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Westchester County

$174+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HPN
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap 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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$279
(Kiwi.com)

One-way from

$128
(Kiwi.com)

Popular in

October

Cheapest in

April

Average price

$201
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 Westchester County
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One-way flight from Washington, D.C. Dulles Intl to Westchester County
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Highest demand for flights based on searches. 3% potential increase in price ($6 potential increase over avg. RT price).
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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 January 2026
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Find 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 January 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/110:10 am
IAD
-
HPN
2 stops25h 18m
Multiple Airlines
Sun 3/88:00 am
HPN
-
IAD
1 stop28h 42m
Multiple Airlines
Deal found 1/14$279
This American Airlines deal was found by Cheapflights users on 1/13. 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 1/145:46 pm
IAD
-
HPN
1 stop4h 09m
American Airlines
Wed 1/2111:00 am
HPN
-
IAD
1 stop6h 16m
American Airlines
Deal found 1/13$423
This American Airlines deal was found by Cheapflights users on 1/15. 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 1/175:46 pm
IAD
-
HPN
1 stop4h 09m
American Airlines
Mon 1/197:30 am
HPN
-
IAD
1 stop5h 06m
American Airlines
Deal found 1/15$484
This American Airlines deal was found by Cheapflights users on 1/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2911:34 am
IAD
-
HPN
1 stop5h 11m
American Airlines
Sun 2/17:30 am
HPN
-
IAD
1 stop5h 06m
American Airlines
Deal found 1/14$485
This American Airlines deal was found by Cheapflights users on 1/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/145:46 pm
IAD
-
HPN
1 stop4h 09m
American Airlines
Thu 1/1511:00 am
HPN
-
IAD
1 stop49h 36m
American Airlines
Deal found 1/14$750
This American Airlines deal was found by Cheapflights users on 1/13. 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 1/2011:34 am
IAD
-
HPN
1 stop5h 11m
American Airlines
Wed 1/2111:00 am
HPN
-
IAD
1 stop6h 16m
American Airlines
Deal found 1/13$811
This American Airlines deal was found by Cheapflights users on 1/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/277:01 am
IAD
-
HPN
1 stop5h 59m
American Airlines
Thu 1/297:30 am
HPN
-
IAD
1 stop5h 06m
American Airlines
Deal found 1/14$884
This American Airlines deal was found by Cheapflights users on 1/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:40 am
IAD
-
HPN
1 stop6h 32m
American Airlines
Wed 6/106:56 pm
HPN
-
IAD
1 stop51h 02m
American Airlines
Deal found 1/14$1,118
This Delta deal was found by Cheapflights users on 1/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/226:00 am
IAD
-
HPN
1 stop5h 57m
Delta
Thu 1/225:12 pm
HPN
-
IAD
1 stop5h 54m
Delta
Deal found 1/13$1,401

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 January 15, 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

Dulles Intl

Fly to

Westchester County

Route

Depart

Return

Price

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Sun 3/1

10:10 am-11:28 am

2 stops25h 18m

White Plains Westchester County

Sun 3/8

8:00 am-12:42 pm

1 stop28h 42m

$279

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Thu 2/12

9:18 am-5:00 pm

1 stop7h 42m

White Plains Westchester County

Mon 2/16

1:37 pm-8:30 pm

1 stop6h 53m

$485

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Thu 1/29

11:34 am-4:45 pm

1 stop5h 11m

White Plains Westchester County

Sun 2/1

7:30 am-12:36 pm

1 stop5h 06m

$485

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Fri 1/30

11:34 am-4:45 pm

1 stop5h 11m

White Plains Westchester County

Sun 2/1

6:40 pm-11:12 pm

1 stop4h 32m

$485

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Thu 1/29

11:34 am-4:45 pm

1 stop5h 11m

White Plains Westchester County

Mon 2/2

11:00 am-5:16 pm

1 stop6h 16m

$485

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Fri 5/1

6:26 am-1:00 pm

1 stop6h 34m

White Plains Westchester County

Mon 5/4

6:57 pm-11:59 pm

1 stop5h 02m

$485

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Tue 1/27

7:01 am-1:00 pm

1 stop5h 59m

White Plains Westchester County

Thu 1/29

7:30 am-12:36 pm

1 stop5h 06m

$884

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Wed 6/10

6:40 am-1:12 pm

1 stop6h 32m

White Plains Westchester County

Wed 6/10

6:56 pm-9:58 pm

1 stop51h 02m

$1,118

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Thu 1/22

5:37 pm-11:28 am

3 stops17h 51m

$174

Washington, D.C.White Plains

IAD - HPN

IADHPN

Washington, D.C. Dulles Intl

Thu 1/29

5:37 pm-11:28 am

2 stops17h 51m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 16 results
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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 5h 11m. 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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Alternative routes for Dulles Intl to Westchester County

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