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Stewart

$129+ Cheap flights from Dulles Intl (IAD) to New Windsor (SWF)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SWF
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Dulles Intl to Stewart

Cheapest flights from Dulles Intl to Stewart
Explore the most affordable flight options available from Dulles Intl to Stewart. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/10. 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. 12/192:32 pmIAD - SWF
2 stops18h 23mMultiple Airlines
dom. 1/410:49 amSWF - IAD
1 stop22h 59mMultiple Airlines
Deal found 12/10$467
This Kiwi.com deal was found by Cheapflights users on 12/11. 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. 12/192:32 pmIAD - SWF
2 stops18h 23mMultiple Airlines
dom. 12/2111:43 amSWF - IAD
1 stop9h 20mMultiple Airlines
Deal found 12/11$492
This Kiwi.com deal was found by Cheapflights users on 12/10. 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. 12/129:31 amIAD - SWF
1 stop7h 23mMultiple Airlines
dom. 12/1411:43 amSWF - IAD
2 stops27h 27mMultiple Airlines
Deal found 12/10$512
This Mytrip deal was found by Cheapflights users on 12/11. 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.
vie. 12/129:31 amIAD - SWF
1 stop7h 23mMultiple Airlines
vie. 1/1611:09 amSWF - IAD
3 stops24h 12mMultiple Airlines
Deal found 12/11$556
This Kiwi.com deal was found by Cheapflights users on 12/11. 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. 12/188:16 pmIAD - SWF
2 stops23h 05mMultiple Airlines
dom. 12/2111:43 amSWF - IAD
1 stop9h 20mMultiple Airlines
Deal found 12/11$573
This Mytrip deal was found by Cheapflights users on 12/10. 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.
lun. 12/159:31 amIAD - SWF
1 stop6h 59mMultiple Airlines
lun. 12/228:25 pmSWF - IAD
3 stops19h 48mMultiple Airlines
Deal found 12/10$576
This Kiwi.com deal was found by Cheapflights users on 12/11. 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. 12/199:10 amIAD - SWF
1 stop7h 28mMultiple Airlines
lun. 12/228:25 pmSWF - IAD
2 stops15h 13mMultiple Airlines
Deal found 12/11$594
This Kiwi.com deal was found by Cheapflights users on 12/9. 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. 12/229:58 pmIAD - SWF
1 stop13h 05mMultiple Airlines
mar. 12/3011:43 amSWF - IAD
1 stop9h 20mMultiple Airlines
Deal found 12/9$612

Find flight deals from Dulles Intl to Stewart

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Stewart (SWF). 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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$348
(Kiwi.com)

One-way from

$129
(Kiwi.com)

Popular in

January

Cheapest in

April

Average price

$189
Provider with most accurate pricing for Washington, D.C. (WAS)-New York (NYC) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-New York (NYC) flights.
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From Washington, D.C. Dulles Intl to New Windsor Stewart
Search Deals
One-way flight from Washington, D.C. Dulles Intl to New Windsor Stewart
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Stewart 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 diciembre 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to New Windsor that are best for you.

Fly from

Dulles Intl

Fly to

Stewart

Route

Depart

Return

Price

Washington, D.C.New Windsor

IAD - SWF

IADSWF

Washington, D.C. Dulles Intl

vie. 3/6

9:12 am-6:46 pm

1 stop9h 34m

New Windsor Stewart

dom. 3/8

7:27 pm-1:44 pm

1 stop18h 17m

$348

Washington, D.C.New Windsor

IAD - SWF

IADSWF

Washington, D.C. Dulles Intl

vie. 3/6

9:12 am-6:46 pm

1 stop9h 34m

New Windsor Stewart

dom. 3/8

7:27 pm-3:13 pm

2 stops19h 46m

$374

Washington, D.C.New Windsor

IAD - SWF

IADSWF

Washington, D.C. Dulles Intl

vie. 12/19

2:32 pm-8:55 am

2 stops18h 23m

New Windsor Stewart

dom. 1/4

10:49 am-9:48 am

1 stop22h 59m

$467

Washington, D.C.New Windsor

IAD - SWF

IADSWF

Washington, D.C. Dulles Intl

vie. 12/19

2:32 pm-8:55 am

2 stops18h 23m

New Windsor Stewart

dom. 12/21

11:43 am-9:03 pm

1 stop9h 20m

$492

Washington, D.C.New Windsor

IAD - SWF

IADSWF

Washington, D.C. Dulles Intl

dom. 2/22

9:17 pm-10:14 am

1 stop12h 57m

New Windsor Stewart

dom. 3/1

7:22 pm-4:08 pm

2 stops20h 46m

$505

Washington, D.C.New Windsor

IAD - SWF

IADSWF

Washington, D.C. Dulles Intl

dom. 2/22

9:17 pm-10:14 am

1 stop12h 57m

New Windsor Stewart

jue. 3/5

7:27 pm-1:44 pm

1 stop18h 17m

$551

Washington, D.C.New Windsor

IAD - SWF

IADSWF

Washington, D.C. Dulles Intl

jue. 12/18

8:16 pm-7:21 pm

2 stops23h 05m

New Windsor Stewart

dom. 12/21

11:43 am-9:03 pm

1 stop9h 20m

$573

Washington, D.C.New Windsor

IAD - SWF

IADSWF

Washington, D.C. Dulles Intl

lun. 12/15

9:31 am-4:30 pm

1 stop6h 59m

New Windsor Stewart

lun. 12/22

8:25 pm-4:13 pm

3 stops19h 48m

$576

Washington, D.C.New Windsor

IAD - SWF

IADSWF

Washington, D.C. Dulles Intl

jue. 1/15

5:42 pm-10:19 am

2 stops16h 37m

$129

Washington, D.C.New Windsor

IAD - SWF

IADSWF

Washington, D.C. Dulles Intl

vie. 2/6

5:33 pm-11:08 am

2 stops41h 35m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 17 results
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Best time to book a flight from Dulles Intl to Stewart

Have a flexible travel schedule? Discover the best time to fly to Stewart from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to New Windsor

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to New Windsor?

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to New Windsor (average of $67). Flying from Washington, D.C. Dulles Intl Airport to New Windsor in July is currently the most expensive (average of $139). 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 Dulles Intl to Stewart. 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 New Windsor from Washington, D.C. Dulles Intl?

    Most people fly into New Windsor Stewart (SWF) if they book a flight to New Windsor from Washington, D.C. Dulles Intl. On average, Stewart has 0 inbound flights from Washington, D.C. Dulles Intl per day from 0 airlines. New Windsor Stewart is conveniently located just 4.3 mi from New Windsor’s city center.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to New Windsor?

    For as low as $374, Allegiant Air can have you in New Windsor from Washington, D.C. Dulles Intl Airport in 9h 34m. The distance from Washington, D.C. Dulles Intl Airport to New Windsor is about 249 mi.

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

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

  • How can I find direct flights from Dulles Intl to Stewart?

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Stewart 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 Washington, D.C. Dulles Intl Airport to New Windsor?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to New Windsor (average of $67). Flying from Washington, D.C. Dulles Intl Airport to New Windsor in July is currently the most expensive (average of $139). 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 Windsor?

Book flights to New Windsor if you plan to visit one of these locations
Kingston

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Alternative routes for Dulles Intl to Stewart

See prices for flight routes from nearby airports that may be better suited for you.
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