HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$105+ Cheap flights from New Windsor (SWF) to Washington, D.C. (WAS)

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — WAS
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Stewart to Washington, D.C. 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 Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Stewart (SWF) to Washington, D.C. (WAS). 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 September 19, 2025.

Round-trip from

$251
(Kiwi.com)

One-way from

$105
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$232
From New Windsor Stewart to Washington, D.C. (WAS)
Search Deals
One-way flight from New Windsor Stewart to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Stewart to Washington, D.C.

Cheapest flights from Stewart to Washington, D.C.
Explore the most affordable flight options available from Stewart to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Fri 10/1011:41 amSWF - BWI
1 stop21h 53mMultiple Airlines
Sun 10/128:21 pmBWI - SWF
1 stop13h 50mMultiple Airlines
Deal found 9/18$251
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Thu 10/27:11 pmSWF - BWI
1 stop17h 11mMultiple Airlines
Sun 10/58:21 pmBWI - SWF
1 stop13h 50mMultiple Airlines
Deal found 9/18$254
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Fri 10/1011:41 amSWF - BWI
1 stop11h 51mMultiple Airlines
Sat 10/119:00 pmBWI - SWF
1 stop14h 03mMultiple Airlines
Deal found 9/18$268
This Booking.com deal was found by Cheapflights users on 9/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1711:31 amSWF - BWI
1 stop12h 01mMultiple Airlines
Sat 10/185:51 pmBWI - SWF
1 stop24h 30mMultiple Airlines
Deal found 9/19$293
This Mytrip deal was found by Cheapflights users on 9/19. 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 11/312:01 pmSWF - IAD
3 stops23h 22mMultiple Airlines
Mon 11/1011:14 amIAD - SWF
1 stop7h 38mMultiple Airlines
Deal found 9/19$322
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Thu 10/911:43 amSWF - BWI
1 stop7h 52mMultiple Airlines
Sun 10/128:21 pmBWI - SWF
1 stop13h 50mMultiple Airlines
Deal found 9/18$330
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:11 pmSWF - IAD
2 stops20h 38mAllegiant Air
Mon 10/610:09 amIAD - SWF
1 stop9h 22mAllegiant Air
Deal found 9/17$351
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Fri 11/2111:12 amSWF - BWI
1 stop8h 05mMultiple Airlines
Sun 11/235:10 amBWI - SWF
1 stop28h 57mMultiple Airlines
Deal found 9/18$352
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Thu 9/2511:43 amSWF - BWI
1 stop8h 04mMultiple Airlines
Sun 9/286:38 amBWI - SWF
1 stop11h 44mMultiple Airlines
Deal found 9/18$399
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:11 pmSWF - IAD
2 stops20h 38mMultiple Airlines
Mon 10/612:50 pmIAD - SWF
3 stops21h 36mMultiple Airlines
Deal found 9/17$441
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Thu 9/1811:43 amSWF - IAD
1 stop30h 36mMultiple Airlines
Sat 9/207:14 pmIAD - SWF
1 stop15h 49mMultiple Airlines
Deal found 9/17$479
This Mytrip deal was found by Cheapflights users on 9/19. 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 10/1011:41 amSWF - IAD
3 stops23h 40mMultiple Airlines
Sun 10/1212:50 pmIAD - SWF
3 stops21h 21mMultiple Airlines
Deal found 9/19$532

Cheapflights Fare Finder

 
Customize your flight search to find flights from Stewart to Washington, D.C. 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 September 19, 2025.
Use the filters below to find and compare flights from New Windsor to Washington, D.C. that are best for you.

Fly from

Stewart

Fly to

Washington, D.C.

Route

Depart

Return

Price

New WindsorBaltimore

SWF - BWI

SWFBWI

New Windsor Stewart

Fri 10/10

11:41 am-9:34 am

1 stop21h 53m

Baltimore/Washington

Sun 10/12

8:21 pm-10:11 am

1 stop13h 50m

$251

New WindsorBaltimore

SWF - BWI

SWFBWI

New Windsor Stewart

Thu 10/2

7:11 pm-12:22 pm

1 stop17h 11m

Baltimore/Washington

Sun 10/5

8:21 pm-10:11 am

1 stop13h 50m

$254

New WindsorBaltimore

SWF - BWI

SWFBWI

New Windsor Stewart

Fri 10/10

11:41 am-11:32 pm

1 stop11h 51m

Baltimore/Washington

Sat 10/11

9:00 pm-11:03 am

1 stop14h 03m

$268

New WindsorWashington, D.C.

SWF - IAD

SWFIAD

New Windsor Stewart

Mon 11/3

12:01 pm-11:23 am

3 stops23h 22m

Washington, D.C. Dulles Intl

Mon 11/10

11:14 am-6:52 pm

1 stop7h 38m

$322

New WindsorBaltimore

SWF - BWI

SWFBWI

New Windsor Stewart

Thu 10/9

11:43 am-7:35 pm

1 stop7h 52m

Baltimore/Washington

Sun 10/12

8:21 pm-10:11 am

1 stop13h 50m

$330

New WindsorWashington, D.C.

SWF - IAD

SWFIAD

New Windsor Stewart

Thu 10/2

7:11 pm-3:49 pm

2 stops20h 38m

Washington, D.C. Dulles Intl

Mon 10/6

10:09 am-7:31 pm

1 stop9h 22m

$351

New WindsorWashington, D.C.

SWF - IAD

SWFIAD

New Windsor Stewart

Thu 10/2

7:11 pm-3:49 pm

2 stops20h 38m

Washington, D.C. Dulles Intl

Mon 10/6

12:50 pm-10:26 am

3 stops21h 36m

$441

New WindsorWashington, D.C.

SWF - IAD

SWFIAD

New Windsor Stewart

Fri 10/10

11:41 am-11:21 am

3 stops23h 40m

Washington, D.C. Dulles Intl

Sun 10/12

12:50 pm-10:11 am

3 stops21h 21m

$532

New WindsorWashington, D.C.

SWF - IAD

SWFIAD

New Windsor Stewart

Fri 10/17

11:31 am-5:20 pm

3 stops29h 49m

Washington, D.C. Dulles Intl

Fri 10/24

10:09 am-7:16 pm

1 stop9h 07m

$548

New WindsorWashington, D.C.

SWF - IAD

SWFIAD

New Windsor Stewart

Wed 11/26

10:41 am-11:23 am

3 stops24h 42m

Washington, D.C. Dulles Intl

Sun 11/30

8:25 am-9:06 am

3 stops24h 41m

$707

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 27 results
1
2
3

Best time to book a flight from Stewart to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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 Washington, D.C.

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

Currently, August is the cheapest month in which you can book a flight from New Windsor to Washington, D.C. (average of $292). Flying from New Windsor to Washington, D.C. in April is currently the most expensive (average of $337). 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 Washington, D.C.. 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 from for flights from New Windsor to Washington, D.C.?

    New Windsor Stewart (SWF) is the airport you will fly out of if you book a flight from New Windsor to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Stewart; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the New Windsor airport to Washington, D.C.. It is only a 4.3 mi journey to Stewart (SWF) from New Windsor’s city center.

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

    There are many flights that can get you from New Windsor to Washington, D.C. in 20h 38m. Fly via Allegiant Air to get the fastest option. New Windsor and Washington, D.C. are separated by a distance of 249 mi.

  • What are the most popular routes from New Windsor to Washington, D.C.?

    The most popular flight routes from New Windsor to Washington, D.C. are New Windsor Stewart - Baltimore/Washington, New Windsor Stewart - Washington, D.C. Dulles Intl and New Windsor Stewart - Washington, D.C. Reagan-National.

  • Can I find deals for flights from Stewart to Washington, D.C. that include hotel bookings?

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

  • How can I find direct flights from Stewart to Washington, D.C.?

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

  • Can I find deals for business class flights from Stewart to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Stewart to Washington, D.C. 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 Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from New Windsor to Washington, D.C. (average of $292). Flying from New Windsor to Washington, D.C. in April is currently the most expensive (average of $337). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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 Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
Newark to Dulles Intl flights
LaGuardia to Reagan-National flights
LaGuardia to Dulles Intl flights
Newark to Reagan-National flights
Syracuse to Dulles Intl flights
Albany to Reagan-National flights
Syracuse to Reagan-National flights
Rochester to Reagan-National flights
Buffalo to Reagan-National flights
Rochester to Dulles Intl flights
Buffalo to Dulles Intl flights
Albany to Dulles Intl flights
White Plains to Dulles Intl flights
White Plains to Reagan-National flights
Ithaca to Dulles Intl flights
Islip to Reagan-National flights
Ithaca to Reagan-National flights
Rutland to Reagan-National flights
Stewart to Dulles Intl flights
Saranac Lake to Reagan-National flights
Watertown to Reagan-National flights
Binghamton to Reagan-National flights
Elmira to Reagan-National flights
Binghamton to Dulles Intl flights
Stewart to Reagan-National flights
Rutland to Dulles Intl flights
Saranac Lake to Dulles Intl 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.