$291+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — SEA
Aug 19 — Aug 261
1 adult, Economy
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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
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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 August 14, 2025.
Popular in | December |
|---|---|
Cheapest in | September |
Average price | $487 |
Find flight deals from Stewart to Seattle
One-way flights from Stewart to SeattleSearch for one-way flight options from Stewart to Seattle. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.
Search for one-way flight options from Stewart to Seattle. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Mon 9/11:55 pmSWF - SEA
3 stops30h 33mMultiple Airlines
Deal found 8/14![Multiple Airlines logo]()
$291
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/291:55 pmSWF - SEA
3 stops33h 43mMultiple Airlines
Deal found 8/12![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/308:41 pmSWF - SEA
3 stops37h 26mMultiple Airlines
Deal found 8/12![Multiple Airlines logo]()
$343
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/225:36 pmSWF - SEA
3 stops41h 22mMultiple Airlines
Deal found 8/12![Multiple Airlines logo]()
$433
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 August 14, 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
Fri 8/29
1:55 pm-8:38 pm
3 stops33h 43m
$308
New WindsorSeattle
SWF - SEA
SWFSEA
New Windsor Stewart
Sun 11/30
8:41 pm-7:07 am
3 stops37h 26m
$343
New WindsorSeattle
SWF - SEA
SWFSEA
New Windsor Stewart
Fri 8/22
5:36 pm-7:58 am
3 stops41h 22m
$433
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 $389). 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.
Traveling to a place near Seattle?
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