Photo by Mike Baxter

Popular airlines from Philadelphia to Edwardsville
- Frontier Airlines
Frontier Airlines
- American Airlines
American Airlines
- Delta
Delta
- United
United
- Southwest Airlines
Southwest Airlines
- Spirit Airlines
Spirit Airlines
- Alaska Airlines
Alaska Airlines
- Plan, book, fly with confidence
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Cheap Flights from Philadelphia to Edwardsville (ILG-STL)
Prices were available within the past 7 days and start at $87 for one-way flights and $153 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Aug 10 - Fri, Aug 15
PHL
Philadelphia
STL
St. Louis
$153 Roundtrip, found 6 days ago
$153
Roundtrip
found 6 days ago

Sun, Sep 14 - Thu, Sep 18
PHL
Philadelphia
STL
St. Louis
$166 Roundtrip, found 3 hours ago
$166
Roundtrip
found 3 hours ago

Sat, Aug 30 - Sun, Aug 31
ABE
Allentown
STL
St. Louis
$179 Roundtrip, found 6 days ago
$179
Roundtrip
found 6 days ago

Wed, Aug 20 - Thu, Aug 21
PHL
Philadelphia
STL
St. Louis
$182 Roundtrip, found 7 hours ago
$182
Roundtrip
found 7 hours ago

Tue, Aug 12 - Mon, Aug 18
PHL
Philadelphia
STL
St. Louis
$190 Roundtrip, found 8 hours ago
$190
Roundtrip
found 8 hours ago

Wed, Aug 20 - Thu, Aug 21
PHL
Philadelphia
STL
St. Louis
$192 Roundtrip, found 7 hours ago
$192
Roundtrip
found 7 hours ago
Find the cheapest month to fly from Philadelphia (PHL) to St. Louis (STL)
August is typically the cheapest month to fly
From $101 - $253 per traveler.
Graph displaying average flight prices per month
Alternative airports near Edwardsville
Prices were available within the past 7 days. Prices and availability are subject to change.
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