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Cheap flights from Seattle to New York LaGuardia Airport, NY from C$ 176

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 22/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGA
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 358

One-way from

C$ 176

Popular in

December

Cheapest in

January

Average price

C$ 682
Southwest
  • Southwest
  • 14/7-22/7
  • 2 total stops
  • 18h 10m total
  • Seattle to New York
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Southwest
  • Southwest
  • 22/7
  • 2 total stops
  • 14h 15m total
  • Seattle to New York
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 12 June 2025.

Mon 14/710:40 p.m.SEA - LGA
1 stop8h 25mSouthwest
Tue 22/75:30 p.m.LGA - SEA
1 stop9h 45mSouthwest
Deal found 10/6C$ 358
Thu 3/712:20 a.m.SEA - LGA
1 stop7h 58mUnited Airlines
Tue 8/711:25 a.m.LGA - SEA
1 stop7h 55mUnited Airlines
Deal found 10/6C$ 375
Tue 28/1012:40 a.m.SEA - LGA
1 stop7h 17mDelta
Wed 29/103:05 p.m.LGA - SEA
1 stop8h 27mDelta
Deal found 10/6C$ 392
Fri 22/86:34 a.m.SEA - LGA
1 stop8h 55mAmerican Airlines
Mon 25/85:20 p.m.LGA - SEA
1 stop9h 20mAmerican Airlines
Deal found 12/6C$ 428
Mon 18/87:48 p.m.SEA - LGA
2 stops11h 47mFrontier
Sat 23/810:50 p.m.LGA - SEA
1 stop13h 44mFrontier
Deal found 11/6C$ 494
Thu 10/711:40 p.m.SEA - LGA
1 stop8h 29mMultiple Airlines
Mon 14/75:59 a.m.LGA - SEA
2 stops13h 26mMultiple Airlines
Deal found 10/6C$ 517
Tue 29/75:30 p.m.SEA - LGA
2 stops15h 59mSpirit Airlines
Thu 7/85:59 a.m.LGA - SEA
2 stops13h 26mSpirit Airlines
Deal found 10/6C$ 614

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 12 June 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

Mon 14/7

10:40 p.m.-10:05 a.m.

1 stop8h 25m

New York LaGuardia

Tue 22/7

5:30 p.m.-12:15 a.m.

1 stop9h 45m

C$ 358

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Thu 3/7

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

1 stop7h 58m

New York LaGuardia

Tue 8/7

11:25 a.m.-4:20 p.m.

1 stop7h 55m

C$ 375

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Tue 28/10

12:40 a.m.-10:57 a.m.

1 stop7h 17m

New York LaGuardia

Wed 29/10

3:05 p.m.-8:32 p.m.

1 stop8h 27m

C$ 392

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Fri 22/8

6:34 a.m.-6:29 p.m.

1 stop8h 55m

New York LaGuardia

Mon 25/8

5:20 p.m.-11:40 p.m.

1 stop9h 20m

C$ 428

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Mon 18/8

7:48 p.m.-10:35 a.m.

2 stops11h 47m

New York LaGuardia

Sat 23/8

10:50 p.m.-9:34 a.m.

1 stop13h 44m

C$ 494

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Thu 10/7

11:40 p.m.-11:09 a.m.

1 stop8h 29m

New York LaGuardia

Mon 14/7

5:59 a.m.-4:25 p.m.

2 stops13h 26m

C$ 517

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Tue 29/7

5:30 p.m.-12:29 p.m.

2 stops15h 59m

New York LaGuardia

Thu 7/8

5:59 a.m.-4:25 p.m.

2 stops13h 26m

C$ 614

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Tue 22/7

10:40 p.m.-3:55 p.m.

2 stops14h 15m

C$ 176

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Thu 3/7

12:20 a.m.-1:18 p.m.

1 stop9h 58m

C$ 190

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Fri 19/9

12:59 a.m.-11:23 a.m.

1 stop7h 24m

C$ 258

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 13 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 9 June 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 July is currently the most expensive (average of C$ 324). 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 12 June 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
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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$ 358, Southwest will fly you from Seattle to New York LaGuardia Airport and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from C$ 375 and C$ 392, respectively. Southwest is priced at 36% 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 Southwest. According to our data, you can fly for as low as C$ 176. Users have also found prices from C$ 190 and C$ 258 on United Airlines and Alaska 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 July is currently the most expensive (average of C$ 324). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Secaucus
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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.
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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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