Looking for the price of a flight from Washington Dulles to Philadelphia?

There’s no fixed price — fares between Washington and Philadelphia can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Best airport options between Washington and Philadelphia

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in Washington: Washington is served by 3 airports - Dulles international, Ronald Reagan, Washington International.
• Airports in Philadelphia: Trenton Mercer offers an alternative to Philadelphia - International.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Flight filters for the route Washington Dulles – Philadelphia

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to United States are often searched alongside: Atlanta, Los Angeles, Miami, New York City, Orlando.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.