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Westchester County

$138+ Cheap flights from Dulles Intl (IAD) to Westchester County

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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HPN
Jun 27 — Jul 41
Sat 6/27
Sat 7/4
1 adult, Economy
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Cheap flight deals from Dulles Intl to Westchester County

Cheapest flights from Dulles Intl to Westchester County
Explore the most affordable flight options available from Dulles Intl to Westchester County. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/26. 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 6/288:38 am
IAD
-
HPN
1 stop28h 06m
Multiple Airlines
Fri 7/36:09 pm
HPN
-
IAD
2 stops43h 11m
Multiple Airlines
Deal found 5/26$314
This American Airlines deal was found by Cheapflights users on 5/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/159:20 am
IAD
-
HPN
1 stop7h 36m
American Airlines
Wed 7/226:59 pm
HPN
-
IAD
1 stop5h 11m
American Airlines
Deal found 5/27$411
This American Airlines deal was found by Cheapflights users on 5/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:20 am
IAD
-
HPN
1 stop7h 39m
American Airlines
Sat 5/307:55 am
HPN
-
IAD
1 stop4h 47m
American Airlines
Deal found 5/27$437
This American Airlines deal was found by Cheapflights users on 5/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:03 am
IAD
-
HPN
1 stop4h 25m
American Airlines
Mon 7/66:59 pm
HPN
-
IAD
1 stop5h 11m
American Airlines
Deal found 5/25$450
This American Airlines deal was found by Cheapflights users on 5/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/91:06 pm
IAD
-
HPN
1 stop7h 23m
American Airlines
Tue 6/161:43 pm
HPN
-
IAD
1 stop5h 50m
American Airlines
Deal found 5/28$463
This American Airlines deal was found by Cheapflights users on 5/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:10 am
IAD
-
HPN
1 stop7h 02m
American Airlines
Mon 9/141:42 pm
HPN
-
IAD
1 stop5h 17m
American Airlines
Deal found 5/28$476
This American Airlines deal was found by Cheapflights users on 5/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:25 am
IAD
-
HPN
1 stop6h 28m
American Airlines
Sun 10/47:55 am
HPN
-
IAD
1 stop5h 04m
American Airlines
Deal found 5/27$478
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 9/189:21 am
IAD
-
HPN
2 stops11h 39m
Multiple Airlines
Sun 9/208:17 am
HPN
-
IAD
1 stop11h 11m
Multiple Airlines
Deal found 5/26$479
This American Airlines deal was found by Cheapflights users on 5/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:08 pm
IAD
-
HPN
1 stop7h 21m
American Airlines
Sun 7/126:59 pm
HPN
-
IAD
1 stop5h 11m
American Airlines
Deal found 5/25$489
This American Airlines deal was found by Cheapflights users on 5/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:20 am
IAD
-
HPN
1 stop7h 39m
American Airlines
Sun 5/317:55 am
HPN
-
IAD
1 stop4h 41m
American Airlines
Deal found 5/26$499
This American Airlines deal was found by Cheapflights users on 5/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/209:20 am
IAD
-
HPN
1 stop7h 39m
American Airlines
Mon 6/226:59 pm
HPN
-
IAD
1 stop5h 14m
American Airlines
Deal found 5/27$504
This American Airlines deal was found by Cheapflights users on 5/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:57 am
IAD
-
HPN
1 stop6h 16m
American Airlines
Sun 10/187:50 pm
HPN
-
IAD
1 stop3h 56m
American Airlines
Deal found 5/25$528

Find flight deals from Dulles Intl to Westchester County

Keep the following information in mind while searching for Dulles Intl to Westchester County flight deals. Data was last updated May 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$314
(Kiwi.com)

One-way from

$138
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$275
Provider with most accurate pricing for Washington, D.C. (WAS)-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-New York (NYC) flights.
Search Deals
From Washington, D.C. Dulles Intl to Westchester County
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Westchester County
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($26 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 May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Westchester County 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 May 28, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Westchester County that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Wed 7/15

9:20 am-4:56 pm

1 stop7h 36m

White Plains Westchester County

Wed 7/22

1:43 pm-7:34 pm

1 stop5h 51m

$411

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Tue 9/1

1:23 pm-8:29 pm

1 stop7h 06m

White Plains Westchester County

Thu 10/1

7:55 am-12:59 pm

1 stop5h 04m

$450
Quickest round-trip

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Fri 7/3

5:03 am-9:28 am

1 stop4h 25m

White Plains Westchester County

Mon 7/6

6:59 pm-12:10 am

1 stop5h 11m

$450

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Tue 9/8

6:10 am-1:12 pm

1 stop7h 02m

White Plains Westchester County

Mon 9/14

1:42 pm-6:59 pm

1 stop5h 17m

$476

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Fri 9/18

9:21 am-9:00 pm

2 stops11h 39m

White Plains Westchester County

Sun 9/20

8:17 am-7:28 pm

1 stop11h 11m

$479

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Sat 6/20

9:20 am-4:59 pm

1 stop7h 39m

White Plains Westchester County

Mon 6/22

6:59 pm-12:13 am

1 stop5h 14m

$504

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Thu 6/11

6:20 am-1:13 pm

1 stop6h 53m

White Plains Westchester County

Mon 6/15

6:59 pm-12:13 am

1 stop5h 14m

$545

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Fri 7/3

5:03 am-9:28 am

1 stop4h 25m

White Plains Westchester County

Sun 7/5

6:59 pm-12:10 am

1 stop5h 11m

$648

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Fri 6/12

6:20 am-1:13 pm

1 stop6h 53m

White Plains Westchester County

Sun 6/14

6:59 pm-12:13 am

1 stop5h 14m

$649
Cheapest one-way

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Thu 6/4

2:10 pm-7:00 pm

1 stop28h 50m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/25

Showing 1-10 of 19 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to Westchester County

Have a flexible travel schedule? Discover the best time to fly to Westchester County 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 Westchester County
No data available for this route at this time. Please check back soon.

Related info for your journey

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

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

    Departing from Washington, D.C. Dulles Intl Airport to Westchester County will take you 7h 36m. There are 246 mi between Washington, D.C. Dulles Intl Airport and Westchester County.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Westchester County by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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