How does KAYAK find such low prices on flights from Pennsylvania to Washington Dulles Airport?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Washington Dulles Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Washington Dulles Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Pennsylvania to Washington Dulles Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Pennsylvania with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Washington Dulles Airport?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$70 CHEAP FLIGHTS from Pennsylvania to Washington Dulles (IAD)

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Flight Deals

Cheap Flights from Pennsylvania to Dulles Intl

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Pennsylvania to Dulles Intl

Tue, Dec 8 - Tue, Dec 15

6:31 pm - 11:11 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

16h 40m1 stop Atlanta Hartsfield-Jackson

12:06 pm - 9:07 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

9h 01m1 stop Atlanta Hartsfield-Jackson

$121Frontier

Mon, Dec 7 - Mon, Dec 14

6:31 pm - 11:11 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

16h 40m1 stop Atlanta Hartsfield-Jackson

10:35 pm - 5:26 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

18h 51m1 stop Atlanta Hartsfield-Jackson

$134Frontier

Wed, Dec 2 - Wed, Dec 9

4:38 pm - 2:48 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

22h 10m1 stop Atlanta Hartsfield-Jackson

12:06 pm - 11:11 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

11h 05m1 stop Atlanta Hartsfield-Jackson

$146Frontier

Tue, Dec 8 - Tue, Dec 15

8:35 pm - 2:49 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

18h 14m2 stops Tampa Atlanta Hartsfield-Jackson

12:06 pm - 9:07 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

9h 01m1 stop Atlanta Hartsfield-Jackson

$165Frontier

Sun, Dec 6 - Sun, Dec 13

10:15 am - 11:38 amDUJ DuBois Jefferson County-IAD Washington, D.C. Dulles Intl

1h 23mnonstop

10:25 pm - 11:53 pmIAD Washington, D.C. Dulles Intl-DUJ DuBois Jefferson County

1h 28mnonstop

$170Southern / Mokulele

Mon, Nov 23 - Sun, Nov 29

5:40 am - 7:03 amDUJ DuBois Jefferson County-IAD Washington, D.C. Dulles Intl

1h 23mnonstop

5:25 pm - 6:53 pmIAD Washington, D.C. Dulles Intl-DUJ DuBois Jefferson County

1h 28mnonstop

$182Southern / Mokulele

Tue, Nov 24 - Thu, Dec 24

10:29 am - 12:00 pmBFD Bradford-IAD Washington, D.C. Dulles Intl

1h 31mnonstop

5:30 pm - 7:08 pmIAD Washington, D.C. Dulles Intl-BFD Bradford

1h 38mnonstop

$190Southern / Mokulele

Fri, Nov 20 - Tue, Nov 24

6:23 am - 7:35 amJST Johnstown Cambria County-IAD Washington, D.C. Dulles Intl

1h 12mnonstop

12:50 pm - 1:54 pmIAD Washington, D.C. Dulles Intl-JST Johnstown Cambria County

1h 04mnonstop

$191United Airlines

Thu, Dec 10 - Wed, Dec 16

6:10 am - 7:22 amJST Johnstown Cambria County-IAD Washington, D.C. Dulles Intl

1h 12mnonstop

12:45 pm - 1:49 pmIAD Washington, D.C. Dulles Intl-JST Johnstown Cambria County

1h 04mnonstop

$191United Airlines

Tue, Nov 24 - Sat, Nov 28

6:23 am - 7:35 amJST Johnstown Cambria County-IAD Washington, D.C. Dulles Intl

1h 12mnonstop

12:50 pm - 1:54 pmIAD Washington, D.C. Dulles Intl-JST Johnstown Cambria County

1h 04mnonstop

$191United Airlines

Recent last minute flight deals from Pennsylvania to Dulles Intl

Fri, Nov 13 - Fri, Nov 20

2:50 pm - 4:13 pmDUJ DuBois Jefferson County-IAD Washington, D.C. Dulles Intl

1h 23mnonstop

12:50 pm - 2:18 pmIAD Washington, D.C. Dulles Intl-DUJ DuBois Jefferson County

1h 28mnonstop

$218Southern / Mokulele

Sat, Nov 14 - Fri, Nov 20

10:29 am - 12:00 pmBFD Bradford-IAD Washington, D.C. Dulles Intl

1h 31mnonstop

5:30 pm - 7:08 pmIAD Washington, D.C. Dulles Intl-BFD Bradford

1h 38mnonstop

$218Southern / Mokulele

Fri, Nov 13 - Thu, Nov 19

5:40 am - 7:03 amDUJ DuBois Jefferson County-IAD Washington, D.C. Dulles Intl

1h 23mnonstop

5:50 pm - 7:18 pmIAD Washington, D.C. Dulles Intl-DUJ DuBois Jefferson County

1h 28mnonstop

$244Southern / Mokulele

Sat, Nov 14 - Fri, Nov 20

10:29 am - 12:00 pmBFD Bradford-IAD Washington, D.C. Dulles Intl

1h 31mnonstop

12:50 pm - 9:14 amIAD Washington, D.C. Dulles Intl-BFD Bradford

20h 24m2 stops DuBois Jefferson County Pittsburgh

$257Southern / Mokulele

Fri, Nov 13 - Mon, Nov 16

5:25 pm - 9:06 pmPIT Pittsburgh-IAD Washington, D.C. Dulles Intl

3h 41m1 stop Bradford

6:07 pm - 1:01 pmIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

18h 54m2 stops Fort Lauderdale Tampa

$267Multiple Airlines

Sat, Nov 14 - Mon, Nov 16

7:45 am - 12:00 pmPIT Pittsburgh-IAD Washington, D.C. Dulles Intl

4h 15m1 stop Bradford

6:07 pm - 1:01 pmIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

18h 54m2 stops Fort Lauderdale Tampa

$267Multiple Airlines

Fri, Nov 13 - Fri, Nov 20

8:54 pm - 8:11 pmPIT Pittsburgh-IAD Washington, D.C. Dulles Intl

23h 17m2 stops Raleigh-Durham Fort Lauderdale

12:50 pm - 5:07 pmIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

4h 17m1 stop DuBois Jefferson County

$278Multiple Airlines

Sat, Nov 14 - Sat, Dec 12

3:15 pm - 4:27 pmPIT Pittsburgh-IAD Washington, D.C. Dulles Intl

1h 12mnonstop

5:25 pm - 6:34 pmIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

1h 09mnonstop

$349United Airlines

Thu, Nov 12 - Thu, Nov 19

6:00 am - 7:12 amSCE State College University Park-IAD Washington, D.C. Dulles Intl

1h 12mnonstop

8:36 am - 9:50 amIAD Washington, D.C. Dulles Intl-SCE State College University Park

1h 14mnonstop

$364United Airlines

Fri, Nov 13 - Fri, Nov 20

3:15 pm - 4:20 pmPIT Pittsburgh-IAD Washington, D.C. Dulles Intl

1h 05mnonstop

10:22 pm - 11:30 pmIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

1h 08mnonstop

$364United Airlines

Recent direct flight deals from Pennsylvania to Dulles Intl

Sun, Dec 6 - Sun, Dec 13

10:15 am - 11:38 amDUJ DuBois Jefferson County-IAD Washington, D.C. Dulles Intl

1h 23mnonstop

10:25 pm - 11:53 pmIAD Washington, D.C. Dulles Intl-DUJ DuBois Jefferson County

1h 28mnonstop

$170Southern / Mokulele

Mon, Nov 23 - Sun, Nov 29

5:40 am - 7:03 amDUJ DuBois Jefferson County-IAD Washington, D.C. Dulles Intl

1h 23mnonstop

5:25 pm - 6:53 pmIAD Washington, D.C. Dulles Intl-DUJ DuBois Jefferson County

1h 28mnonstop

$182Southern / Mokulele

Tue, Nov 24 - Thu, Dec 24

10:29 am - 12:00 pmBFD Bradford-IAD Washington, D.C. Dulles Intl

1h 31mnonstop

5:30 pm - 7:08 pmIAD Washington, D.C. Dulles Intl-BFD Bradford

1h 38mnonstop

$190Southern / Mokulele

Tue, Nov 24 - Tue, Dec 8

7:35 pm - 9:06 pmBFD Bradford-IAD Washington, D.C. Dulles Intl

1h 31mnonstop

1:05 pm - 2:43 pmIAD Washington, D.C. Dulles Intl-BFD Bradford

1h 38mnonstop

$190Southern / Mokulele

Tue, Nov 24 - Sat, Nov 28

6:23 am - 7:35 amJST Johnstown Cambria County-IAD Washington, D.C. Dulles Intl

1h 12mnonstop

12:50 pm - 1:54 pmIAD Washington, D.C. Dulles Intl-JST Johnstown Cambria County

1h 04mnonstop

$191United Airlines

Fri, Nov 20 - Tue, Nov 24

6:23 am - 7:35 amJST Johnstown Cambria County-IAD Washington, D.C. Dulles Intl

1h 12mnonstop

12:50 pm - 1:54 pmIAD Washington, D.C. Dulles Intl-JST Johnstown Cambria County

1h 04mnonstop

$191United Airlines

Sat, Dec 5 - Sat, Dec 12

10:29 am - 12:00 pmBFD Bradford-IAD Washington, D.C. Dulles Intl

1h 31mnonstop

8:25 am - 10:03 amIAD Washington, D.C. Dulles Intl-BFD Bradford

1h 38mnonstop

$191Southern / Mokulele

Mon, Nov 23 - Fri, Nov 27

6:23 am - 7:35 amJST Johnstown Cambria County-IAD Washington, D.C. Dulles Intl

1h 12mnonstop

12:50 pm - 1:54 pmIAD Washington, D.C. Dulles Intl-JST Johnstown Cambria County

1h 04mnonstop

$191United Airlines

Fri, Dec 11 - Wed, Dec 16

6:10 am - 7:22 amJST Johnstown Cambria County-IAD Washington, D.C. Dulles Intl

1h 12mnonstop

12:45 pm - 1:49 pmIAD Washington, D.C. Dulles Intl-JST Johnstown Cambria County

1h 04mnonstop

$191United Airlines

Thu, Dec 10 - Wed, Dec 16

6:10 am - 7:22 amJST Johnstown Cambria County-IAD Washington, D.C. Dulles Intl

1h 12mnonstop

12:45 pm - 1:49 pmIAD Washington, D.C. Dulles Intl-JST Johnstown Cambria County

1h 04mnonstop

$191United Airlines

Useful Info

Low season	January
High season	December
Cheapest flight	$70

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly and prices are also 5% lower on average.

Flight from Pittsburgh to Washington Dulles Airport

How does KAYAK find such low prices on flights from Pennsylvania to Washington Dulles Airport?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Washington Dulles Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Washington Dulles Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Pennsylvania to Washington Dulles Airport?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Pennsylvania with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Washington Dulles Airport?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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Gaithersburg

Towson

Martinsburg

Owings Mills

Oxon Hill

Charles Town

Greenbelt

Glen Burnie

Edgewood

Camp Springs

Chesapeake Beach

Ellicott City

Pikesville

Hunt Valley

Capitol Heights

Lutherville Timonium

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IAD

$70 Find Cheap Flights from Pennsylvania to Washington Dulles Airport - Compare and Save

Cheap Flights from Pennsylvania to Dulles Intl

Recent round-trip flight deals from Pennsylvania to Dulles Intl

Recent one-way flight deals from Pennsylvania to Dulles Intl

Recent last minute flight deals from Pennsylvania to Dulles Intl

Recent direct flight deals from Pennsylvania to Dulles Intl

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FAQs for booking Pennsylvania to Washington Dulles Airport flights

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