Fly one-way from St. Louis to Philadelphia starting at $169. Bundle your Southwest Airlines® flight with a hotel or rental car booking and find even more savings.

Are you searching for American Airlines flights from Saint Louis to Philadelphia? Find the best selections and fly in style.

Cheap Flights from St. Louis (STL) to Philadelphia (PHL) start at $60 for one-way and $115 for round trip. Earn your airline miles on top of our rewards!

Find United Airlines cheap flights from Saint Louis to Philadelphia. Enjoy a Saint Louis to Philadelphia modern flight experience in premium cabins with Wi-Fi.

Each day, there are between 2 and 3 nonstop flights that take off from St. Louis and land in Philadelphia, with an average flight time of 2h 09m. The most common departure time is 6:00 am and most flights take off in the afternoon.

Find cheap fares from St. Louis, MO (STL) to Philadelphia, PA (PHL) with Frontier Airlines. Enjoy unlimited savings all year with the Discount Den℠!

Detailed flight information from Saint Louis STL to Philadelphia PHL. See all airline(s) with scheduled flights and weekly timetables up to 9 months ahead. Flightnumbers and complete route information.

Find the best deals on flights from St Louis (STL) to Philadelphia (PHLA). Compare prices from hundreds of major travel agents and airlines, all in one search.

All direct (non-stop) flights from St. Louis to Philadelphia. See airlines, aircrafts, flight time and distance, flight schedules and timetables.

5 days ago · Find airfare and ticket deals for cheap flights from St. Louis to Philadelphia. Search flight deals from various travel partners with one click at $55.