Washington, D.C. — Philadelphia flights are offered by 4 airline(s) including JetBlue Airways, Southwest Airlines, Delta Air Lines, Spirit Airlines.
The cheapest one-way flights are usually available on a Tuesday. The average price of a one-way flight is currently $ 128.47. The lowest price is $ 101.29 departing on local with JetBlue Airways. Washington, D.C. - DCA is the cheapest airport for flights Washington, D.C. – Philadelphia.