$84 Cheap Spirit Airlines flights Philadelphia (PHL) to St. Louis (STL)

$84 Cheap Spirit Airlines flights Philadelphia (PHL) to St. Louis (STL)

Prices were available within the past 7 days and start at $84 for one-way flights and $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 28 - Sun, Aug 31

PHL

Philadelphia

STL

St. Louis

$199 Roundtrip, found 1 day ago

$199

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 28 from Philadelphia to St. Louis, returning Sun, Aug 31, priced at $199 found 1 day ago

Fri, Aug 22 - Thu, Aug 28

PHL

Philadelphia

STL

St. Louis

$224 Roundtrip, found 1 day ago

$224

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Aug 22 from Philadelphia to St. Louis, returning Thu, Aug 28, priced at $224 found 1 day ago

Mon, Aug 25 - Fri, Aug 29

PHL

Philadelphia

STL

St. Louis

$258 Roundtrip, found 1 day ago

$258

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Aug 25 from Philadelphia to St. Louis, returning Fri, Aug 29, priced at $258 found 1 day ago