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Cheap flights from White Plains to Washington, D.C. from $165

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from White Plains to Washington, D.C. departing on 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Logo
12:10 pm - 12:11 amHPN-IAD
12h 01m2 stops
Logo
8:22 pm - 12:40 pmIAD-HPN
16h 18m1 stop
$313
Find Deal
Fri, Nov 14 - Sun, Nov 16
Delta Logo
6:00 am - 7:25 pmHPN-IAD
13h 25m1 stop
Delta Logo
10:08 am - 9:44 amIAD-HPN
23h 36m1 stop
$343Delta
Find Deal
Sat, Dec 13 - Tue, Dec 16
American Airlines Logo
1:35 pm - 7:45 pmHPN-IAD
6h 10m1 stop
American Airlines Logo
6:34 am - 1:05 pmIAD-HPN
6h 31m1 stop
$363American Airlines
Find Deal
Sat, Oct 11 - Sun, Oct 12
Logo
8:25 am - 8:09 pmHPN-IAD
11h 44m2 stops
Logo
2:10 pm - 7:00 pmIAD-HPN
28h 50m1 stop
$380
Find Deal
Fri, Oct 3 - Sun, Oct 5
American Airlines Logo
6:59 pm - 11:53 pmHPN-IAD
4h 54m1 stop
American Airlines Logo
9:19 am - 4:59 pmIAD-HPN
7h 40m1 stop
$383American Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20
American Airlines Logo
7:59 am - 1:20 pmHPN-IAD
5h 21m1 stop
American Airlines Logo
5:29 pm - 10:30 pmIAD-HPN
5h 01m1 stop
$403American Airlines
Find Deal
Sat, Dec 13 - Tue, Dec 16
Delta Logo
12:44 pm - 11:17 pmHPN-IAD
10h 33m1 stop
Delta Logo
5:59 pm - 12:10 pmIAD-HPN
18h 11m2 stops
$419Delta
Find Deal
Sat, Dec 13 - Tue, Dec 16
Logo
12:10 pm - 7:51 pmHPN-IAD
7h 41m2 stops
Logo
8:13 pm - 12:40 pmIAD-HPN
16h 27m1 stop
$433
Find Deal
Fri, Oct 31 - Sun, Nov 2
American Airlines Logo
7:42 am - 1:51 pmHPN-IAD
6h 09m1 stop
American Airlines Logo
10:25 am - 4:59 pmIAD-HPN
6h 34m1 stop
$443American Airlines
Find Deal
Tue, Sep 23 - Tue, Oct 7
Delta Logo
12:55 pm - 11:08 pmHPN-IAD
10h 13m1 stop
Delta Logo
6:00 am - 10:08 pmIAD-HPN
16h 08m2 stops
$454Delta
Find Deal
Sat, Dec 13 - Tue, Dec 16

American Airlines flights from White Plains to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on White Plains to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Oct 11
HPN1:35 pmWhite Plains Westchester County
6h 10m
1 stop
IAD7:45 pmWashington, D.C. Dulles Intl
Oct 12
IAD6:34 amWashington, D.C. Dulles Intl
6h 31m
1 stop
HPN1:05 pmWhite Plains Westchester County
$363
Find similar
American Airlines
Oct 17
HPN6:59 pmWhite Plains Westchester County
4h 54m
1 stop
IAD11:53 pmWashington, D.C. Dulles Intl
Oct 20
IAD9:19 amWashington, D.C. Dulles Intl
7h 40m
1 stop
HPN4:59 pmWhite Plains Westchester County
$383
Find similar
American Airlines
Dec 13
HPN7:59 amWhite Plains Westchester County
5h 21m
1 stop
IAD1:20 pmWashington, D.C. Dulles Intl
Dec 16
IAD5:29 pmWashington, D.C. Dulles Intl
5h 01m
1 stop
HPN10:30 pmWhite Plains Westchester County
$403
Find similar

Delta flights from White Plains to Washington, D.C. Dulles Intl Airport

Our best Delta deals on White Plains to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Dec 13
HPN6:00 amWhite Plains Westchester County
13h 25m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Dec 16
IAD10:08 amWashington, D.C. Dulles Intl
23h 36m
1 stop
HPN9:44 amWhite Plains Westchester County
$343
Find similar
Delta
Dec 13
HPN12:44 pmWhite Plains Westchester County
10h 33m
1 stop
IAD11:17 pmWashington, D.C. Dulles Intl
Dec 16
IAD5:59 pmWashington, D.C. Dulles Intl
18h 11m
2 stops
HPN12:10 pmWhite Plains Westchester County
$419
Find similar
Delta
Dec 13
HPN12:55 pmWhite Plains Westchester County
10h 13m
1 stop
IAD11:08 pmWashington, D.C. Dulles Intl
Dec 16
IAD6:00 amWashington, D.C. Dulles Intl
16h 08m
2 stops
HPN10:08 pmWhite Plains Westchester County
$454
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from White Plains to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated September 11, 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

Fly to

Route

Depart

Return

Price

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 11/14

12:10 pm-12:11 am

2 stops12h 01m

Washington, D.C. Dulles Intl

Sun 11/16

8:22 pm-12:40 pm

1 stop16h 18m

$313

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 12/13

6:00 am-7:25 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

Tue 12/16

10:08 am-9:44 am

1 stop23h 36m

$343

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 10/11

1:35 pm-7:45 pm

1 stop6h 10m

Washington, D.C. Dulles Intl

Sun 10/12

6:34 am-1:05 pm

1 stop6h 31m

$363

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 10/3

8:25 am-8:09 pm

2 stops11h 44m

Washington, D.C. Dulles Intl

Sun 10/5

2:10 pm-7:00 pm

1 stop28h 50m

$380

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 10/17

6:59 pm-11:53 pm

1 stop4h 54m

Washington, D.C. Dulles Intl

Mon 10/20

9:19 am-4:59 pm

1 stop7h 40m

$383

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 12/13

7:59 am-1:20 pm

1 stop5h 21m

Washington, D.C. Dulles Intl

Tue 12/16

5:29 pm-10:30 pm

1 stop5h 01m

$403

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 12/13

12:44 pm-11:17 pm

1 stop10h 33m

Washington, D.C. Dulles Intl

Tue 12/16

5:59 pm-12:10 pm

2 stops18h 11m

$419

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Fri 10/31

12:10 pm-7:51 pm

2 stops7h 41m

Washington, D.C. Dulles Intl

Sun 11/2

8:13 pm-12:40 pm

1 stop16h 27m

$433

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Tue 9/23

7:42 am-1:51 pm

1 stop6h 09m

Washington, D.C. Dulles Intl

Tue 10/7

10:25 am-4:59 pm

1 stop6h 34m

$443

White PlainsWashington, D.C.

HPN - IAD

HPNIAD

White Plains Westchester County

Sat 12/13

12:55 pm-11:08 pm

1 stop10h 13m

Washington, D.C. Dulles Intl

Tue 12/16

6:00 am-10:08 pm

2 stops16h 08m

$454

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from White Plains to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $441. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from White Plains to Washington, D.C. Dulles Intl Airport for around $605.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from White Plains in the morning is the least expensive time of day to depart. momondo users have found prices as low as $466 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $653 on average. Flights to Washington, D.C. Dulles Intl Airport from White Plains at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from White Plains to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from White Plains to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap White Plains to Washington, D.C. Dulles Intl Airport (HPN to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from White Plains to Washington, D.C. Dulles Intl Airport

Direct flights

None
There are no direct flights from White Plains to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from White Plains to Washington, D.C. Dulles Intl Airport.
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  • How far is White Plains Westchester County to Washington, D.C. Dulles Intl by plane?

    Washington, D.C. Dulles Intl is 242.3 mi away from White Plains Westchester County. Typically, this will take 4h 36m by plane in normal conditions.

  • When did momondo last update prices for flights from White Plains Westchester County Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from White Plains Westchester County Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How old do you have to be to fly from White Plains Westchester County Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from White Plains Westchester County Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from White Plains to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from White Plains to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from White Plains to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from White Plains which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from White Plains to Washington, D.C.?

Once all potential White Plains to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from White Plains to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of White Plains to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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