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

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

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

Thu, Apr 16 - Fri, Apr 17

STL

St. Louis

SAT

San Antonio

$190 Roundtrip, found 5 days ago

$190

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Apr 16 from St. Louis to San Antonio, returning Fri, Apr 17, priced at $190 found 5 days ago

Mon, Apr 20 - Wed, Apr 22

STL

St. Louis

SAT

San Antonio

$191 Roundtrip, found 5 days ago

$191

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Apr 20 from St. Louis to San Antonio, returning Wed, Apr 22, priced at $191 found 5 days ago

Thu, Apr 16 - Wed, Apr 22

STL

St. Louis

SAT

San Antonio

$211 Roundtrip, found 5 days ago

$211

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Apr 16 from St. Louis to San Antonio, returning Wed, Apr 22, priced at $211 found 5 days ago

Mon, Apr 20 - Fri, Apr 24

STL

St. Louis

SAT

San Antonio

$215 Roundtrip, found 5 days ago

$215

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Apr 20 from St. Louis to San Antonio, returning Fri, Apr 24, priced at $215 found 5 days ago

Sat, Apr 18 - Wed, Apr 22

STL

St. Louis

SAT

San Antonio

$232 Roundtrip, found 5 days ago

$232

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Apr 18 from St. Louis to San Antonio, returning Wed, Apr 22, priced at $232 found 5 days ago

Thu, Apr 16 - Fri, Apr 24

STL

St. Louis

SAT

San Antonio

$235 Roundtrip, found 5 days ago

$235

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Apr 16 from St. Louis to San Antonio, returning Fri, Apr 24, priced at $235 found 5 days ago

Sat, Apr 18 - Fri, Apr 24

STL

St. Louis

SAT

San Antonio

$256 Roundtrip, found 5 days ago

$256

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Apr 18 from St. Louis to San Antonio, returning Fri, Apr 24, priced at $256 found 5 days ago

Thu, Apr 16 - Sun, Apr 19

STL

St. Louis

SAT

San Antonio

$290 Roundtrip, found 5 days ago

$290

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Apr 16 from St. Louis to San Antonio, returning Sun, Apr 19, priced at $290 found 5 days ago