Flights from Philadelphia Airport (PHL) to St. Louis Lambert Airport Airport (STL)
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Flight Price FAQ - Philadelphia (PHL) to St Louis (STL)
DIRECT
Southwest Airlines
What is the cheapest direct flight one way from Philadelphia PHL to St Louis STL?
The cheapest direct flight one way from Philadelphia PHL to St Louis STL is £162.43 ($222 €187.24)
DIRECT
Southwest Airlines
What is the cheapest direct return flight from Philadelphia PHL to St Louis STL?
The cheapest direct return flight from Philadelphia PHL to St Louis STL is £238.53 ($326 €274.95)
1+ STOP(S)
What is the cheapest flight one way from Philadelphia PHL to St Louis STL?
The cheapest flight one way from Philadelphia PHL to St Louis STL is £63.66 ($87 €73.38)
1+ STOP(S)
What is the cheapest return flight from Philadelphia PHL to St Louis STL?
The cheapest return flight from Philadelphia PHL to St Louis STL is £100.24 ($137 €115.55)
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.
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Useful Information about St. Louis Lambert Airport
Lounges at St. Louis Lambert Airport
See all the airport lounges, locations and opening times available at St. Louis Lambert Airport
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Eating and Drinking at St. Louis Lambert Airport
See all bars and restaurants at St. Louis Lambert Airport, including locations and if they are before or after check-in
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Duty Free Shopping at St. Louis Lambert Airport
See all shops available at St. Louis Lambert Airport - plan your duty free shopping in advance
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St. Louis Tourist Attractions
Things to see and do in and around St. Louis, Missouri in the United States of America
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