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Dulles Intl

$150+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — IAD
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 December 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:49 pmHPN - IAD
1 stop5h 12mAmerican Airlines
Tue 12/167:55 amIAD - HPN
1 stop5h 05mAmerican Airlines
Deal found 12/2$403
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Wed 12/101:14 pmHPN - IAD
2 stops19h 12mMultiple Airlines
Thu 12/112:10 pmIAD - HPN
1 stop28h 50mMultiple Airlines
Deal found 12/1$412
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/196:56 pmHPN - IAD
1 stop5h 08mAmerican Airlines
Sat 1/175:46 pmIAD - HPN
1 stop4h 09mAmerican Airlines
Deal found 12/4$438
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/3110:05 amHPN - IAD
1 stop5h 54mAmerican Airlines
Wed 1/711:34 amIAD - HPN
1 stop5h 11mAmerican Airlines
Deal found 12/3$444
This American Airlines deal was found by Cheapflights users on 12/1. 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 12/61:36 pmHPN - IAD
1 stop5h 55mAmerican Airlines
Sun 12/74:40 pmIAD - HPN
1 stop6h 07mAmerican Airlines
Deal found 12/1$464
This American Airlines deal was found by Cheapflights users on 12/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:05 amHPN - IAD
1 stop6h 54mAmerican Airlines
Mon 12/155:29 pmIAD - HPN
1 stop5h 01mAmerican Airlines
Deal found 12/2$465
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/186:56 pmHPN - IAD
1 stop5h 08mAmerican Airlines
Mon 12/224:29 pmIAD - HPN
1 stop6h 31mAmerican Airlines
Deal found 12/3$486
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Sat 12/131:29 pmHPN - IAD
2 stops18h 57mMultiple Airlines
Sun 12/142:10 pmIAD - HPN
1 stop28h 50mMultiple Airlines
Deal found 12/2$504
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Fri 12/512:10 pmHPN - IAD
2 stops8h 14mMultiple Airlines
Sun 12/711:40 amIAD - HPN
1 stop25h 00mMultiple Airlines
Deal found 12/2$507
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/196:56 pmHPN - IAD
1 stop5h 08mAmerican Airlines
Mon 12/224:29 pmIAD - HPN
1 stop6h 31mAmerican Airlines
Deal found 12/3$508
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Sat 12/66:00 pmHPN - IAD
1 stop22h 31mMultiple Airlines
Fri 12/129:26 amIAD - HPN
2 stops50h 03mMultiple Airlines
Deal found 12/3$521
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/306:56 pmHPN - IAD
1 stop37h 46mAmerican Airlines
Mon 1/54:29 pmIAD - HPN
1 stop18h 01mAmerican Airlines
Deal found 12/3$583

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$351
(American Airlines)

One-way from

$150
(Kiwi.com)

Popular in

January

Cheapest in

April

Average price

$266
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. 21% potential increase in price ($57 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 December 2025
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 December 4, 2025.
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

White Plains

Fly to

Dulles Intl

Route

Depart

Return

Price

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 1/24

6:00 am-12:24 am

1 stop18h 24m

Washington, D.C. Dulles Intl

Tue 1/27

12:40 pm-10:00 pm

1 stop9h 20m

$333

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Tue 2/10

11:00 am-5:16 pm

1 stop6h 16m

Washington, D.C. Dulles Intl

Sat 2/14

6:34 am-1:00 pm

1 stop6h 26m

$351

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 4/11

8:26 am-12:30 pm

1 stop4h 04m

Washington, D.C. Dulles Intl

Mon 4/13

5:05 am-9:14 am

1 stop4h 09m

$380

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 1/17

6:40 pm-11:42 pm

1 stop5h 02m

Washington, D.C. Dulles Intl

Sun 1/18

7:04 am-1:00 pm

1 stop5h 56m

$380

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 1/24

7:30 am-12:36 pm

1 stop5h 06m

Washington, D.C. Dulles Intl

Sun 1/25

7:04 am-1:00 pm

1 stop5h 56m

$380

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 1/16

11:00 am-5:16 pm

1 stop6h 16m

Washington, D.C. Dulles Intl

Sat 1/17

7:01 am-1:00 pm

1 stop5h 59m

$380

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 2/5

6:40 pm-11:12 pm

1 stop4h 32m

Washington, D.C. Dulles Intl

Sun 2/8

11:34 am-4:45 pm

1 stop5h 11m

$409

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 1/2

6:56 pm-12:04 am

1 stop5h 08m

Washington, D.C. Dulles Intl

Sun 1/4

4:29 pm-11:00 pm

1 stop6h 31m

$409

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 1/1

7:52 am-1:27 pm

1 stop5h 35m

Washington, D.C. Dulles Intl

Sun 1/4

4:29 pm-11:00 pm

1 stop6h 31m

$409

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 1/2

1:20 pm-8:50 am

1 stop19h 30m

Washington, D.C. Dulles Intl

Sun 1/4

9:58 pm-11:28 am

2 stops13h 30m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 18 results
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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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on White Plains-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, March is the cheapest month in which you can book a flight from White Plains to Washington, D.C. Dulles Intl Airport (average of $48). Flying from White Plains to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $182). 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 6h 16m. The distance from White Plains to Washington, D.C. Dulles Intl Airport is about 246 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, March is the cheapest month in which you can book a flight from White Plains to Washington, D.C. Dulles Intl Airport (average of $48). Flying from White Plains to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $182). 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
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for White Plains to Dulles Intl

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