$409 Cheap American Airlines flights Philadelphia (PHL) to St. Louis (STL)

$409 Cheap American Airlines flights Philadelphia (PHL) to St. Louis (STL)

Prices were available within the past 7 days and start at $409 for one-way flights and $547 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 20 - Sat, Nov 22

PHL

Philadelphia

STL

St. Louis

$547 Roundtrip, found 6 hours ago

$547

Roundtrip

found 6 hours ago

Select American Airlines flight, departing Thu, Nov 20 from Philadelphia to St. Louis, returning Sat, Nov 22, priced at $547 found 6 hours ago

Thu, Nov 20 - Sun, Nov 23

PHL

Philadelphia

STL

St. Louis

$555 Roundtrip, found 1 day ago

$555

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Nov 20 from Philadelphia to St. Louis, returning Sun, Nov 23, priced at $555 found 1 day ago

Thu, Nov 20 - Sat, Nov 22

PHL

Philadelphia

STL

St. Louis

$611 Roundtrip, found 6 hours ago

$611

Roundtrip

found 6 hours ago

Select American Airlines flight, departing Thu, Nov 20 from Philadelphia to St. Louis, returning Sat, Nov 22, priced at $611 found 6 hours ago

Thu, Nov 20 - Sun, Nov 23

PHL

Philadelphia

STL

St. Louis

$619 Roundtrip, found 1 day ago

$619

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Nov 20 from Philadelphia to St. Louis, returning Sun, Nov 23, priced at $619 found 1 day ago

Thu, Nov 20 - Sat, Nov 22

PHL

Philadelphia

STL

St. Louis

$621 Roundtrip, found 6 hours ago

$621

Roundtrip

found 6 hours ago

Select American Airlines flight, departing Thu, Nov 20 from Philadelphia to St. Louis, returning Sat, Nov 22, priced at $621 found 6 hours ago

Thu, Nov 20 - Sat, Nov 22

PHL

Philadelphia

STL

St. Louis

$817 Roundtrip, found 6 hours ago

$817

Roundtrip

found 6 hours ago

Select American Airlines flight, departing Thu, Nov 20 from Philadelphia to St. Louis, returning Sat, Nov 22, priced at $817 found 6 hours ago