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$332+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — SEA
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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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 septiembre 17, 2025.

Round-trip from

$928
(Mytrip)

One-way from

$332
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$327
From New Windsor Stewart to Seattle/Tacoma Intl
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One-way flight from New Windsor Stewart to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 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 Stewart to Seattle

Cheapest flights from Stewart to Seattle
Explore the most affordable flight options available from Stewart to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/2612:17 pmSWF - SEA
2 stops23h 22mMultiple Airlines
sáb. 11/2911:59 pmSEA - SWF
2 stops16h 52mMultiple Airlines
Deal found 9/14$1,004

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 septiembre 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

mié. 11/26

12:17 pm-8:39 am

2 stops23h 22m

Seattle/Tacoma Intl

sáb. 11/29

11:59 pm-7:51 pm

2 stops16h 52m

$1,004

New WindsorSeattle

SWF - SEA

SWFSEA

New Windsor Stewart

mié. 11/26

12:17 pm-8:39 am

2 stops23h 22m

$332

New WindsorSeattle

SWF - SEA

SWFSEA

New Windsor Stewart

dom. 12/21

6:28 pm-10:42 am

3 stops43h 14m

$412

New WindsorSeattle

SWF - SEA

SWFSEA

New Windsor Stewart

vie. 12/19

12:24 pm-11:53 am

3 stops26h 29m

$441

New WindsorSeattle

SWF - SEA

SWFSEA

New Windsor Stewart

dom. 11/30

8:41 pm-11:28 am

3 stops41h 47m

$542

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, January is the cheapest month in which you can book a flight from New Windsor to Seattle (average of $238). Flying from New Windsor to Seattle in June is currently the most expensive (average of $387). 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, January is the cheapest month in which you can book a flight from New Windsor to Seattle (average of $238). Flying from New Windsor to Seattle in June is currently the most expensive (average of $387). 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?

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