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Dulles Intl

$112+ Cheap flights from White Plains (HPN) to Dulles Intl (IAD)

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — IAD
Sep 2 — Sep 91
Wed 9/2
Wed 9/9
1 adult, Economy
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Cheap flight deals from White Plains to Dulles Intl

Cheapest flights from White Plains to Dulles Intl
Explore the most affordable flight options available from White Plains to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/107:45 pm
HPN
-
IAD
2 stops21h 33m
Multiple Airlines
Thu 9/171:47 pm
IAD
-
HPN
1 stop29h 13m
Multiple Airlines
Deal found 8/2$303
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/138:17 am
HPN
-
IAD
1 stop11h 11m
Multiple Airlines
Sat 9/197:50 am
IAD
-
HPN
2 stops13h 10m
Multiple Airlines
Deal found 7/31$313
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/108:17 am
HPN
-
IAD
1 stop11h 11m
Breeze Airways
Thu 9/171:47 pm
IAD
-
HPN
1 stop29h 13m
Breeze Airways
Deal found 8/2$375
This American Airlines deal was found by Cheapflights users on 7/30. 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 9/911:02 am
HPN
-
IAD
1 stop6h 29m
American Airlines
Sat 9/127:57 am
IAD
-
HPN
1 stop5h 15m
American Airlines
Deal found 7/30$421
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/68:00 am
HPN
-
IAD
2 stops25h 50m
Multiple Airlines
Thu 9/101:47 pm
IAD
-
HPN
1 stop29h 13m
Multiple Airlines
Deal found 7/29$428
This American Airlines deal was found by Cheapflights users on 7/29. 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 8/266:51 pm
HPN
-
IAD
1 stop4h 04m
American Airlines
Sat 8/291:23 pm
IAD
-
HPN
1 stop7h 06m
American Airlines
Deal found 7/29$447
This American Airlines deal was found by Cheapflights users on 8/1. 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 10/106:59 pm
HPN
-
IAD
1 stop4h 59m
American Airlines
Mon 10/125:01 am
IAD
-
HPN
1 stop4h 28m
American Airlines
Deal found 8/1$460
This American Airlines deal was found by Cheapflights users on 7/29. 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 8/111:42 pm
HPN
-
IAD
1 stop7h 14m
American Airlines
Sat 8/157:57 am
IAD
-
HPN
1 stop5h 15m
American Airlines
Deal found 7/29$473
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Sun 9/61:42 pm
HPN
-
IAD
1 stop8h 11m
American Airlines
Thu 9/1012:30 pm
IAD
-
HPN
1 stop4h 23m
American Airlines
Deal found 7/29$488
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/138:00 am
HPN
-
IAD
2 stops26h 25m
Multiple Airlines
Sun 8/164:27 pm
IAD
-
HPN
1 stop20h 17m
Multiple Airlines
Deal found 8/1$496
This American Airlines deal was found by Cheapflights users on 7/30. 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 9/2511:02 am
HPN
-
IAD
1 stop6h 29m
American Airlines
Sun 9/275:01 am
IAD
-
HPN
1 stop5h 29m
American Airlines
Deal found 7/30$499

Find flight deals from White Plains to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from White Plains (HPN) to Dulles Intl (IAD). 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 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$303
(Kiwi.com)

One-way from

$112
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$208
Provider with most accurate pricing for White Plains Westchester County-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for White Plains Westchester County-Washington, D.C. Dulles Intl flights.
Search Deals
From White Plains Westchester County to Washington, D.C. Dulles Intl
Search Deals
One-way flight from White Plains Westchester County to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($38 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 August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from White Plains to Dulles Intl 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 3, 2026.
Use the filters below to find and compare flights from White Plains to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 10/10

6:59 pm-11:58 pm

1 stop4h 59m

Washington, D.C. Dulles Intl

Mon 10/12

5:01 am-9:29 am

1 stop4h 28m

$460

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Wed 8/19

1:42 pm-8:56 pm

1 stop7h 14m

Washington, D.C. Dulles Intl

Wed 8/26

10:27 am-4:53 pm

1 stop6h 26m

$473

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 8/13

8:00 am-10:25 am

2 stops26h 25m

Washington, D.C. Dulles Intl

Sun 8/16

4:27 pm-12:44 pm

1 stop20h 17m

$496

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 9/25

11:02 am-5:31 pm

1 stop6h 29m

Washington, D.C. Dulles Intl

Sun 9/27

5:01 am-10:30 am

1 stop5h 29m

$499

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 1/22

11:00 am-5:16 pm

1 stop6h 16m

Washington, D.C. Dulles Intl

Sun 1/24

6:00 am-10:30 am

1 stop4h 30m

$499

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 12/3

10:05 am-4:10 pm

1 stop6h 05m

Washington, D.C. Dulles Intl

Sun 12/13

9:15 am-4:49 pm

1 stop7h 34m

$499

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 8/27

6:51 pm-10:55 pm

1 stop4h 04m

Washington, D.C. Dulles Intl

Mon 8/31

6:10 am-1:12 pm

1 stop7h 02m

$527
Quickest round-trip

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 8/27

7:55 am-12:48 pm

1 stop4h 53m

Washington, D.C. Dulles Intl

Sun 8/30

5:08 am-9:29 am

1 stop4h 21m

$555

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 8/20

7:55 am-12:48 pm

1 stop4h 53m

Washington, D.C. Dulles Intl

Thu 8/27

7:57 am-1:12 pm

1 stop5h 15m

$555

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 8/13

6:51 pm-10:55 pm

1 stop4h 04m

Washington, D.C. Dulles Intl

Mon 8/17

7:57 am-1:12 pm

1 stop5h 15m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 21 resultsSorted by cheapest first
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Compare providers for flights from White Plains to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from White Plains to Dulles Intl in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on White Plains-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on White Plains-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from White Plains-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on White Plains-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for White Plains-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from White Plains to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from White Plains 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.

Related info for your journey

Find useful and relevant information for your journey from White Plains to Dulles Intl. 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 White Plains to Washington, D.C. Dulles Intl?

    Located just 3.7 mi from the city center, White Plains Westchester County is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from White Plains. Booking flights from Westchester County (HPN) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 0 different airlines.

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

    Departing from White Plains to Washington, D.C. Dulles Intl Airport will take you 4h 59m. The distance from White Plains to Washington, D.C. Dulles Intl Airport is about 246 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from White Plains to Dulles Intl 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Clinton
Hunt Valley
Cordova
Woodbridge

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