$153 Cheap Spirit Airlines flights Phoenix (PHX) to St. Louis (STL)

$153 Cheap Spirit Airlines flights Phoenix (PHX) to St. Louis (STL)

Prices were available within the past 7 days and start at $153 for one-way flights and $220 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 23 - Thu, Jul 31

PHX

Phoenix

STL

St. Louis

$220 Roundtrip, found 3 days ago

$220

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Wed, Jul 23 from Phoenix to St. Louis, returning Thu, Jul 31, priced at $220 found 3 days ago

Wed, Jul 23 - Sun, Aug 3

PHX

Phoenix

STL

St. Louis

$226 Roundtrip, found 3 days ago

$226

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Wed, Jul 23 from Phoenix to St. Louis, returning Sun, Aug 3, priced at $226 found 3 days ago