$139 Cheap American Airlines flights Philadelphia (PHL) to St. Louis (STL)

$139 Cheap American Airlines flights Philadelphia (PHL) to St. Louis (STL)

Prices were available within the past 7 days and start at $139 for one-way flights and $253 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 10 - Sat, Jun 13

PHL

Philadelphia

STL

St. Louis

$253 Roundtrip, found 6 days ago

$253

Roundtrip

found 6 days ago

Select American Airlines flight, departing Wed, Jun 10 from Philadelphia to St. Louis, returning Sat, Jun 13, priced at $253 found 6 days ago

Wed, Jun 10 - Sat, Jun 13

PHL

Philadelphia

STL

St. Louis

$263 Roundtrip, found 6 days ago

$263

Roundtrip

found 6 days ago

Select American Airlines flight, departing Wed, Jun 10 from Philadelphia to St. Louis, returning Sat, Jun 13, priced at $263 found 6 days ago

Fri, Jun 12 - Sun, Jun 14

PHL

Philadelphia

STL

St. Louis

$479 Roundtrip, found 8 hours ago

$479

Roundtrip

found 8 hours ago

Select American Airlines flight, departing Fri, Jun 12 from Philadelphia to St. Louis, returning Sun, Jun 14, priced at $479 found 8 hours ago