$69 Cheap Frontier Airlines flights Atlanta (ATL) to St. Louis (STL)

$69 Cheap Frontier Airlines flights Atlanta (ATL) to St. Louis (STL)

Prices were available within the past 7 days and start at $69 for one-way flights and $129 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 1 - Thu, Sep 4

ATL

Atlanta

STL

St. Louis

$129 Roundtrip, found 3 days ago

$129

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Sep 1 from Atlanta to St. Louis, returning Thu, Sep 4, priced at $129 found 3 days ago

Fri, Aug 29 - Sat, Aug 30

ATL

Atlanta

STL

St. Louis

$131 Roundtrip, found 6 days ago

$131

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Aug 29 from Atlanta to St. Louis, returning Sat, Aug 30, priced at $131 found 6 days ago

Fri, Aug 29 - Thu, Sep 4

ATL

Atlanta

STL

St. Louis

$133 Roundtrip, found 6 days ago

$133

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Aug 29 from Atlanta to St. Louis, returning Thu, Sep 4, priced at $133 found 6 days ago

Sat, Aug 23 - Sat, Aug 30

ATL

Atlanta

STL

St. Louis

$136 Roundtrip, found 7 hours ago

$136

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sat, Aug 23 from Atlanta to St. Louis, returning Sat, Aug 30, priced at $136 found 7 hours ago

Mon, Aug 25 - Sat, Aug 30

ATL

Atlanta

STL

St. Louis

$138 Roundtrip, found 7 hours ago

$138

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Mon, Aug 25 from Atlanta to St. Louis, returning Sat, Aug 30, priced at $138 found 7 hours ago

Mon, Aug 25 - Sun, Aug 31

ATL

Atlanta

STL

St. Louis

$144 Roundtrip, found 7 hours ago

$144

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Mon, Aug 25 from Atlanta to St. Louis, returning Sun, Aug 31, priced at $144 found 7 hours ago

Fri, Aug 29 - Mon, Sep 1

ATL

Atlanta

STL

St. Louis

$145 Roundtrip, found 6 days ago

$145

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Aug 29 from Atlanta to St. Louis, returning Mon, Sep 1, priced at $145 found 6 days ago