Washington, D.C. — Philadelphia flights are offered by 4 airline(s) including Delta Air Lines, JetBlue Airways, Spirit Airlines, United Airlines.
The cheapest one-way flights are usually available on a Wednesday. The average price of a one-way flight is currently $ 125.32. The lowest price is $ 95.54 departing on local with Delta Air Lines. Washington, D.C. - BWI is the cheapest airport for flights Washington, D.C. – Philadelphia.