Cheap flights from Washington, D.C., United States to Philadelphia, United States

Travelers frequently search for route combinations, such as Washington, D.C. and London, Orlando, San Salvador, Toronto, Manchester, San Francisco, Boston, San Juan, New York, Austin, Atlanta, Los Angeles, Denver, New Orleans, Edinburgh, Fort Lauderdale, Las Vegas, Seattle, Vilnius, Phoenix.

Travelers frequently search for route combinations, such as Philadelphia and London, San Juan, Manchester, Dublin, Manila, San Francisco, Edinburgh, New Orleans, Charlotte, Los Angeles, Orlando, Seattle, Austin, Birmingham, New York, Boston, Miami, Houston, Salt Lake City, Las Vegas.

Washington, D.C. is mainly served by Baltimore–Washington International. But there are other airports nearby, including Washington Dulles International, Ronald Reagan Washington National.

The main airport in Washington, D.C. is Baltimore–Washington International. It is also served by Philadelphia International, Norfolk International, Richmond International, Lehigh Valley International, Atlantic City International, Trenton–Mercer, Harrisburg International, Shenandoah Valley Regional, Altoona–Blair County, Lancaster.

The main airport in Philadelphia is Philadelphia International. It is also served by Newark Liberty International, LaGuardia, Baltimore–Washington International, Washington Dulles International, New York Stewart International Airport, Ronald Reagan Washington National, Long Island MacArthur, Lehigh Valley International, Atlantic City International, Trenton–Mercer.

Yes, it's possible to combine different modes of transport between Washington, D.C. and Philadelphia thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Washington, D.C. and Philadelphia can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Currently, you can fly between Washington, D.C. and Philadelphia with Frontier Airlines, Spirit Airlines, United Airlines, JetBlue Airways, Allegiant Air.

If you don’t have specific dates for your trip between Washington, D.C. and Philadelphia, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.