Washington, D.C. — Philadelphia flights are offered by 5 airline(s) including JetBlue Airways, United Airlines, Spirit Airlines, Frontier Airlines, Delta Air Lines.
The cheapest one-way flights are usually available on a Tuesday. The average price of a one-way flight is currently $ 121.44. The lowest price is $ 86.07 departing on local with JetBlue Airways. Washington, D.C. - DCA is the cheapest airport for flights Washington, D.C. – Philadelphia.