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$152+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — SEA
jul. 6 — jul. 131
dom. 7/6
dom. 7/13
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 September, 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 julio 1, 2025.

Round-trip from

$250
(Frontier)

One-way from

$152
(Expedia)

Popular in

February

Cheapest in

October

Average price

$447
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. 4% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 1, 2025.

This Frontier deal was found by Cheapflights users on 6/28. 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.
dom. 8/2410:50 pmLGA - SEA
1 stop13h 44mFrontier
sáb. 8/306:25 amSEA - LGA
1 stop12h 40mFrontier
Deal found 6/28$250
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/75:59 amLGA - SEA
2 stops13h 26mMultiple Airlines
vie. 8/156:25 amSEA - LGA
1 stop12h 44mMultiple Airlines
Deal found 6/30$251
This CheapOair deal was found by Cheapflights users on 6/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/295:59 amLGA - SEA
2 stops13h 26mSpirit Airlines
mié. 8/65:30 pmSEA - LGA
2 stops15h 59mSpirit Airlines
Deal found 6/29$253
This American Airlines deal was found by Cheapflights users on 6/29. 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.
sáb. 10/186:48 pmLGA - SEA
1 stop8h 39mAmerican Airlines
mar. 10/2110:39 amSEA - LGA
1 stop7h 46mAmerican Airlines
Deal found 6/29$257
This Southwest deal was found by Cheapflights users on 6/30. 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. 9/167:20 amLGA - SEA
1 stop9h 20mSouthwest
mar. 9/238:25 amSEA - LGA
2 stops10h 05mSouthwest
Deal found 6/30$262
This Delta deal was found by Cheapflights users on 6/30. 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.
vie. 8/294:59 pmLGA - SEA
1 stop8h 06mDelta
mié. 9/106:00 amSEA - LGA
1 stop6h 54mDelta
Deal found 6/30$272
This United Airlines deal was found by Cheapflights users on 6/29. 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. 7/296:30 pmLGA - SEA
1 stop8h 29mUnited Airlines
mié. 7/3012:20 amSEA - LGA
1 stop7h 58mUnited Airlines
Deal found 6/29$282

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 julio 1, 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

dom. 8/24

10:50 pm-9:34 am

1 stop13h 44m

Seattle/Tacoma Intl

sáb. 8/30

6:25 am-10:05 pm

1 stop12h 40m

$250

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

jue. 8/7

5:59 am-4:25 pm

2 stops13h 26m

Seattle/Tacoma Intl

vie. 8/15

6:25 am-10:09 pm

1 stop12h 44m

$251

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

mar. 7/29

5:59 am-4:25 pm

2 stops13h 26m

Seattle/Tacoma Intl

mié. 8/6

5:30 pm-12:29 pm

2 stops15h 59m

$253

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

mié. 9/17

12:59 pm-6:45 pm

1 stop8h 46m

Seattle/Tacoma Intl

mar. 9/23

6:00 am-3:52 pm

1 stop6h 52m

$257

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

mar. 9/16

7:20 am-1:40 pm

1 stop9h 20m

Seattle/Tacoma Intl

mar. 9/23

8:25 am-9:30 pm

2 stops10h 05m

$262

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

mar. 8/19

5:19 pm-10:20 pm

1 stop8h 01m

Seattle/Tacoma Intl

sáb. 9/6

11:58 pm-11:31 am

1 stop8h 33m

$267

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

mar. 8/12

12:59 pm-7:16 pm

1 stop9h 17m

Seattle/Tacoma Intl

lun. 8/18

12:46 am-1:13 pm

1 stop9h 27m

$277

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

lun. 8/25

6:15 am-9:45 pm

2 stops18h 30m

$154

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

mar. 8/5

5:59 am-4:25 pm

2 stops13h 26m

$155

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

dom. 7/13

10:00 pm-8:34 am

1 stop13h 34m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 13 results
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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 June 27, 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 July is currently the most expensive (average of $390). 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 julio 1, 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 julio 1, 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
4,273 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,273 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,858 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,101 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 2 flights from New York LaGuardia to Seattle/Tacoma Intl per day from 6 different airlines.

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

    Currently priced at $250, 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 Spirit Airlines and United Airlines - these airlines can fly you to your destination from $253 and $257, respectively. These flights start at 43% 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 Frontier. According to our data, you can fly for as low as $152. Users have also found prices from $154 and $155 on Southwest and Spirit 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 July is currently the most expensive (average of $390). 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 New York LaGuardia Airport?

Book flights to New York LaGuardia Airport if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Federal Way
Chehalis
Kirkland
Aberdeen
Shelton

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.
John F Kennedy Intl to Seattle flights
Newark to Seattle flights
John F Kennedy Intl to Portland flights
Newark to Portland flights
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LaGuardia to Spokane flights
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John F Kennedy Intl to Pasco flights
LaGuardia to Pasco flights
John F Kennedy Intl to Bellingham flights
Newark to Bellingham flights
John F Kennedy Intl to Walla Walla flights
Newark to Walla Walla flights
Newark to Pullman flights
LaGuardia to Bellingham flights
John F Kennedy Intl to Yakima flights
Stewart to Portland flights
Stewart to Seattle flights
LaGuardia to Yakima flights
John F Kennedy Intl to Wenatchee flights
Newark to Wenatchee flights
Newark to Yakima flights
Stewart to Spokane flights

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 julio 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$240FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$226Average$436FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$266Average$516FlexibilityNo cancel feeOn-time63%
DeltaCheapest$277Average$416FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$402FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$311Average$557FlexibilityNo cancel feeOn-time75%

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