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$134+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — SEA
feb. 14 — feb. 211
sáb. 2/14
sáb. 2/21
1 adult, Economy
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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 enero 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$251
(eDestinos)

One-way from

$134
(Southwest)

Popular in

April

Cheapest in

January

Average price

$262
Provider with most accurate pricing for New York LaGuardia-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for New York LaGuardia-Seattle/Tacoma Intl flights.
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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. 14% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 enero 15, 2026.

This eDestinos deal was found by Cheapflights users on 1/12. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/54:59 pm
LGA
-
SEA
1 stop32h 00m
Multiple Airlines
lun. 2/91:11 pm
SEA
-
LGA
2 stops30h 55m
Multiple Airlines
Deal found 1/12$251
This Mytrip deal was found by Cheapflights users on 1/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/110:55 pm
LGA
-
SEA
1 stop16h 35m
Frontier
lun. 4/62:54 pm
SEA
-
LGA
1 stop28h 06m
Frontier
Deal found 1/13$254
This American Airlines deal was found by Cheapflights users on 1/13. 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.
dom. 3/16:38 am
LGA
-
SEA
1 stop9h 09m
American Airlines
mié. 3/41:37 pm
SEA
-
LGA
1 stop7h 22m
American Airlines
Deal found 1/13$256
This United Airlines deal was found by Cheapflights users on 1/14. 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.
mié. 4/13:20 pm
LGA
-
SEA
1 stop10h 17m
United Airlines
mié. 4/87:00 am
SEA
-
LGA
1 stop7h 13m
United Airlines
Deal found 1/14$257
This United Airlines deal was found by Cheapflights users on 1/14. 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.
mié. 2/1110:28 am
LGA
-
SEA
2 stops10h 46m
United Airlines
mié. 2/188:17 am
SEA
-
LGA
1 stop7h 25m
United Airlines
Deal found 1/14$262
This American Airlines deal was found by Cheapflights users on 1/14. 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.
jue. 2/195:59 pm
LGA
-
SEA
1 stop9h 56m
American Airlines
dom. 2/2211:57 pm
SEA
-
LGA
1 stop8h 33m
American Airlines
Deal found 1/14$267
This Southwest deal was found by Cheapflights users on 1/14. 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.
mar. 2/242:30 pm
LGA
-
SEA
2 stops11h 00m
Southwest
mar. 3/36:05 am
SEA
-
LGA
2 stops10h 55m
Southwest
Deal found 1/14$268
This American Airlines deal was found by Cheapflights users on 1/15. 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.
jue. 2/126:00 am
LGA
-
SEA
1 stop9h 51m
American Airlines
mar. 2/1712:59 am
SEA
-
LGA
1 stop8h 25m
American Airlines
Deal found 1/15$269
This United Airlines deal was found by Cheapflights users on 1/13. 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.
vie. 4/244:58 pm
LGA
-
SEA
1 stop8h 58m
United Airlines
mié. 4/297:00 am
SEA
-
LGA
1 stop7h 13m
United Airlines
Deal found 1/13$276
This Delta deal was found by Cheapflights users on 1/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/44:54 pm
LGA
-
SEA
1 stop7h 55m
Delta
mar. 2/1711:05 pm
SEA
-
LGA
1 stop7h 42m
Delta
Deal found 1/12$277
This United Airlines deal was found by Cheapflights users on 1/13. 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.
mar. 7/147:48 pm
LGA
-
SEA
1 stop7h 57m
United Airlines
lun. 7/2012:20 am
SEA
-
LGA
1 stop7h 50m
United Airlines
Deal found 1/13$278
This United Airlines deal was found by Cheapflights users on 1/14. 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.
mar. 7/216:00 am
LGA
-
SEA
1 stop8h 40m
United Airlines
mar. 7/2811:50 pm
SEA
-
LGA
1 stop7h 18m
United Airlines
Deal found 1/14$279

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 enero 15, 2026.
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

mié. 2/18

4:00 pm-11:12 pm

1 stop10h 12m

Seattle/Tacoma Intl

sáb. 2/21

11:10 pm-8:57 am

1 stop6h 47m

$257

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

sáb. 2/7

1:30 pm-9:05 pm

1 stop10h 35m

Seattle/Tacoma Intl

mar. 2/10

6:05 am-9:00 pm

2 stops11h 55m

$262

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

mié. 2/11

10:28 am-6:14 pm

2 stops10h 46m

Seattle/Tacoma Intl

mié. 2/18

8:17 am-6:42 pm

1 stop7h 25m

$262

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

mar. 2/10

2:00 pm-11:05 pm

2 stops12h 05m

Seattle/Tacoma Intl

mar. 2/17

6:35 am-5:30 pm

1 stop7h 55m

$262

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

mar. 3/10

2:59 pm-10:45 pm

2 stops10h 46m

Seattle/Tacoma Intl

mié. 3/25

7:00 am-5:13 pm

1 stop7h 13m

$262

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

jue. 3/19

6:38 am-12:47 pm

1 stop9h 09m

Seattle/Tacoma Intl

mar. 3/24

1:37 pm-11:59 pm

1 stop7h 22m

$267

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

mar. 3/10

3:30 pm-12:40 am

2 stops12h 10m

Seattle/Tacoma Intl

mié. 3/25

7:00 am-9:00 pm

2 stops11h 00m

$268

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

mié. 4/15

1:10 pm-7:00 pm

1 stop8h 50m

Seattle/Tacoma Intl

dom. 4/19

11:59 pm-10:18 am

1 stop7h 19m

$276

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

mar. 2/17

6:00 am-10:55 am

1 stop7h 55m

Seattle/Tacoma Intl

mié. 2/18

11:15 pm-8:57 am

1 stop6h 42m

$277

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

vie. 3/6

4:30 pm-12:30 am

1 stop11h 00m

Seattle/Tacoma Intl

mar. 3/10

7:00 am-9:00 pm

2 stops11h 00m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 24 results
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Compare providers for flights from LaGuardia to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from LaGuardia to Seattle in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on New York LaGuardia Airport-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on New York LaGuardia Airport-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from New York LaGuardia Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New York LaGuardia Airport-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New York LaGuardia Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 January 9, 2026.

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 47 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, October is the cheapest month in which you can book a flight from New York LaGuardia Airport to Seattle (average of $188). Flying from New York LaGuardia Airport to Seattle in June is currently the most expensive (average of $320). 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.

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 enero 15, 2026.
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
4,258 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,258 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,051 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,164 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,136 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,057 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 $257, Delta can have you in Seattle from New York LaGuardia Airport in 10h 12m. 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 $190, 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 Southwest and American Airlines - these airlines can fly you to your destination from $196 and $196, respectively. These flights start at 47% 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 Southwest. According to our data, you can fly for as low as $108. Users have also found prices from $119 and $124 on Alaska Airlines 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, October is the cheapest month in which you can book a flight from New York LaGuardia Airport to Seattle (average of $188). Flying from New York LaGuardia Airport to Seattle in June is currently the most expensive (average of $320). 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Marysville
Fife
Aberdeen
Shoreline
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

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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 enero 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$190Average$336FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$196Average$441FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$196Average$408FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$256Average$390FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$257Average$502FlexibilityNo cancel feeOn-time75%
DeltaCheapest$257Average$386FlexibilityNo cancel feeOn-timeN/A

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