Cheap flights from Saint Louis to Philadelphia
Travel > North America > United States > Saint Louis to Philadelphia flights
Check our current prices for flights from Saint Louis to Philadelphia. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Saint Louis to Philadelphia, you will need to run a search below.
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Cheap Philadelphia airfares from $718/RT are provided by Cheapoair.com. Outbound flight is leaving on 04/10/2025, 06:42 pm from St. Louis Intl (STL) airport and arrives at Philadelphia Pa/wilm`ton Intl (PHL) at 01:40 pm. The flight time is 18 hours and 58 minutes. The Returning flight departes on 04/13/2025, 11:08 pm (other return dates are also available). Date posted: 07 Nov 2024
Price evolution for flights From Saint Louis To Philadelphia
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Recent Deals on Flights from Saint Louis to Philadelphia:Roundtrip / Oneway
- $718
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Philadelphia, PA (PHL) 04/10/2025 06:42 pm Philadelphia, PA (PHL) Saint Louis, MO (STL) 04/13/2025 11:08 pm - $1107
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Philadelphia, PA (PHL) 04/10/2025 06:42 pm Philadelphia, PA (PHL) Saint Louis, MO (STL) 04/13/2025 06:10 am - $136
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Philadelphia, PA (PHL) 03/24/2025 05:24 pm
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