Cheap Frontier Airlines flights San Antonio (SAT) to St. Louis (STL)

Cheap Frontier Airlines flights San Antonio (SAT) to St. Louis (STL)

Prices were available within the past 7 days and start at for one-way flights and $472 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 23 - Mon, Dec 29

SAT

San Antonio

STL

St. Louis

$472 Roundtrip, found 1 day ago

$472

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from San Antonio to St. Louis, returning Mon, Dec 29, priced at $472 found 1 day ago

Mon, Dec 22 - Tue, Dec 30

SAT

San Antonio

STL

St. Louis

$497 Roundtrip, found 1 day ago

$497

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Dec 22 from San Antonio to St. Louis, returning Tue, Dec 30, priced at $497 found 1 day ago

Mon, Dec 22 - Mon, Dec 29

SAT

San Antonio

STL

St. Louis

$532 Roundtrip, found 1 day ago

$532

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Dec 22 from San Antonio to St. Louis, returning Mon, Dec 29, priced at $532 found 1 day ago