$134 Cheap American Airlines flights Philadelphia (PHL) to St. Louis (STL)

$134 Cheap American Airlines flights Philadelphia (PHL) to St. Louis (STL)

Prices were available within the past 7 days and start at $134 for one-way flights and $332 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 9 - Fri, Jun 13

PHL

Philadelphia

STL

St. Louis

$332 Roundtrip, found 18 hours ago

$332

Roundtrip

found 18 hours ago

Select American Airlines flight, departing Mon, Jun 9 from Philadelphia to St. Louis, returning Fri, Jun 13, priced at $332 found 18 hours ago

Fri, Jun 20 - Sun, Jun 22

PHL

Philadelphia

STL

St. Louis

$337 Roundtrip, found 1 day ago

$337

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Jun 20 from Philadelphia to St. Louis, returning Sun, Jun 22, priced at $337 found 1 day ago

Mon, Jun 9 - Fri, Jun 13

PHL

Philadelphia

STL

St. Louis

$342 Roundtrip, found 18 hours ago

$342

Roundtrip

found 18 hours ago

Select American Airlines flight, departing Mon, Jun 9 from Philadelphia to St. Louis, returning Fri, Jun 13, priced at $342 found 18 hours ago

Fri, Jun 20 - Sun, Jun 22

PHL

Philadelphia

STL

St. Louis

$346 Roundtrip, found 1 day ago

$346

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Jun 20 from Philadelphia to St. Louis, returning Sun, Jun 22, priced at $346 found 1 day ago

Fri, Jun 20 - Sun, Jun 22

PHL

Philadelphia

STL

St. Louis

$347 Roundtrip, found 1 day ago

$347

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Jun 20 from Philadelphia to St. Louis, returning Sun, Jun 22, priced at $347 found 1 day ago

Mon, Jun 9 - Thu, Jun 12

PHL

Philadelphia

STL

St. Louis

$356 Roundtrip, found 18 hours ago

$356

Roundtrip

found 18 hours ago

Select American Airlines flight, departing Mon, Jun 9 from Philadelphia to St. Louis, returning Thu, Jun 12, priced at $356 found 18 hours ago