HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$181+ Cheap flights from New Windsor to Seattle (SWF - 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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — SEA
dic. 17 — dic. 241
mié. 12/17
mié. 12/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Stewart to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Stewart to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Stewart (SWF) 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 noviembre 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Popular in

December

Cheapest in

October

Average price

$407
Provider with most accurate pricing for New Windsor Stewart-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Windsor Stewart-Seattle/Tacoma Intl flights.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Stewart to Seattle

One-way flights from Stewart to Seattle
Search for one-way flight options from Stewart to Seattle. Find affordable one-way fares based on user searches. Data last updated noviembre 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/16. 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.
jue. 12/1811:43 amSWF - SEA
2 stops34h 10mMultiple Airlines
Deal found 11/16$181
This Kiwi.com deal was found by Cheapflights users on 11/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2311:43 amSWF - SEA
3 stops51h 47mMultiple Airlines
Deal found 11/15$219
This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
mié. 12/245:34 pmSWF - SEA
2 stops43h 37mMultiple Airlines
Deal found 11/17$223
This Kiwi.com deal was found by Cheapflights users on 11/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/228:25 pmSWF - SEA
2 stops44h 26mMultiple Airlines
Deal found 11/15$226
This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
sáb. 12/209:45 amSWF - SEA
3 stops51h 26mMultiple Airlines
Deal found 11/17$251
This Kiwi.com deal was found by Cheapflights users on 11/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2111:43 amSWF - SEA
2 stops27h 47mMultiple Airlines
Deal found 11/14$253
This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
vie. 12/198:11 pmSWF - SEA
2 stops41h 00mMultiple Airlines
Deal found 11/17$278

Cheapflights Fare Finder

 
Customize your flight search to find flights from Stewart 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 noviembre 17, 2025.
Use the filters below to find and compare flights from New Windsor to Seattle that are best for you.

Fly from

Stewart

Fly to

Seattle

Route

Depart

Return

Price

New WindsorSeattle

SWF - SEA

SWFSEA

New Windsor Stewart

jue. 12/18

11:43 am-6:53 pm

2 stops34h 10m

$181

New WindsorSeattle

SWF - SEA

SWFSEA

New Windsor Stewart

mar. 12/23

11:43 am-12:30 pm

3 stops51h 47m

$219

New WindsorSeattle

SWF - SEA

SWFSEA

New Windsor Stewart

mié. 12/24

5:34 pm-10:11 am

2 stops43h 37m

$223

New WindsorSeattle

SWF - SEA

SWFSEA

New Windsor Stewart

lun. 12/22

8:25 pm-1:51 pm

2 stops44h 26m

$226

New WindsorSeattle

SWF - SEA

SWFSEA

New Windsor Stewart

sáb. 12/20

9:45 am-10:11 am

3 stops51h 26m

$251

New WindsorSeattle

SWF - SEA

SWFSEA

New Windsor Stewart

dom. 12/21

11:43 am-12:30 pm

2 stops27h 47m

$253

New WindsorSeattle

SWF - SEA

SWFSEA

New Windsor Stewart

vie. 12/19

8:11 pm-10:11 am

2 stops41h 00m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

  • Most accurate provider: When it comes to deals on New Windsor-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New Windsor-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New Windsor-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New Windsor-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub 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 Windsor-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 Stewart to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Stewart 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 Windsor to Seattle

What is the cheapest month to book a flight from New Windsor to Seattle?

Currently, October is the cheapest month in which you can book a flight from New Windsor to Seattle (average of $148). Flying from New Windsor to Seattle in March is currently the most expensive (average of $237). 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.

Related info for your journey

Find useful and relevant information for your journey from Stewart to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Stewart 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 Windsor to Seattle?

    Currently, October is the cheapest month in which you can book a flight from New Windsor to Seattle (average of $148). Flying from New Windsor to Seattle in March is currently the most expensive (average of $237). 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
Tacoma
Tukwila
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Cle Elum
Marysville
Puyallup
Federal Way
Fife
Issaquah
Aberdeen

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Stewart 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
LaGuardia to Seattle flights
Newark to Portland flights
LaGuardia to Portland flights
Rochester to Seattle flights
Buffalo to Seattle flights
Albany to Seattle flights
Syracuse to Seattle flights
Newark to Spokane flights
John F Kennedy Intl to Spokane flights
LaGuardia to Spokane flights
Syracuse to Portland flights
White Plains to Seattle flights
Albany to Portland flights
Buffalo to Portland flights
Ithaca to Seattle flights
Rochester to Portland flights
White Plains to Portland flights
Rochester to Spokane flights
Watertown to Seattle flights
LaGuardia to Bellingham flights
Newark to Pasco flights
Newark to Bellingham flights
John F Kennedy Intl to Bellingham flights
Albany to Spokane flights
LaGuardia to Pasco flights
Binghamton to Seattle flights
Elmira to Seattle flights
Elmira to Portland flights
White Plains to Spokane flights
John F Kennedy Intl to Wenatchee flights
Newark to Walla Walla flights
Plattsburgh to Seattle flights
John F Kennedy Intl to Yakima flights
John F Kennedy Intl to Pasco flights
Newark to Wenatchee flights
Newark to Pullman flights
Ithaca to Portland flights
Islip to Seattle flights
Newark to Yakima flights
Buffalo to Spokane flights
Binghamton to Portland flights
Watertown to Portland flights
Rochester to Pullman flights
Buffalo to Bellingham flights
John F Kennedy Intl to Walla Walla flights
Syracuse to Pasco flights
LaGuardia to Yakima flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.