What is the cheapest day to fly from White Plains to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their White Plains to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

How far in advance should I book a flight from White Plains to Washington, D.C. Dulles Intl Airport?

Find a great deal and save up to 202% by booking at least 43 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from White Plains to Washington, D.C. Dulles Intl Airport within the next two weeks, with the cheapest ticket starting at $285.

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

April is one of the best times of the year to fly to Washington, D.C. Dulles Intl Airport from White Plains. Prices for April average $227 per person but you can even find prices for as low as $91. The most expensive prices can be found in the month of December. Opting for a April flight can save you 31% on your journey compared to booking in December

What is the cheapest time of day to fly from HPN to IAD?

One of the essential ways to save on airfare from White Plains to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 25% on airfare.

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.

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.

$272+ Cheap Flights from White Plains to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from White Plains to Dulles Intl

Round-trip from	$341 (Delta)
One-way from	$272 (Booking.com)
Popular in	December
Cheapest in	April
Average price	$213

From White Plains Westchester County to Washington, D.C. Dulles Intl

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One-way flight from White Plains Westchester County to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 20% potential increase in price ($57 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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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 August 14, 2025.

Sat 10/46:00 amHPN - IAD

1 stop12h 39mDelta

Tue 10/75:52 pmIAD - HPN

1 stop15h 52mDelta

Deal found 8/14

$341

Sat 9/137:42 amHPN - IAD

1 stop6h 07mAmerican Airlines

Sat 9/202:21 pmIAD - HPN

1 stop5h 39mAmerican Airlines

Deal found 8/14

$343

Fri 10/36:40 pmHPN - IAD

1 stop23h 59mDelta

Tue 10/75:52 pmIAD - HPN

1 stop18h 08mDelta

Deal found 8/14

$351

Sat 12/136:40 pmHPN - IAD

1 stop14h 31mDelta

Tue 12/165:25 pmIAD - HPN

1 stop16h 24mDelta

Deal found 8/12

$352

Fri 10/36:40 pmHPN - IAD

1 stop23h 59mDelta

Wed 10/87:05 amIAD - HPN

1 stop15h 04mDelta

Deal found 8/14

$361

Sat 9/201:41 pmHPN - IAD

1 stop5h 06mAmerican Airlines

Mon 9/2211:18 amIAD - HPN

1 stop5h 41mAmerican Airlines

Deal found 8/14

$363

Thu 11/2712:45 pmHPN - IAD

2 stops8h 22mDelta

Fri 11/286:10 amIAD - HPN

1 stop5h 36mDelta

Deal found 8/13

$368

Wed 9/107:42 amHPN - IAD

1 stop6h 09mAmerican Airlines

Sat 9/132:21 pmIAD - HPN

1 stop5h 39mAmerican Airlines

Deal found 8/14

$393

Sat 9/207:42 amHPN - IAD

1 stop6h 07mAmerican Airlines

Sun 9/219:16 amIAD - HPN

1 stop7h 43mAmerican Airlines

Deal found 8/14

$465

Best flights from White Plains to Dulles Intl
Discover carefully curated flight deals from White Plains to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Sat 12/136:40 pmHPN - IAD

1 stop14h 31mDelta

Tue 12/166:00 amIAD - HPN

1 stop15h 38mDelta

Deal found 8/13

$341

Sat 9/137:42 amHPN - IAD

1 stop6h 07mAmerican Airlines

Sat 9/202:21 pmIAD - HPN

1 stop5h 39mAmerican Airlines

Deal found 8/14

$343

Sat 10/46:00 amHPN - IAD

1 stop12h 39mDelta

Tue 10/75:52 pmIAD - HPN

1 stop15h 52mDelta

Deal found 8/14

$341

Sat 9/207:42 amHPN - IAD

1 stop6h 07mAmerican Airlines

Mon 9/222:21 pmIAD - HPN

1 stop5h 39mAmerican Airlines

Deal found 8/13

$363

Sat 10/412:45 pmHPN - IAD

1 stop10h 32mDelta

Wed 10/87:05 amIAD - HPN

1 stop15h 04mDelta

Deal found 8/14

$351

Fri 10/36:40 pmHPN - IAD

1 stop23h 59mDelta

Tue 10/75:52 pmIAD - HPN

1 stop18h 08mDelta

Deal found 8/14

$351

Fri 10/36:40 pmHPN - IAD

1 stop23h 59mDelta

Wed 10/87:05 amIAD - HPN

1 stop15h 04mDelta

Deal found 8/14

$361

Last-minute flights from White Plains to Dulles Intl
Discover last-minute flight deals from White Plains to Dulles Intl. Data last updated August 14, 2025 and is based on user searches.

Tue 8/197:47 amHPN - IAD

1 stop7h 32mAmerican Airlines

Tue 8/197:25 pmIAD - HPN

1 stop17h 35mAmerican Airlines

Deal found 8/13

$1,487

Wed 8/2012:37 pmHPN - IAD

1 stop3h 54mDelta

Thu 8/216:00 amIAD - HPN

1 stop5h 57mDelta

Deal found 8/13

$1,337

Wed 8/207:47 amHPN - IAD

1 stop7h 32mAmerican Airlines

Wed 8/207:25 pmIAD - HPN

1 stop17h 40mAmerican Airlines

Deal found 8/13

$1,361

Thu 8/216:59 pmHPN - IAD

1 stop5h 00mAmerican Airlines

Fri 8/227:44 amIAD - HPN

1 stop5h 16mAmerican Airlines

Deal found 8/14

$981

Fri 8/226:54 pmHPN - IAD

1 stop13h 48mAmerican Airlines

Sun 8/246:34 amIAD - HPN

1 stop37h 26mAmerican Airlines

Deal found 8/14

$741

Fri 8/229:18 amHPN - IAD

2 stops11h 37mMultiple Airlines

Sun 8/2410:20 pmIAD - HPN

2 stops18h 31mMultiple Airlines

Deal found 8/13

$1,100

Sun 8/246:59 pmHPN - IAD

1 stop5h 00mAmerican Airlines

Thu 8/286:34 amIAD - HPN

1 stop6h 31mAmerican Airlines

Deal found 8/14

$998

Fri 8/296:59 pmHPN - IAD

1 stop4h 53mAmerican Airlines

Mon 9/16:34 amIAD - HPN

1 stop6h 31mAmerican Airlines

Deal found 8/14

$527

Sat 8/301:35 pmHPN - IAD

1 stop6h 07mAmerican Airlines

Mon 9/16:34 amIAD - HPN

1 stop6h 31mAmerican Airlines

Deal found 8/14

$498

Wed 9/107:42 amHPN - IAD

1 stop6h 09mAmerican Airlines

Sat 9/132:21 pmIAD - HPN

1 stop5h 39mAmerican Airlines

Deal found 8/14

$393

Thu 9/1110:05 amHPN - IAD

1 stop6h 33mAmerican Airlines

Sun 9/149:16 amIAD - HPN

1 stop7h 43mAmerican Airlines

Deal found 8/13

$562

Fri 9/127:42 amHPN - IAD

1 stop30h 07mAmerican Airlines

Sun 9/148:12 pmIAD - HPN

1 stop47h 48mAmerican Airlines

Deal found 8/13

$551

One-way flights from White Plains to Dulles Intl
Search for one-way flight options from White Plains to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Sat 9/67:40 pmHPN - IAD

1 stop24h 15mBreeze Airways

Deal found 8/13

$272

Wed 10/17:40 pmHPN - IAD

1 stop24h 15mBreeze Airways

Deal found 8/13

$283

Wed 8/207:40 pmHPN - IAD

1 stop18h 19mBreeze Airways

Deal found 8/14

$302

Tue 9/169:18 amHPN - IAD

2 stops25h 55mMultiple Airlines

Deal found 8/13

$303

Wed 9/179:18 amHPN - IAD

2 stops21h 52mMultiple Airlines

Deal found 8/13

$328

Sun 9/289:18 amHPN - IAD

2 stops21h 53mMultiple Airlines

Deal found 8/14

$331

Wed 9/109:18 amHPN - IAD

2 stops21h 52mMultiple Airlines

Deal found 8/13

$348

Wed 10/110:29 amHPN - IAD

2 stops12h 37mDelta

Deal found 8/13

$376

Sun 9/79:18 amHPN - IAD

3 stops38h 57mMultiple Airlines

Deal found 8/13

$384

Fri 11/288:14 amHPN - IAD

1 stop4h 38mAmerican Airlines

Deal found 8/13

$394

Tue 9/167:42 amHPN - IAD

1 stop6h 09mAmerican Airlines

Deal found 8/13

$396

Wed 8/209:18 amHPN - IAD

3 stops53h 05mMultiple Airlines

Deal found 8/14

$415

Cheapflights Fare Finder

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

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 12/13

6:40 pm-9:11 am

1 stop14h 31m

Washington, D.C. Dulles Intl

Tue 12/16

6:00 am-9:38 pm

1 stop15h 38m

$341

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 10/4

6:00 am-6:39 pm

1 stop12h 39m

Washington, D.C. Dulles Intl

Tue 10/7

5:52 pm-9:44 am

1 stop15h 52m

$341

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 9/13

7:42 am-1:49 pm

1 stop6h 07m

Washington, D.C. Dulles Intl

Sat 9/20

2:21 pm-8:00 pm

1 stop5h 39m

$343

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 10/4

12:45 pm-11:17 pm

1 stop10h 32m

Washington, D.C. Dulles Intl

Wed 10/8

7:05 am-10:09 pm

1 stop15h 04m

$351

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 10/3

6:40 pm-6:39 pm

1 stop23h 59m

Washington, D.C. Dulles Intl

Tue 10/7

5:52 pm-12:00 pm

1 stop18h 08m

$351

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 10/3

6:40 pm-6:39 pm

1 stop23h 59m

Washington, D.C. Dulles Intl

Wed 10/8

7:05 am-10:09 pm

1 stop15h 04m

$361

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 9/20

7:42 am-1:49 pm

1 stop6h 07m

Washington, D.C. Dulles Intl

Mon 9/22

2:21 pm-8:00 pm

1 stop5h 39m

$363

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Wed 9/10

7:40 pm-7:55 pm

1 stop24h 15m

$272

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 9/6

7:40 pm-7:55 pm

1 stop24h 15m

$272

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Wed 9/17

7:40 pm-7:55 pm

1 stop24h 15m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 19 results

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, July is the cheapest month in which you can book a flight from White Plains to Washington, D.C. Dulles Intl Airport (average of $302). 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

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.
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, July is the cheapest month in which you can book a flight from White Plains to Washington, D.C. Dulles Intl Airport (average of $302). 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.

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Tysons

Silver Spring

Springfield

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Gaithersburg

Towson

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Fairfax

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$272+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from White Plains to Dulles Intl with Cheapflights

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Cheap flight deals from White Plains to Dulles Intl

Round-trip from

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Find flight deals from White Plains to Dulles Intl

Cheapest flights from White Plains to Dulles IntlExplore 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 14, 2025.

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 14, 2025.

Cheapflights Fare Finder

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

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.

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?

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?

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

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

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

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

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

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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 14, 2025.