Airlines with flights from Saint Louis to Philadelphia
There are five airlines with scheduled flights between STL and PHL. Both American Airlines and Southwest operates non-stop flights from Saint Louis Airport to Philadelphia International Airport and the flight time is 2 hours and 20 minutes.
Choose airline
Schedules
Non-stop with American Airlines
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Total flight time: 2 hours and 20 minutes
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One World Alliance
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Philadelphia is a American Airlines hub.
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34 flights per week
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Airbus A319Canadair (Bombardier) Regional Jet 900
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First class available
Flight
The timetable & schedule information was updated at 2026-04-21
Non-stop with Southwest Airlines
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Total flight time: 2 hours and 10 minutes
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Low-cost airline
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13 flights per week
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Boeing 737-700 Passenger (Scimitar Winglets)Boeing 737MAX 8 Passenger
Flight
The timetable & schedule information was updated at 2026-04-21
Via Chicago with Southwest Airlines
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Total flight time: 3h 45m - 5h 50m.
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Low-cost airline
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107 flights per week
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Boeing 737-700 Passenger (Scimitar Winglets)Boeing 737MAX 8 Passenger
Flight
WN3222
WN4122
WN4351
WN4351
WN4948
WN4948
WN4263
WN4263
WN3554
The timetable & schedule information was updated at 2026-04-21
Via Nashville with Southwest Airlines
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Total flight time: 3h 50m - 6h 10m.
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Low-cost airline
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83 flights per week
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Boeing 737-700 Passenger (Scimitar Winglets)Boeing 737MAX 8 Passenger
Flight
WN4730
WN626
WN626
WN626
WN634
WN634
WN634
The timetable & schedule information was updated at 2026-04-21
Via Detroit with Delta Air Lines
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Total flight time: 3h 51m - 5h 24m.
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Sky Team Alliance
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98 flights per week
Flight
DL2331
DL1391
DL1686
DL2402
The timetable & schedule information was updated at 2026-04-21
Via Washington with American Airlines
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Total flight time: 3h 57m - 6h 26m.
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One World Alliance
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Philadelphia is a American Airlines hub.
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42 flights per week
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Airbus A319Canadair (Bombardier) Regional Jet 900
Flight
The timetable & schedule information was updated at 2026-04-21

There are five airlines with scheduled flights between STL and PHL. Both American Airlines and Southwest operates non-stop flights from Saint Louis Airport to Philadelphia International Airport and the flight time is 2 hours and 20 minutes.
Via Chicago with United
Via Atlanta with Frontier