Cheap American Airlines flights St. Louis (STL) to Philadelphia (PHL)

Find the cheapest month to fly from St. Louis (STL) to Philadelphia (PHL)

January is typically the cheapest month to fly

From $120 - $414 per traveler.
Flights from St. Louis (STL) to Philadelphia (PHL)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Philadelphia Intl.
Distance
1298 km
Average flight time
3 hours 9 mins