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$99+ Cheap flights from LaGuardia, NY (LGA) to Seattle (SEA)

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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from New York LaGuardia to Seattle/Tacoma Intl are usually found in October or January, booked 58 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap flight deals from LaGuardia to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) to Seattle (SEA). 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 September 11, 2025.

Round-trip from

$195
(Southwest)

One-way from

$99
(American Airlines)

Popular in

February

Cheapest in

October

Average price

$317
From New York LaGuardia to Seattle/Tacoma Intl
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One-way flight from New York LaGuardia to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 6% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from LaGuardia to Seattle

Cheapest flights from LaGuardia to Seattle
Explore the most affordable flight options available from LaGuardia to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:55 amLGA - SEA
1 stop8h 50mSouthwest
Tue 9/3011:10 pmSEA - LGA
1 stop6h 50mSouthwest
Deal found 9/9$195
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/253:40 pmLGA - SEA
1 stop11h 25mSouthwest
Tue 9/305:15 amSEA - LGA
1 stop9h 55mSouthwest
Deal found 9/10$196
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/33:00 pmLGA - SEA
1 stop9h 23mAmerican Airlines
Mon 10/612:34 amSEA - LGA
1 stop7h 49mAmerican Airlines
Deal found 9/11$197
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/242:06 pmLGA - SEA
1 stop9h 40mAmerican Airlines
Fri 10/3111:44 amSEA - LGA
1 stop8h 51mAmerican Airlines
Deal found 9/9$198
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/283:30 pmLGA - SEA
2 stops11h 15mSouthwest
Wed 10/299:10 amSEA - LGA
1 stop10h 15mSouthwest
Deal found 9/9$199
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:30 pmLGA - SEA
2 stops10h 00mFrontier
Sat 10/47:00 amSEA - LGA
1 stop12h 11mFrontier
Deal found 9/10$205
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2110:55 pmLGA - SEA
1 stop16h 12mFrontier
Mon 10/272:31 pmSEA - LGA
2 stops22h 00mFrontier
Deal found 9/10$206
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/302:11 pmLGA - SEA
1 stop8h 58mAmerican Airlines
Fri 10/31:02 pmSEA - LGA
1 stop7h 32mAmerican Airlines
Deal found 9/9$207
This Booking.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:56 pmLGA - SEA
1 stop27h 03mFrontier
Wed 9/247:00 amSEA - LGA
1 stop12h 11mFrontier
Deal found 9/8$208
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/173:27 pmLGA - SEA
1 stop9h 07mUnited Airlines
Tue 10/2111:40 pmSEA - LGA
1 stop7h 36mUnited Airlines
Deal found 9/10$212
This Frontier deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2710:56 pmLGA - SEA
2 stops15h 15mFrontier
Sat 10/47:00 amSEA - LGA
1 stop12h 11mFrontier
Deal found 9/11$213

Cheapflights Fare Finder

 
Customize your flight search to find flights from LaGuardia 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Seattle that are best for you.

Fly from

LaGuardia

Fly to

Seattle

Route

Depart

Return

Price

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Fri 9/26

2:30 pm-9:45 pm

1 stop10h 15m

Seattle/Tacoma Intl

Tue 9/30

5:15 am-6:10 pm

1 stop9h 55m

$205

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 10/21

11:40 am-7:50 pm

2 stops11h 10m

Seattle/Tacoma Intl

Wed 10/29

12:35 pm-11:20 pm

1 stop7h 45m

$230

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 10/8

6:00 am-10:33 am

1 stop7h 33m

Seattle/Tacoma Intl

Wed 10/22

6:00 am-3:50 pm

1 stop6h 50m

$237

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 10/8

6:00 am-10:33 am

1 stop7h 33m

Seattle/Tacoma Intl

Mon 10/27

9:55 pm-10:41 am

1 stop9h 46m

$237

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 10/7

3:00 pm-11:54 pm

1 stop11h 54m

Seattle/Tacoma Intl

Wed 10/22

11:43 am-11:37 pm

1 stop8h 54m

$237

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 10/8

6:00 am-10:33 am

1 stop7h 33m

Seattle/Tacoma Intl

Tue 10/21

11:15 pm-8:49 am

1 stop6h 34m

$237

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 12/10

9:10 am-6:40 pm

2 stops12h 30m

Seattle/Tacoma Intl

Tue 12/16

5:40 am-8:05 pm

2 stops11h 25m

$261

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 1/17

5:15 pm-10:43 pm

1 stop8h 28m

Seattle/Tacoma Intl

Tue 1/20

10:58 am-11:43 pm

2 stops9h 45m

$282

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 1/8

6:00 am-1:15 pm

1 stop10h 15m

Seattle/Tacoma Intl

Sun 1/11

6:35 am-5:30 pm

1 stop7h 55m

$291

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 11/18

6:00 am-12:47 pm

1 stop9h 47m

Seattle/Tacoma Intl

Sat 11/22

11:59 pm-11:07 am

1 stop8h 08m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 24 results
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2
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Best time to book a flight from LaGuardia to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from LaGuardia 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 New York LaGuardia Airport to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from LaGuardia to Seattle. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from New York LaGuardia Airport to Seattle, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to Seattle (average of $238). Flying from New York LaGuardia Airport to Seattle in June is currently the most expensive (average of $388). 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.

What is the cheapest time of day to fly from LGA to SEA?

Find hourly flight availability from LaGuardia to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

One of the essential ways to save on airfare from New York LaGuardia Airport to Seattle is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 23% on airfare.

What is the cheapest day to fly from New York LaGuardia Airport to Seattle?

Use this chart to determine the cheapest time to fly round-trip from LaGuardia to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their New York LaGuardia Airport to Seattle flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from New York LaGuardia Airport to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from LaGuardia to Seattle. 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 into for flights to Seattle from New York LaGuardia?

    If you book a flight to Seattle from New York LaGuardia, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from New York LaGuardia to Seattle/Tacoma Intl per day from 6 different airlines.

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

    For as low as $237, Southwest can have you in Seattle from New York LaGuardia Airport in 7h 33m. Airlines will cover a distance of 2405 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $138, Frontier will fly you from New York LaGuardia Airport to Seattle and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Southwest - these airlines can fly you to your destination from $226 and $236, respectively. These flights start at 68% lower than the current average price 3 months from now.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $99. Users have also found prices from $119 and $119 on Delta and United Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from LaGuardia to Seattle 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 New York LaGuardia Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to Seattle (average of $238). Flying from New York LaGuardia Airport to Seattle in June is currently the most expensive (average of $388). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Lacey
Renton
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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Alternative routes for LaGuardia to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from LaGuardia to Seattle

Discover the top 6 airlines that operate flights from LaGuardia to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$289FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$226Average$438FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$236Average$496FlexibilityNo cancel feeOn-time63%
DeltaCheapest$257Average$416FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$285Average$396FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$347Average$557FlexibilityNo cancel feeOn-time75%

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