How does KAYAK find such low prices on flights from District of Columbia to Philadelphia?

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 District of Columbia to Philadelphia.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Philadelphia?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from District of Columbia 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 District of Columbia to Philadelphia?

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 Philadelphia with an airline and back to District of Columbia with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Philadelphia?

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 Philadelphia from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$66 CHEAP FLIGHTS from District of Columbia to Philadelphia

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Flight Deals

Cheap Flights from District of Columbia to Philadelphia

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 District of Columbia to Philadelphia

Fri, Sep 11 - Mon, Sep 14

9:04 pm - 7:16 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 12m1 stop Atlanta Hartsfield-Jackson

6:00 am - 1:03 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

7h 03m1 stop Tampa

$154Frontier

Fri, Sep 25 - Fri, Oct 2

9:04 pm - 7:16 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 12m1 stop Atlanta Hartsfield-Jackson

6:00 pm - 6:33 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

24h 33m1 stop Tampa

$156Frontier

Wed, Sep 2 - Fri, Sep 18

12:28 pm - 1:16 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

12h 48m1 stop Tampa

6:00 pm - 6:33 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

24h 33m1 stop Tampa

$156Frontier

Wed, Sep 2 - Tue, Sep 15

12:28 pm - 1:16 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

12h 48m1 stop Tampa

7:59 pm - 2:16 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

18h 17m1 stop Tampa

$156Frontier

Sun, Sep 6 - Sun, Sep 6

1:55 pm - 3:05 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 10mnonstop

4:31 pm - 9:22 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

4h 51m1 stop Cleveland Hopkins Intl

$192American Airlines

Sat, Oct 31 - Tue, Nov 3

1:29 pm - 2:37 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 08mnonstop

7:55 pm - 9:20 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 25mnonstop

$249American Airlines

Mon, Sep 7 - Mon, Sep 21

1:05 pm - 2:21 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 16mnonstop

10:30 am - 11:39 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 09mnonstop

$249United Airlines

Fri, Sep 4 - Mon, Sep 7

1:05 pm - 2:21 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 16mnonstop

3:05 pm - 4:23 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 18mnonstop

$249United Airlines

Fri, Sep 11 - Mon, Sep 14

1:33 pm - 2:40 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 07mnonstop

7:40 pm - 9:13 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 33mnonstop

$249American Airlines

Sat, Nov 14 - Sun, Nov 15

4:59 pm - 6:13 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 14mnonstop

3:54 pm - 5:19 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 25mnonstop

$249American Airlines

Recent last minute flight deals from District of Columbia to Philadelphia

Fri, Aug 14 - Sat, Aug 15

8:30 am - 9:43 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 13mnonstop

7:40 pm - 9:01 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 21mnonstop

$405United Airlines

Fri, Aug 14 - Mon, Aug 17

1:55 pm - 3:05 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 10mnonstop

7:35 pm - 9:13 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 38mnonstop

$409American Airlines

Fri, Aug 14 - Sat, Aug 15

5:39 pm - 6:54 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 15mnonstop

1:53 pm - 6:14 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

4h 21m1 stop Charlotte Douglas

$415American Airlines

Fri, Aug 14 - Mon, Aug 17

5:39 pm - 6:54 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 15mnonstop

7:38 pm - 11:59 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

4h 21m1 stop Charlotte Douglas

$419American Airlines

Fri, Aug 14 - Sat, Aug 15

8:33 pm - 8:39 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

12h 06m1 stop Atlanta Hartsfield-Jackson

10:57 am - 10:52 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

11h 55m2 stops Jacksonville Atlanta Hartsfield-Jackson

$421Frontier

Tue, Aug 18 - Wed, Aug 19

3:20 pm - 10:29 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

7h 09m1 stop Fort Lauderdale

6:00 am - 2:13 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

8h 13m1 stop Fort Lauderdale

$445JetBlue

Mon, Aug 17 - Thu, Aug 20

3:20 pm - 11:53 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

8h 33m1 stop Fort Lauderdale

9:12 am - 2:25 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

5h 13m1 stop Boston Logan Intl

$484JetBlue

Tue, Aug 18 - Wed, Aug 19

8:30 am - 9:43 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 13mnonstop

10:30 am - 11:39 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 09mnonstop

$539United Airlines

Mon, Aug 17 - Thu, Aug 20

1:05 pm - 2:21 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 16mnonstop

10:30 am - 11:37 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 07mnonstop

$665United Airlines

Sat, Aug 15 - Sat, Aug 15

8:30 am - 9:43 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 13mnonstop

7:40 pm - 9:01 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 21mnonstop

$677United Airlines

Recent direct flight deals from District of Columbia to Philadelphia

Sat, Nov 14 - Mon, Nov 16

1:44 pm - 2:55 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 11mnonstop

3:54 pm - 5:19 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 25mnonstop

$249American Airlines

Sat, Oct 31 - Tue, Nov 3

1:29 pm - 2:37 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 08mnonstop

7:55 pm - 9:20 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 25mnonstop

$249American Airlines

Mon, Sep 7 - Mon, Sep 21

1:05 pm - 2:21 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 16mnonstop

10:30 am - 11:39 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 09mnonstop

$249United Airlines

Fri, Sep 4 - Mon, Sep 7

1:05 pm - 2:21 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 16mnonstop

3:05 pm - 4:23 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 18mnonstop

$249United Airlines

Fri, Sep 11 - Mon, Sep 14

1:33 pm - 2:40 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 07mnonstop

7:40 pm - 9:13 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 33mnonstop

$249American Airlines

Sat, Nov 14 - Sun, Nov 15

4:59 pm - 6:13 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 14mnonstop

3:54 pm - 5:19 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 25mnonstop

$249American Airlines

Fri, Nov 13 - Sun, Nov 15

1:44 pm - 2:55 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 11mnonstop

3:54 pm - 5:19 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 25mnonstop

$249American Airlines

Thu, Sep 24 - Tue, Sep 29

10:16 pm - 11:30 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 14mnonstop

10:40 am - 11:47 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 07mnonstop

$249United Airlines

Mon, Sep 7 - Mon, Sep 14

5:36 pm - 6:53 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 17mnonstop

10:30 am - 11:39 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 09mnonstop

$249United Airlines

Thu, Sep 3 - Sun, Sep 6

1:05 pm - 2:21 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 16mnonstop

3:05 pm - 4:23 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 18mnonstop

$249United Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$66

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly with an average 13% increase in price.

Flight from Washington Dulles Airport to Philadelphia

How does KAYAK find such low prices on flights from District of Columbia to Philadelphia?
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 District of Columbia to Philadelphia.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Philadelphia?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from District of Columbia 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 District of Columbia to Philadelphia?
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 Philadelphia with an airline and back to District of Columbia with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Philadelphia?
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 Philadelphia from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Wildwood Crest

Newark

Essington

North Wildwood

Vineland

West Chester

Elkton

Somers Point

Pottstown

Willow Grove

Voorhees

Middletown

Kennett Square

Glen Mills

Wyomissing

Blackwood

Springfield

Millville

Phoenixville

Strasburg

Everything you need to know for your flight to Philadelphia

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Philadelphia

Philadelphia (PHL)

PHL

$66 Find Cheap Flights from District of Columbia to Philadelphia - Compare and Save

Cheap Flights from District of Columbia to Philadelphia

Recent round-trip flight deals from District of Columbia to Philadelphia

Recent one-way flight deals from District of Columbia to Philadelphia

Recent last minute flight deals from District of Columbia to Philadelphia

Recent direct flight deals from District of Columbia to Philadelphia

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from District of Columbia to Philadelphia

Traveling to a place near Philadelphia?

Everything you need to know for your flight to Philadelphia

Information on the airport you'll fly into in Philadelphia

Cabin class types available on flights to District of Columbia

Complete your trip to Philadelphia with a hotel stay or car rental

Find direct flights for Philadelphia

Flights to other popular destinations

Flights from domestic origins to Philadelphia

Choose which airport to fly into in Philadelphia

Find deals for your return flight