Cheap Flights from Philadelphia (PHL) to Washington (IAD)

Popular airlines from Philadelphia Intl. Airport (PHL) to Washington Dulles Intl. Airport (IAD)

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Frequently asked questions

Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Washington Dulles Intl. Airport (IAD) last minute?
When it comes to booking your flights, being prepared pays dividends. While it may be possible to pick up a deal on a PHL to Dulles Intl. Airport flight at the last minute, prices usually don't get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international journeys it's three to four months.
What airports do you fly into for Washington from Philadelphia?
With Washington Dulles Intl. Airport (IAD), Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to pick from, connecting from Philadelphia to Washington is a piece of cake. The city's main terminal, Washington Dulles Intl. Airport (IAD), is roughly 40 kilometers west of the center. Apart from the price of fares, consider things like train or bus options from the airport and the distance to your hotel before making your choice. Get your Washington trip off to a terrific start by visiting White House and United States Capitol.
Can I change the date of my flight from Philadelphia Intl. Airport (PHL) to Dulles Intl. Airport?
Plans don't always work out, so Expedia is here to help make things easy. To start, access your PHL to Washington Dulles Intl. Airport (IAD) itinerary through the Expedia Trips portal and read the fare rules regarding changes. If you booked your ticket in the last 24 hours, some carriers allow you to cancel at no cost and book new flights. If you booked more than 24 hours ago, get in touch with us via our Customer Service portal so we can assist you further.

Travel information

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Washington Dulles Intl.
Distance
214 km
Average flight time
1 hour 10 mins

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