CA $291 Cheap Flights from Philadelphia (PHL) to Washington (IAD)

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

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

Prices were available within the past 7 days and start at CA $291 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Find the cheapest month to fly from Philadelphia (PHL) to Washington (IAD)

September is typically the cheapest month to fly

From CA $216 - CA $834 per traveller.

Frequently asked questions

How much is a flight from Philadelphia Intl. Airport (PHL) to Washington Dulles Intl. Airport (IAD)?
If you're planning on travelling from Philadelphia Airport to Washington Dulles Intl. Airport (IAD), round-trip journeys start from . This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Philadelphia Airport to Washington Dulles Intl. Airport (IAD)?
The majority of flights can be cancelled online, but every air carrier has its own terms and conditions. If you do decide to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from PHL to Dulles Intl. Airport that have flexible change policies?
Flights from Philadelphia Airport to IAD with flexible change policies are available with many carriers. Simply use our "No change fees" filter while searching. You'll only need to pay the difference in ticket price, with no added fees to worry about.
How many hours is the flight from Philadelphia Intl. Airport (PHL) to Washington Dulles Intl. Airport (IAD)?
It only takes about 8 hours to journey from Philadelphia Airport to Dulles Intl. Airport — perfect for a nap. You'll be starting your descent into Chantilly by the time you wake up.
How far is the flight from Philadelphia Airport to Dulles Intl. Airport?
It's only 220 kilometres from Philadelphia Intl. Airport (PHL) to Washington Dulles Intl. Airport (IAD). It's quite possible that you'll spend more time travelling to and from the airport than you will actually flying!
Which airlines fly direct from PHL to Dulles Intl. Airport?
Flying straight from Philadelphia Airport to IAD is a breeze with United Airlines (UA). This leading airline offers 78 flights every month.
Are Philadelphia Intl. Airport (PHL) to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to score amazing last-minute deals from Philadelphia Airport to IAD, but it can also be hit-or-miss. As many airlines advertise prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you spot a bargain. Expedia compares carrier prices and updates flight deals regularly, so you can be certain you're always getting the latest offers.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Washington Dulles Intl.
Distance
214 km
Average flight time
1 hour 14 mins

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