Cheap flights from Key West to Philadelphia from $358

Travelers frequently search for route combinations, such as Key West and Orlando, Tampa, Fort Lauderdale, Boston, Raleigh, Indianapolis, Washington, D.C., Dallas, Minneapolis, Atlanta, Prague, Fort Myers, Cancún, Denver, Anchorage, Charleston, San Diego, Atlantic City, Pittsburgh, Seattle.

Travelers frequently search for route combinations, such as Philadelphia and Atlanta, Fort Lauderdale, Orlando, Tampa, Chicago, Miami, Boston, Dallas, San Juan, Cancún, New Orleans, Raleigh, Charlotte, Denver, Nashville, Charleston, Minneapolis, Mexico City, Houston, Los Angeles.

The main airport in Key West is Key West International. It is also served by Miami International, Key West International.

The main airport in Philadelphia is Philadelphia International. It is also served by John F. Kennedy International, Newark Liberty International, Washington Dulles International, Baltimore–Washington International, LaGuardia, Ronald Reagan Washington National, Tweed New Haven, Lehigh Valley International, New York Stewart International Airport, Westchester County.

Currently, you can fly between Key West and Philadelphia with United Airlines.

If you don’t have specific dates for your trip between Key West 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.

Traveling between Key West and Philadelphia, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Key West. The main one is Key West International and other nearby airports include Miami International, Key West International

There are a number of airports in and around Philadelphia. The main one is Philadelphia International and other nearby airports include John F. Kennedy International, Newark Liberty International, Washington Dulles International, Baltimore–Washington International, LaGuardia, Ronald Reagan Washington National, Tweed New Haven, Lehigh Valley International, New York Stewart International Airport, Westchester County.