Cheap Frontier Airlines flights Minneapolis (MSP) to St. Louis (STL)

Cheap Frontier Airlines flights Minneapolis (MSP) to St. Louis (STL)

Prices were available within the past 7 days and start at for one-way flights and $188 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 9 - Wed, Sep 10

MSP

Minneapolis

STL

St. Louis

$188 Roundtrip, found 1 day ago

$188

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Sep 9 from Minneapolis to St. Louis, returning Wed, Sep 10, priced at $188 found 1 day ago

Fri, Sep 12 - Sat, Sep 13

MSP

Minneapolis

STL

St. Louis

$198 Roundtrip, found 1 day ago

$198

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Sep 12 from Minneapolis to St. Louis, returning Sat, Sep 13, priced at $198 found 1 day ago