York LaGuardia Airport when rainfall is around 71.0 mm.

Temperature in LaGuardia by month

Plan your trip to LaGuardia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to New York LaGuardia Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Reviews of airlines servicing LaGuardia

Get insights into the airlines that provide service to LaGuardia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to LaGuardia. Reviews last updated 29 April 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Seattle to New York to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,292 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Qatar Airways
7.4
Good
3,561 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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.

  • What are the cheapest airlines flying from Seattle to New York LaGuardia Airport round-trip?

    Currently priced at C$ 356, United Airlines will fly you from Seattle to New York LaGuardia Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Southwest - these airlines can fly you to your destination from C$ 370 and C$ 432, respectively. United Airlines is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Seattle to New York LaGuardia Airport one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as C$ 216. Users have also found prices from C$ 234 and C$ 254 on Delta and Spirit Airlines, respectively.

  • 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, January is the cheapest month in which you can book a flight from Seattle to New York LaGuardia Airport (average of C$ 242). Flying from Seattle to New York LaGuardia Airport in June is currently the most expensive (average of C$ 335). 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

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Alternative routes for Seattle to LaGuardia

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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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