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Dulles Intl

$272+ Cheap flights from Westchester County 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — IAD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Westchester County to Dulles Intl

Keep the following information in mind while searching for Westchester County to Dulles Intl flight deals. Data was last updated June 12, 2025.

Round-trip from

$342
(American Airlines)

One-way from

$272
(Delta)

Popular in

December

Cheapest in

April

Average price

$227
From Westchester County to Washington, D.C. Dulles Intl
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One-way flight from Westchester County to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 16% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Westchester County to Dulles Intl

Cheapest flights from Westchester County to Dulles Intl
Explore the most affordable flight options available from Westchester County to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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 7/266:51 pmHPN - IAD
1 stop5h 07mAmerican Airlines
Sat 8/211:07 amIAD - HPN
1 stop5h 52mAmerican Airlines
Deal found 6/11$342
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/167:40 pmHPN - IAD
1 stop18h 19mMultiple Airlines
Sat 7/1912:46 pmIAD - HPN
2 stops32h 13mMultiple Airlines
Deal found 6/9$588
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:40 pmHPN - IAD
1 stop13h 38mBreeze Airways
Sat 12/2710:18 amIAD - HPN
1 stop8h 42mBreeze Airways
Deal found 6/10$1,129
This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 6/295:19 pmHPN - IAD
1 stop5h 36mDelta
Tue 7/16:00 amIAD - HPN
1 stop5h 58mDelta
Deal found 6/10$1,185

Cheapflights Fare Finder

Customize your flight search to find flights from Westchester County 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 June 12, 2025.
Use the filters below to find and compare flights from Westchester County to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Westchester County

Fly to

Dulles Intl

Route

Depart

Return

Price

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 7/26

6:51 pm-11:58 pm

1 stop5h 07m

Washington, D.C. Dulles Intl

Sat 8/2

11:07 am-4:59 pm

1 stop5h 52m

$342

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Wed 7/16

7:40 pm-1:59 pm

1 stop18h 19m

Washington, D.C. Dulles Intl

Sat 7/19

12:46 pm-8:59 pm

2 stops32h 13m

$588

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sun 6/29

5:19 pm-10:55 pm

1 stop5h 36m

Washington, D.C. Dulles Intl

Tue 7/1

6:00 am-11:58 am

1 stop5h 58m

$1,185

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Tue 8/26

5:15 pm-10:55 pm

1 stop5h 40m

$272

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Wed 7/30

7:40 pm-1:59 pm

1 stop18h 19m

$293

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Thu 7/31

8:10 am-11:20 am

3 stops27h 10m

$303

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 6/27

1:35 pm-12:38 pm

1 stop23h 03m

$351

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 7/12

12:01 pm-3:40 pm

2 stops51h 39m

$1,565

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Westchester County to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Westchester County 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 Westchester County to Washington, D.C. Dulles Intl Airport

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

Find hourly flight availability from Westchester County to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Westchester County to Washington, D.C. Dulles Intl Airport as you normally would.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

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.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated June 12, 2025.
To help decide which airline to fly from Westchester County to Washington, D.C., see what other customers have to say about Breeze Airways, Delta and Qatar Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
178 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
178 reviews
Breeze Airways
8.1
Very good
178 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Delta
8.0
Very good
7,946 reviews
Breeze Airways
8.1
Very good
178 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Qatar Airways
7.4
Good
3,584 reviews
Breeze Airways
8.1
Very good
178 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
American Airlines
7.2
Good
10,000 reviews
Breeze Airways
8.1
Very good
178 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Related info for your journey

Find useful and relevant information for your journey from Westchester County 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 are the cheapest airlines to fly from Westchester County to Washington, D.C. Dulles Intl Airport one-way?

    $272 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Breeze Airways and American Airlines, with prices starting from $293 and $351, respectively.

  • Can I find deals for flights from Westchester County to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Westchester County to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Westchester County to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Westchester County to Dulles Intl.

  • Can I find deals for business class flights from Westchester County to Dulles Intl?

    Yes. Cheapflights offers flight deals from Westchester County 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 Westchester County to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Westchester County to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Westchester County to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 Westchester County?

Book flights to Westchester County if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Sterling
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas

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