HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$142+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — IAD
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
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 septiembre 16, 2025.

Round-trip from

$310
(Kiwi.com)

One-way from

$142
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$232
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. 19% potential increase in price ($53 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 September 2025
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 septiembre 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
vie. 10/3112:10 pmHPN - IAD
2 stops11h 19mMultiple Airlines
dom. 11/28:13 pmIAD - HPN
1 stop16h 27mMultiple Airlines
Deal found 9/14$310
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/312:10 pmHPN - IAD
2 stops7h 41mMultiple Airlines
jue. 11/68:22 pmIAD - HPN
1 stop16h 18mMultiple Airlines
Deal found 9/15$332
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2712:10 pmHPN - IAD
2 stops9h 28mMultiple Airlines
jue. 10/308:13 pmIAD - HPN
1 stop16h 27mMultiple Airlines
Deal found 9/15$337
This American Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 10/151:30 pmHPN - IAD
1 stop5h 24mAmerican Airlines
sáb. 10/186:34 amIAD - HPN
1 stop6h 31mAmerican Airlines
Deal found 9/14$343
This American Airlines deal was found by Cheapflights users on 9/15. 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.
sáb. 11/11:35 pmHPN - IAD
1 stop6h 10mAmerican Airlines
lun. 11/37:59 amIAD - HPN
1 stop5h 01mAmerican Airlines
Deal found 9/15$363
This American Airlines deal was found by Cheapflights users on 9/14. 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.
sáb. 10/186:59 pmHPN - IAD
1 stop4h 54mAmerican Airlines
dom. 10/195:06 amIAD - HPN
1 stop4h 23mAmerican Airlines
Deal found 9/14$365
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/117:40 pmHPN - IAD
1 stop24h 15mMultiple Airlines
lun. 10/139:28 pmIAD - HPN
2 stops14h 01mMultiple Airlines
Deal found 9/16$377
This American Airlines deal was found by Cheapflights users on 9/14. 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.
mar. 10/141:30 pmHPN - IAD
1 stop5h 24mAmerican Airlines
mar. 10/218:09 amIAD - HPN
1 stop4h 51mAmerican Airlines
Deal found 9/14$393
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/268:25 amHPN - IAD
2 stops11h 44mMultiple Airlines
dom. 9/282:10 pmIAD - HPN
1 stop28h 50mMultiple Airlines
Deal found 9/15$413
This Delta deal was found by Cheapflights users on 9/13. 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.
sáb. 12/1312:44 pmHPN - IAD
1 stop10h 33mDelta
mar. 12/163:38 pmIAD - HPN
2 stops20h 32mDelta
Deal found 9/13$419

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 septiembre 16, 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

lun. 11/3

12:10 pm-7:51 pm

2 stops7h 41m

Washington, D.C. Dulles Intl

jue. 11/6

8:22 pm-12:40 pm

1 stop16h 18m

$332

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

mié. 10/15

1:30 pm-6:54 pm

1 stop5h 24m

Washington, D.C. Dulles Intl

sáb. 10/18

6:34 am-1:05 pm

1 stop6h 31m

$343

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

sáb. 12/13

6:00 am-7:25 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

mar. 12/16

5:59 pm-9:44 am

1 stop15h 45m

$343

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

vie. 11/14

7:59 am-1:35 pm

1 stop5h 36m

Washington, D.C. Dulles Intl

sáb. 11/15

9:12 am-4:51 pm

1 stop7h 39m

$363

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

jue. 11/13

6:49 pm-11:59 pm

1 stop5h 10m

Washington, D.C. Dulles Intl

sáb. 11/15

9:12 am-4:51 pm

1 stop7h 39m

$363

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

sáb. 11/8

6:49 pm-11:59 pm

1 stop5h 10m

Washington, D.C. Dulles Intl

lun. 11/10

5:29 pm-10:30 pm

1 stop5h 01m

$363

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

sáb. 11/1

1:35 pm-7:45 pm

1 stop6h 10m

Washington, D.C. Dulles Intl

lun. 11/3

7:59 am-1:00 pm

1 stop5h 01m

$363

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

sáb. 10/11

7:40 pm-7:55 pm

1 stop24h 15m

Washington, D.C. Dulles Intl

lun. 10/13

9:28 pm-11:29 am

2 stops14h 01m

$377

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

vie. 9/26

8:25 am-8:09 pm

2 stops11h 44m

Washington, D.C. Dulles Intl

dom. 9/28

2:10 pm-7:00 pm

1 stop28h 50m

$413

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

mar. 10/14

7:45 am-1:48 pm

1 stop6h 03m

Washington, D.C. Dulles Intl

mar. 10/21

10:25 am-4:59 pm

1 stop6h 34m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 18 results
1
2

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, August is the cheapest month in which you can book a flight from White Plains to Washington, D.C. Dulles Intl Airport (average of $292). Flying from White Plains to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 24m. 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, August is the cheapest month in which you can book a flight from White Plains to Washington, D.C. Dulles Intl Airport (average of $292). Flying from White Plains to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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.
John F Kennedy Intl to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
LaGuardia to Reagan-National flights
LaGuardia to Dulles Intl flights
John F Kennedy Intl to Baltimore flights
LaGuardia to Baltimore flights
Newark to Dulles Intl flights
Newark to Baltimore flights
Newark to Reagan-National flights
Syracuse to Reagan-National flights
Syracuse to Dulles Intl flights
Buffalo to Dulles Intl flights
Albany to Reagan-National flights
Buffalo to Baltimore flights
Syracuse to Baltimore flights
Rochester to Dulles Intl flights
Albany to Dulles Intl flights
Rochester to Reagan-National flights
Rochester to Baltimore flights
White Plains to Reagan-National flights
Albany to Baltimore flights
White Plains to Baltimore flights
Buffalo to Reagan-National flights
Ithaca to Dulles Intl flights
Stewart to Baltimore flights
Islip to Baltimore flights
Ithaca to Reagan-National flights
Islip to Reagan-National flights
Saranac Lake to Reagan-National flights
Stewart to Dulles Intl flights
Binghamton to Reagan-National flights
Rutland to Reagan-National flights
Elmira to Reagan-National flights
Ithaca to Baltimore flights
Binghamton to Dulles Intl flights
Watertown to Reagan-National flights
Rutland to Baltimore flights
Stewart to Reagan-National flights
Watertown to Baltimore flights
Saranac Lake to Dulles Intl flights
Saranac Lake to Baltimore flights
Rutland to Dulles Intl flights
Plattsburgh to Baltimore 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.