$101 Cheap Frontier Airlines flights Detroit (DTW) to St. Louis (STL)

$101 Cheap Frontier Airlines flights Detroit (DTW) to St. Louis (STL)

Prices were available within the past 7 days and start at $101 for one-way flights and $190 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jun 4 - Tue, Jun 9

DTW

Detroit

STL

St. Louis

$190 Roundtrip, found 22 hours ago

$190

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Thu, Jun 4 from Detroit to St. Louis, returning Tue, Jun 9, priced at $190 found 22 hours ago

Fri, Jun 5 - Tue, Jun 9

DTW

Detroit

STL

St. Louis

$211 Roundtrip, found 22 hours ago

$211

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Fri, Jun 5 from Detroit to St. Louis, returning Tue, Jun 9, priced at $211 found 22 hours ago

Thu, Jun 4 - Sun, Jun 14

DTW

Detroit

STL

St. Louis

$215 Roundtrip, found 22 hours ago

$215

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Thu, Jun 4 from Detroit to St. Louis, returning Sun, Jun 14, priced at $215 found 22 hours ago

Tue, Jun 9 - Wed, Jun 10

DTW

Detroit

STL

St. Louis

$216 Roundtrip, found 22 hours ago

$216

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Tue, Jun 9 from Detroit to St. Louis, returning Wed, Jun 10, priced at $216 found 22 hours ago

Tue, Jun 9 - Sun, Jun 14

DTW

Detroit

STL

St. Louis

$236 Roundtrip, found 22 hours ago

$236

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Tue, Jun 9 from Detroit to St. Louis, returning Sun, Jun 14, priced at $236 found 22 hours ago

Wed, Jun 10 - Sun, Jun 14

DTW

Detroit

STL

St. Louis

$240 Roundtrip, found 22 hours ago

$240

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Wed, Jun 10 from Detroit to St. Louis, returning Sun, Jun 14, priced at $240 found 22 hours ago