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.

$44 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.

Thu, Jan 7 - Mon, Jan 11

6:40 pm - 2:23 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

19h 43m1 stop Atlanta Hartsfield-Jackson

10:37 pm - 12:16 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

13h 39m1 stop Atlanta Hartsfield-Jackson

$112Frontier

Fri, Jan 15 - Sun, Jan 17

6:15 am - 2:43 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

8h 28m1 stop Atlanta Hartsfield-Jackson

6:37 am - 12:16 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

5h 39m1 stop Atlanta Hartsfield-Jackson

$174Frontier

Sat, Dec 12 - Sat, Dec 19

8:40 am - 5:38 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

8h 58m1 stop Atlanta Hartsfield-Jackson

5:30 am - 12:48 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

43h 18m2 stops Atlanta Hartsfield-Jackson Tampa

$174Frontier

Thu, Nov 19 - Mon, Nov 23

10:32 am - 11:40 amPIT Pittsburgh-IAD Washington, D.C. Dulles Intl

1h 08mnonstop

1:09 pm - 2:14 pmIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

1h 05mnonstop

$184United Airlines

Fri, Nov 20 - 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

Sun, Nov 22 - Thu, Nov 26

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

Tue, Nov 10 - Sat, Nov 14

7:35 pm - 9:06 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

$193Southern / Mokulele

Sat, Nov 14 - Wed, Nov 18

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

Tue, Nov 24 - Fri, Nov 27

6:00 am - 7:33 amPIT Pittsburgh-DCA Washington, D.C. Reagan-National

1h 33mnonstop

8:25 am - 12:43 pmDCA Washington, D.C. Reagan-National-PIT Pittsburgh

4h 18m1 stop Charlotte Douglas

$194American Airlines

Fri, Dec 4 - Tue, Dec 8

3:16 pm - 9:59 pmPIT Pittsburgh-DCA Washington, D.C. Reagan-National

6h 43m1 stop Charlotte Douglas

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

1h 19mnonstop

$194American Airlines

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

Tue, Nov 3 - Tue, Nov 10

7:35 pm - 9:06 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

$202Southern / Mokulele

Mon, Nov 2 - Mon, Nov 9

10:29 am - 12:00 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

$202Southern / Mokulele

Fri, Oct 30 - Fri, Nov 6

10:55 am - 4:13 pmPIT Pittsburgh-IAD Washington, D.C. Dulles Intl

5h 18m1 stop DuBois Jefferson County

12:50 pm - 4:37 pmIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

3h 47m1 stop DuBois Jefferson County

$230Southern / Mokulele

Sat, Oct 31 - Mon, Nov 30

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

4h 15m1 stop Bradford

3:58 pm - 1:01 pmIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

21h 03m2 stops Fort Lauderdale Tampa

$266Multiple Airlines

Sat, Oct 31 - Tue, Dec 1

8:39 am - 8:11 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

11h 32m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

10:33 pm - 1:07 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

14h 34m1 stop Atlanta Hartsfield-Jackson

$276Frontier

Fri, Oct 30 - Sun, Nov 1

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

4h 18m1 stop DuBois Jefferson County

6:07 pm - 8:14 pmIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

26h 07m2 stops Fort Lauderdale Raleigh-Durham

$280Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

6:00 am - 7:29 amPIT Pittsburgh-DCA Washington, D.C. Reagan-National

1h 29mnonstop

11:59 am - 1:13 pmDCA Washington, D.C. Reagan-National-PIT Pittsburgh

1h 14mnonstop

$354American Airlines

Thu, Nov 5 - Mon, Nov 9

10:21 am - 11:36 amAVP Wilkes-Barre Scranton-IAD Washington, D.C. Dulles Intl

1h 15mnonstop

8:30 am - 9:44 amIAD Washington, D.C. Dulles Intl-AVP Wilkes-Barre Scranton

1h 14mnonstop

$354United Airlines

Wed, Nov 4 - Wed, Nov 11

8:51 am - 12:59 pmPIT Pittsburgh-DCA Washington, D.C. Reagan-National

4h 08m1 stop New York LaGuardia

3:49 pm - 5:04 pmDCA Washington, D.C. Reagan-National-PIT Pittsburgh

1h 15mnonstop

$364American Airlines

Thu, Nov 5 - Mon, Nov 9

10:21 am - 11:36 amAVP Wilkes-Barre Scranton-IAD Washington, D.C. Dulles Intl

1h 15mnonstop

8:30 am - 9:44 amIAD Washington, D.C. Dulles Intl-AVP Wilkes-Barre Scranton

1h 14mnonstop

$369United Airlines

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

Thu, Nov 19 - Mon, Nov 23

10:32 am - 11:40 amPIT Pittsburgh-IAD Washington, D.C. Dulles Intl

1h 08mnonstop

1:09 pm - 2:14 pmIAD Washington, D.C. Dulles Intl-PIT Pittsburgh

1h 05mnonstop

$184United Airlines

Sat, Feb 27 - Sat, Mar 6

6:25 am - 7:35 amJST Johnstown Cambria County-IAD Washington, D.C. Dulles Intl

1h 10mnonstop

12:55 pm - 1:52 pmIAD Washington, D.C. Dulles Intl-JST Johnstown Cambria County

0h 57mnonstop

$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

Sun, Nov 22 - 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

Sat, Nov 14 - Wed, Nov 18

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

Tue, Nov 10 - Sat, Nov 14

7:35 pm - 9:06 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

$193Southern / Mokulele

Thu, Nov 12 - Mon, Nov 16

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

$194Southern / Mokulele

Tue, Nov 24 - Sun, Nov 29

1:44 pm - 3:19 pmPIT Pittsburgh-DCA Washington, D.C. Reagan-National

1h 35mnonstop

8:40 am - 9:56 amDCA Washington, D.C. Reagan-National-PIT Pittsburgh

1h 16mnonstop

$213American Airlines

Fri, Nov 20 - Sat, Dec 5

10:26 am - 11:58 amPIT Pittsburgh-DCA Washington, D.C. Reagan-National

1h 32mnonstop

7:59 pm - 9:17 pmDCA Washington, D.C. Reagan-National-PIT Pittsburgh

1h 18mnonstop

$213American Airlines

Wed, Nov 25 - Sun, Nov 29

5:30 pm - 7:05 pmPIT Pittsburgh-DCA Washington, D.C. Reagan-National

1h 35mnonstop

8:40 am - 9:56 amDCA Washington, D.C. Reagan-National-PIT Pittsburgh

1h 16mnonstop

$213American Airlines

Useful Info

Low season	August
High season	July
Cheapest flight	$44

Best time to beat the crowds but there is an average 1% increase in price.

Most popular time to fly and prices are also 23% 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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$44 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.

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