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Flights from Saint Louis (STL) to Philadelphia (PHL)

American Airlines flights

IATA code: AA ICAO code: AAL

Showing American Airlines flights between STL and PHL

Frontier Airlines flights

IATA code: F9 ICAO code: FFT

Showing Frontier Airlines flights between STL and PHL

Southwest Airlines flights

IATA code: WN ICAO code: SWA

Showing Southwest flights between STL and PHL