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 $120 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 14 - Tue, Feb 24

STL

St. Louis

SAT

San Antonio

$120 Roundtrip, found 11 hours ago

$120

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, Feb 14 from St. Louis to San Antonio, returning Tue, Feb 24, priced at $120 found 11 hours ago

Sat, Feb 14 - Fri, Feb 27

STL

St. Louis

SAT

San Antonio

$134 Roundtrip, found 11 hours ago

$134

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, Feb 14 from St. Louis to San Antonio, returning Fri, Feb 27, priced at $134 found 11 hours ago

Sat, Feb 14 - Fri, Feb 20

STL

St. Louis

SAT

San Antonio

$138 Roundtrip, found 11 hours ago

$138

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, Feb 14 from St. Louis to San Antonio, returning Fri, Feb 20, priced at $138 found 11 hours ago

Sun, Feb 1 - Fri, Feb 20

STL

St. Louis

SAT

San Antonio

$152 Roundtrip, found 16 hours ago

$152

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sun, Feb 1 from St. Louis to San Antonio, returning Fri, Feb 20, priced at $152 found 16 hours ago

Sun, Feb 8 - Fri, Feb 27

STL

St. Louis

SAT

San Antonio

$156 Roundtrip, found 16 hours ago

$156

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sun, Feb 8 from St. Louis to San Antonio, returning Fri, Feb 27, priced at $156 found 16 hours ago

Sat, Feb 14 - Tue, Feb 17

STL

St. Louis

SAT

San Antonio

$160 Roundtrip, found 11 hours ago

$160

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, Feb 14 from St. Louis to San Antonio, returning Tue, Feb 17, priced at $160 found 11 hours ago

Sun, Feb 1 - Tue, Feb 17

STL

St. Louis

SAT

San Antonio

$174 Roundtrip, found 16 hours ago

$174

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sun, Feb 1 from St. Louis to San Antonio, returning Tue, Feb 17, priced at $174 found 16 hours ago

Thu, Feb 5 - Thu, Feb 19

STL

St. Louis

SAT

San Antonio

$190 Roundtrip, found 16 hours ago

$190

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Thu, Feb 5 from St. Louis to San Antonio, returning Thu, Feb 19, priced at $190 found 16 hours ago

Sat, Feb 14 - Sun, Mar 1

STL

St. Louis

SAT

San Antonio

$191 Roundtrip, found 11 hours ago

$191

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, Feb 14 from St. Louis to San Antonio, returning Sun, Mar 1, priced at $191 found 11 hours ago

Thu, Feb 5 - Fri, Feb 20

STL

St. Louis

SAT

San Antonio

$208 Roundtrip, found 16 hours ago

$208

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Thu, Feb 5 from St. Louis to San Antonio, returning Fri, Feb 20, priced at $208 found 16 hours ago

Sun, Feb 8 - Sun, Mar 1

STL

St. Louis

SAT

San Antonio

$209 Roundtrip, found 16 hours ago

$209

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sun, Feb 8 from St. Louis to San Antonio, returning Sun, Mar 1, priced at $209 found 16 hours ago

Sat, Feb 14 - Mon, Feb 23

STL

St. Louis

SAT

San Antonio

$210 Roundtrip, found 11 hours ago

$210

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, Feb 14 from St. Louis to San Antonio, returning Mon, Feb 23, priced at $210 found 11 hours ago