Cheap flights from St. Louis to Philadelphia from £83

Travelers frequently search for route combinations, such as St. Louis and London, Las Vegas, Orlando, Cancún, Denver, Los Angeles, San Francisco, Mexico City, Cali, Buenos Aires, Ottawa, Lima, Toronto, Edmonton, San José, Reykjavik, Kelowna, Tuxtla Gutiérrez, Sydney, Fort Lauderdale.

Travelers frequently search for route combinations, such as Philadelphia and London, Atlanta, Orlando, Fort Lauderdale, Mexico City, Dallas, Miami, Tampa, Los Angeles, Detroit, Nashville, Chicago, Boston, Manchester, Charlotte, Denver, San Juan, Las Vegas, Santo Domingo, Houston.

The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, General Wayne A. Downing Peoria International, Evansville Regional, MidAmerica St. Louis, Williamson County Regional, Waynesville-St. Robert Regional, Cape Girardeau Regional, Central Illinois Regional, Barkley Regional, Abraham Lincoln Capital.

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

Currently, you can fly between St. Louis and Philadelphia with Frontier Airlines, United Airlines, Spirit Airlines, Southern Airways Express, JetBlue Airways.

If you don’t have specific dates for your trip between St. Louis 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 St. Louis 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 St. Louis. The main one is St. Louis Lambert International and other nearby airports include St. Louis Lambert International, General Wayne A. Downing Peoria International, Evansville Regional, MidAmerica St. Louis, Williamson County Regional, Waynesville-St. Robert Regional, Cape Girardeau Regional, Central Illinois Regional, Barkley Regional, Abraham Lincoln Capital

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, LaGuardia, Baltimore–Washington International, Ronald Reagan Washington National, Tweed New Haven, Atlantic City International, Lehigh Valley International, Westchester County.