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 $120 for round trip. Earn your airline miles on top of our rewards!

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 …

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.

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

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

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.

Planning a quick getaway from St. Louis to Philadelphia? These are the last-minute flight deals available now. If you prefer a non-stop journey, check out our latest direct flight deals to …

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