HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$163+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — IAD
Feb 18 — Feb 251
Wed 2/18
Wed 2/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from White Plains to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 January 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$400
(American Airlines)

One-way from

$163
(Trip.com)

Popular in

January

Cheapest in

April

Average price

$278
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. 16% potential increase in price ($39 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 January 2026
Search Deals

Find 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 January 19, 2026.

This American Airlines deal was found by Cheapflights users on 1/18. 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.
Tue 2/2410:05 am
HPN
-
IAD
1 stop4h 34m
American Airlines
Sun 3/15:00 am
IAD
-
HPN
1 stop4h 29m
American Airlines
Deal found 1/18$400
This American Airlines deal was found by Cheapflights users on 1/18. 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.
Tue 6/210:00 am
HPN
-
IAD
1 stop7h 14m
American Airlines
Sat 6/66:40 am
IAD
-
HPN
1 stop6h 32m
American Airlines
Deal found 1/18$415
This American Airlines deal was found by Cheapflights users on 1/18. 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.
Tue 2/37:30 am
HPN
-
IAD
1 stop5h 06m
American Airlines
Sat 2/75:46 pm
IAD
-
HPN
1 stop4h 09m
American Airlines
Deal found 1/18$423
This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:57 pm
HPN
-
IAD
1 stop5h 02m
American Airlines
Sat 4/186:26 am
IAD
-
HPN
1 stop6h 34m
American Airlines
Deal found 1/19$426
This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:47 am
HPN
-
IAD
1 stop5h 45m
American Airlines
Mon 3/25:00 am
IAD
-
HPN
1 stop4h 29m
American Airlines
Deal found 1/19$429
This American Airlines deal was found by Cheapflights users on 1/18. 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 3/137:47 am
HPN
-
IAD
1 stop5h 45m
American Airlines
Sun 3/155:00 am
IAD
-
HPN
1 stop4h 29m
American Airlines
Deal found 1/18$479
This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/227:30 am
HPN
-
IAD
1 stop5h 06m
American Airlines
Sat 1/247:01 am
IAD
-
HPN
1 stop5h 59m
American Airlines
Deal found 1/19$484
This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/237:30 am
HPN
-
IAD
1 stop5h 06m
American Airlines
Sun 1/257:04 am
IAD
-
HPN
1 stop5h 56m
American Airlines
Deal found 1/19$485
This American Airlines deal was found by Cheapflights users on 1/18. 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 5/297:55 am
HPN
-
IAD
1 stop4h 41m
American Airlines
Mon 6/16:40 am
IAD
-
HPN
1 stop6h 32m
American Airlines
Deal found 1/18$506
This American Airlines deal was found by Cheapflights users on 1/18. 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 2/131:37 pm
HPN
-
IAD
1 stop6h 53m
American Airlines
Sun 2/155:00 am
IAD
-
HPN
1 stop4h 29m
American Airlines
Deal found 1/18$528
This American Airlines deal was found by Cheapflights users on 1/18. 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.
Tue 6/210:00 am
HPN
-
IAD
1 stop7h 14m
American Airlines
Sun 6/76:40 am
IAD
-
HPN
1 stop6h 32m
American Airlines
Deal found 1/18$532
This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/287:30 am
HPN
-
IAD
1 stop5h 06m
American Airlines
Fri 1/307:01 am
IAD
-
HPN
1 stop5h 59m
American Airlines
Deal found 1/19$536

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 January 19, 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

White Plains

Fly to

Dulles Intl

Route

Depart

Return

Price

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Tue 2/24

10:05 am-2:39 pm

1 stop4h 34m

Washington, D.C. Dulles Intl

Sun 3/1

5:00 am-9:29 am

1 stop4h 29m

$400

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 2/20

10:05 am-4:16 pm

1 stop6h 11m

Washington, D.C. Dulles Intl

Sat 2/21

5:00 am-9:29 am

1 stop4h 29m

$400

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 3/14

1:37 pm-8:30 pm

1 stop6h 53m

Washington, D.C. Dulles Intl

Mon 3/16

4:46 pm-10:59 pm

1 stop6h 13m

$400

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Tue 6/2

10:00 am-5:14 pm

1 stop7h 14m

Washington, D.C. Dulles Intl

Sat 6/6

6:40 am-1:12 pm

1 stop6h 32m

$415

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Tue 2/3

7:30 am-12:36 pm

1 stop5h 06m

Washington, D.C. Dulles Intl

Sat 2/7

5:46 pm-9:55 pm

1 stop4h 09m

$423

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 4/16

6:57 pm-11:59 pm

1 stop5h 02m

Washington, D.C. Dulles Intl

Sat 4/18

6:26 am-1:00 pm

1 stop6h 34m

$426

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 4/16

1:30 pm-7:25 pm

1 stop5h 55m

Washington, D.C. Dulles Intl

Mon 4/20

6:26 am-1:00 pm

1 stop6h 34m

$429

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 3/6

7:47 am-1:32 pm

1 stop5h 45m

Washington, D.C. Dulles Intl

Sun 3/8

5:00 am-9:29 am

1 stop4h 29m

$429

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 3/19

7:47 am-1:32 pm

1 stop5h 45m

Washington, D.C. Dulles Intl

Sun 3/22

4:46 pm-10:59 pm

1 stop6h 13m

$479

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 3/13

7:47 am-1:32 pm

1 stop5h 45m

Washington, D.C. Dulles Intl

Sun 3/15

5:00 am-9:29 am

1 stop4h 29m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 22 results
1
2
3

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Expedia the most. Expedia 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 $50). Flying from White Plains to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $129). 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 4h 34m. 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, March is the cheapest month in which you can book a flight from White Plains to Washington, D.C. Dulles Intl Airport (average of $50). Flying from White Plains to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $129). 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
Silver Spring
Hanover
Herndon
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for White Plains to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
Newark to Dulles Intl flights
LaGuardia to Dulles Intl flights
Newark to Reagan-National flights
LaGuardia to Baltimore flights
Albany to Dulles Intl flights
Syracuse to Dulles Intl flights
Albany to Reagan-National flights
Newark to Baltimore flights
Buffalo to Dulles Intl flights
Syracuse to Reagan-National flights
Rochester to Dulles Intl flights
John F Kennedy Intl to Baltimore flights
Buffalo to Baltimore flights
Buffalo to Reagan-National flights
Rochester to Reagan-National flights
Syracuse to Baltimore flights
White Plains to Reagan-National flights
Albany to Baltimore flights
Rochester to Baltimore flights
Ithaca to Dulles Intl flights
White Plains to Baltimore flights
Islip to Baltimore flights
Stewart to Baltimore flights
Islip to Reagan-National flights
Ithaca to Reagan-National flights
Saranac Lake to Reagan-National flights
Ithaca to Baltimore flights
Watertown to Baltimore flights
Stewart to Reagan-National flights
Watertown to Reagan-National flights
Rutland to Baltimore flights
Plattsburgh to Baltimore flights
Binghamton to Reagan-National flights
Binghamton to Dulles Intl flights
Rutland to Reagan-National flights
Rutland to Dulles Intl flights
Saranac Lake to Baltimore flights
Saranac Lake to Dulles Intl flights
Elmira to Reagan-National flights
Stewart to Dulles Intl flights
Niagara Falls to Baltimore flights
Elmira to Baltimore flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.