How does KAYAK find such low prices on flights from Pennsylvania to Washington, D.C.?

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, D.C..

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. 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, D.C.?

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, D.C. 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, D.C.?

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, D.C. from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$64 CHEAP FLIGHTS from Pennsylvania to Washington, D.C.

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Flight Deals

Cheap Flights from Pennsylvania to Washington, D.C.

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 Washington, D.C.

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

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

22h 32m1 stop Atlanta Hartsfield-Jackson

$153Frontier

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

Wed, Nov 25 - Sun, Nov 29

6:23 am - 7:35 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

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, Nov 27 - Tue, Dec 1

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

$193Southern / Mokulele

Mon, Nov 23 - Mon, Nov 23

6:00 am - 10:37 amPIT Pittsburgh-DCA Washington, D.C. Reagan-National

4h 37m1 stop New York LaGuardia

11:59 am - 1:14 pmDCA Washington, D.C. Reagan-National-PIT Pittsburgh

1h 15mnonstop

$312American Airlines

Thu, Dec 3 - Sun, Dec 6

1:33 pm - 3:14 pmPIT Pittsburgh-DCA Washington, D.C. Reagan-National

1h 41mnonstop

11:44 am - 1:03 pmDCA Washington, D.C. Reagan-National-PIT Pittsburgh

1h 19mnonstop

$316American Airlines

Recent last minute flight deals from Pennsylvania to Washington, D.C.

Tue, Nov 17 - Fri, Jan 15

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

4h 15m1 stop Bradford

10:57 pm - 8:24 amIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

33h 27m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

$216Multiple Airlines

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

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

11:55 am - 4:13 pmPIT Pittsburgh-IAD Washington, D.C. Dulles Intl

4h 18m1 stop DuBois Jefferson County

5:25 pm - 2:22 pmIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

20h 57m1 stop DuBois Jefferson County

$258Southern / Mokulele

Fri, Nov 13 - Fri, Nov 13

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

4h 15m1 stop Bradford

6:07 pm - 5:27 pmIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

23h 20m1 stop Fort Lauderdale

$269Multiple Airlines

Wed, Nov 18 - Thu, Nov 19

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

3h 41m1 stop Bradford

3:30 pm - 7:37 pmIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

28h 07m2 stops Asheville Regional Fort Lauderdale

$282Multiple Airlines

Tue, Nov 17 - Fri, Jan 15

6:12 am - 7:25 amPIT Pittsburgh-IAD Washington, D.C. Dulles Intl

1h 13mnonstop

8:25 am - 9:38 amIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

1h 13mnonstop

$349United Airlines

Wed, Nov 18 - Sat, Dec 5

8:13 pm - 9:13 pmMDT Harrisburg-IAD Washington, D.C. Dulles Intl

1h 00mnonstop

12:55 pm - 2:00 pmIAD Washington, D.C. Dulles Intl-MDT Harrisburg

1h 05mnonstop

$349United Airlines

Wed, Nov 18 - Sat, Dec 5

11:25 am - 4:43 pmMDT Harrisburg-IAD Washington, D.C. Dulles Intl

5h 18m1 stop Charlotte Douglas

11:48 am - 4:26 pmIAD Washington, D.C. Dulles Intl-MDT Harrisburg

4h 38m1 stop Charlotte Douglas

$369American Airlines

Wed, Nov 18 - Sun, Nov 22

6:00 am - 10:11 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

4h 11m1 stop Charlotte Douglas

6:00 am - 11:12 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

5h 12m1 stop Charlotte Douglas

$384American Airlines

Recent direct flight deals from Pennsylvania to Washington, D.C.

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 - 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

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

Thu, Nov 26 - Mon, Nov 30

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

Wed, Nov 25 - Sun, Nov 29

6:23 am - 7:35 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

Fri, Nov 27 - Tue, Dec 1

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

$193Southern / Mokulele

Mon, Nov 23 - Fri, Nov 27

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

1h 31mnonstop

5:25 pm - 7:03 pmIAD Washington, D.C. Dulles Intl-BFD Bradford

1h 38mnonstop

$198Southern / Mokulele

Thu, Dec 3 - Sun, Dec 6

1:33 pm - 3:14 pmPIT Pittsburgh-DCA Washington, D.C. Reagan-National

1h 41mnonstop

11:44 am - 1:03 pmDCA Washington, D.C. Reagan-National-PIT Pittsburgh

1h 19mnonstop

$316American Airlines

Thu, Dec 3 - Sun, Dec 6

3:33 pm - 4:57 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 24mnonstop

1:34 pm - 2:48 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 14mnonstop

$317American Airlines

Thu, Dec 10 - Mon, Dec 14

1:33 pm - 3:14 pmPIT Pittsburgh-DCA Washington, D.C. Reagan-National

1h 41mnonstop

9:00 am - 10:19 amDCA Washington, D.C. Reagan-National-PIT Pittsburgh

1h 19mnonstop

$318American Airlines

Useful Info

Low season	August
High season	July
Cheapest flight	$64

Best time to beat the crowds but there is an average 2% increase in price.

Most popular time to fly and prices are also 22% lower on average.

Flight from Philadelphia to Washington Dulles Airport

How does KAYAK find such low prices on flights from Pennsylvania to Washington, D.C.?
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, D.C..
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Washington, D.C.?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. 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, D.C.?
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, D.C. 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, D.C.?
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, D.C. from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Linthicum Heights

Hanover

Springfield

Gaithersburg

Towson

Owings Mills

Oxon Hill

Greenbelt

Glen Burnie

Edgewood

Camp Springs

Chesapeake Beach

Ellicott City

Pikesville

Hunt Valley

Capitol Heights

Lutherville Timonium

Colonial Beach

Clinton

Westminster

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$64 Find Cheap Flights from Pennsylvania to Washington, D.C. - Compare and Save

Cheap Flights from Pennsylvania to Washington, D.C.

Recent round-trip flight deals from Pennsylvania to Washington, D.C.

Recent one-way flight deals from Pennsylvania to Washington, D.C.

Recent last minute flight deals from Pennsylvania to Washington, D.C.

Recent direct flight deals from Pennsylvania to Washington, D.C.

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