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Dulles Intl

$106+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — IAD
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
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 March 20, 2026.

This American Airlines deal was found by Cheapflights users on 3/16. 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 4/156:59 pm
HPN
-
IAD
1 stop5h 00m
American Airlines
Wed 4/229:19 am
IAD
-
HPN
1 stop7h 27m
American Airlines
Deal found 3/16$411
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/312:08 pm
HPN
-
IAD
2 stops49h 22m
Multiple Airlines
Mon 4/66:49 pm
IAD
-
HPN
1 stop25h 41m
Multiple Airlines
Deal found 3/20$429
This American Airlines deal was found by Cheapflights users on 3/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:59 pm
HPN
-
IAD
1 stop5h 00m
American Airlines
Sat 5/96:25 am
IAD
-
HPN
1 stop6h 35m
American Airlines
Deal found 3/17$440
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:55 am
HPN
-
IAD
1 stop4h 47m
American Airlines
Sun 5/316:20 am
IAD
-
HPN
1 stop6h 53m
American Airlines
Deal found 3/18$460
This American Airlines deal was found by Cheapflights users on 3/16. 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 3/313:00 pm
HPN
-
IAD
1 stop5h 29m
American Airlines
Sat 4/49:19 am
IAD
-
HPN
1 stop7h 41m
American Airlines
Deal found 3/16$463
This American Airlines deal was found by Cheapflights users on 3/20. 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 5/297:55 am
HPN
-
IAD
1 stop4h 41m
American Airlines
Mon 6/19:20 am
IAD
-
HPN
1 stop7h 39m
American Airlines
Deal found 3/20$469
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:43 pm
HPN
-
IAD
1 stop5h 50m
American Airlines
Sun 5/316:20 am
IAD
-
HPN
1 stop6h 53m
American Airlines
Deal found 3/18$489
This American Airlines deal was found by Cheapflights users on 3/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:49 am
HPN
-
IAD
1 stop7h 02m
American Airlines
Sun 4/196:25 am
IAD
-
HPN
1 stop6h 35m
American Airlines
Deal found 3/17$498
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:00 pm
HPN
-
IAD
1 stop8h 06m
Multiple Airlines
Sun 5/36:20 am
IAD
-
HPN
2 stops29h 08m
Multiple Airlines
Deal found 3/19$499
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:30 pm
HPN
-
IAD
1 stop5h 55m
American Airlines
Sat 5/166:25 am
IAD
-
HPN
1 stop6h 35m
American Airlines
Deal found 3/18$503
This American Airlines deal was found by Cheapflights users on 3/16. 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 3/197:47 am
HPN
-
IAD
1 stop5h 45m
American Airlines
Sun 3/225:00 am
IAD
-
HPN
1 stop4h 29m
American Airlines
Deal found 3/16$525
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Wed 4/156:00 pm
HPN
-
IAD
1 stop17h 53m
Multiple Airlines
Sun 4/196:20 am
IAD
-
HPN
2 stops29h 08m
Multiple Airlines
Deal found 3/18$544

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 March 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$411
(American Airlines)

One-way from

$106
(Kiwi.com)

Popular in

March

Cheapest in

April

Average price

$267
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. 1% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 20, 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

Thu 5/7

6:59 pm-11:59 pm

1 stop5h 00m

Washington, D.C. Dulles Intl

Sat 5/9

6:25 am-1:00 pm

1 stop6h 35m

$440

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 5/14

6:59 pm-11:59 pm

1 stop5h 00m

Washington, D.C. Dulles Intl

Sat 5/16

6:25 am-1:00 pm

1 stop6h 35m

$440

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 4/18

7:49 am-2:51 pm

1 stop7h 02m

Washington, D.C. Dulles Intl

Sun 4/19

6:25 am-1:00 pm

1 stop6h 35m

$498

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 4/16

10:05 am-2:51 pm

1 stop4h 46m

Washington, D.C. Dulles Intl

Sun 4/19

6:25 am-1:00 pm

1 stop6h 35m

$525

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 4/2

7:47 am-1:32 pm

1 stop5h 45m

Washington, D.C. Dulles Intl

Sat 4/4

9:19 am-5:00 pm

1 stop7h 41m

$525

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 5/29

7:55 am-12:36 pm

1 stop4h 41m

Washington, D.C. Dulles Intl

Mon 6/1

9:20 am-4:59 pm

1 stop7h 39m

$546
Quickest round-trip

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 4/2

7:47 am-1:32 pm

1 stop5h 45m

Washington, D.C. Dulles Intl

Fri 4/3

5:00 am-9:29 am

1 stop4h 29m

$617
Cheapest one-way

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Wed 4/15

7:40 pm-8:06 pm

1 stop24h 26m

$248

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sun 4/5

12:08 pm-10:11 am

2 stops22h 03m

$333

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sun 3/29

8:00 am-8:55 pm

3 stops36h 55m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 March.
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.

Cheapflights Insights

Everything you need to know about your flight from White Plains to Washington, D.C. Dulles Intl Airport

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

Currently, June is the cheapest month in which you can book a flight from White Plains to Washington, D.C. Dulles Intl Airport (average of $64). Flying from White Plains to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $140). 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 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 5h 11m. 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.

  • What is the cheapest month to book a flight from White Plains to Washington, D.C. Dulles Intl Airport?

    Currently, June is the cheapest month in which you can book a flight from White Plains to Washington, D.C. Dulles Intl Airport (average of $64). Flying from White Plains to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $140). 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. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park
Cordova

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