Cheap Frontier Airlines flights Detroit (DTW) to St. Louis (STL)

Cheap Frontier Airlines flights Detroit (DTW) to St. Louis (STL)

Prices were available within the past 7 days and start at for one-way flights and $208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 23 - Wed, Aug 27

DTW

Detroit

STL

St. Louis

$208 Roundtrip, found 3 days ago

$208

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Aug 23 from Detroit to St. Louis, returning Wed, Aug 27, priced at $208 found 3 days ago

Thu, Aug 21 - Sat, Aug 23

DTW

Detroit

STL

St. Louis

$218 Roundtrip, found 3 days ago

$218

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Aug 21 from Detroit to St. Louis, returning Sat, Aug 23, priced at $218 found 3 days ago