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Cheap flights from St Louis (STL) to Philadelphia (PHL)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
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How to find the cheapest flight from St Louis (STL) to Philadelphia (PHL)

How to find the cheapest flight from St Louis (STL) to Philadelphia (PHL)
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How to find the cheapest flight from St Louis (STL) to Philadelphia (PHL)
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How to find the cheapest flight from St Louis (STL) to Philadelphia (PHL)
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One-way flights to Philadelphia from St Louis

3:30 PM - 6:15 PM
United Airlines
1 Stops
4h 50m
STL - PHL
$ 419
Kiwi
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1:00 PM - 5:30 PM
United Airlines
1 Stops
4h 42m
STL - PHL
$ 476
Kiwi
Pick dates
1:00 PM - 5:30 PM
United Airlines
1 Stops
4h 42m
STL - PHL
$ 841
Kiwi
Pick dates

How to find the cheapest flight from St Louis (STL) to Philadelphia (PHL)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Philadelphia (PHL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Philadelphia (PHL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.