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 $200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 18 - Tue, Aug 25

SAT

San Antonio

STL

St. Louis

$200 Roundtrip, found 6 days ago

$200

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Aug 18 from San Antonio to St. Louis, returning Tue, Aug 25, priced at $200 found 6 days ago

Mon, Aug 24 - Tue, Aug 25

SAT

San Antonio

STL

St. Louis

$214 Roundtrip, found 6 days ago

$214

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Aug 24 from San Antonio to St. Louis, returning Tue, Aug 25, priced at $214 found 6 days ago

Fri, Aug 21 - Tue, Aug 25

SAT

San Antonio

STL

St. Louis

$220 Roundtrip, found 6 days ago

$220

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Aug 21 from San Antonio to St. Louis, returning Tue, Aug 25, priced at $220 found 6 days ago

Sat, Aug 1 - Wed, Aug 5

SAT

San Antonio

STL

St. Louis

$228 Roundtrip, found 1 day ago

$228

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Aug 1 from San Antonio to St. Louis, returning Wed, Aug 5, priced at $228 found 1 day ago

Mon, Jul 27 - Wed, Aug 5

SAT

San Antonio

STL

St. Louis

$233 Roundtrip, found 1 day ago

$233

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jul 27 from San Antonio to St. Louis, returning Wed, Aug 5, priced at $233 found 1 day ago

Mon, Aug 24 - Fri, Aug 28

SAT

San Antonio

STL

St. Louis

$234 Roundtrip, found 6 days ago

$234

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Aug 24 from San Antonio to St. Louis, returning Fri, Aug 28, priced at $234 found 6 days ago

Mon, Jul 27 - Mon, Aug 3

SAT

San Antonio

STL

St. Louis

$238 Roundtrip, found 1 day ago

$238

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jul 27 from San Antonio to St. Louis, returning Mon, Aug 3, priced at $238 found 1 day ago

Sat, Aug 22 - Tue, Aug 25

SAT

San Antonio

STL

St. Louis

$240 Roundtrip, found 6 days ago

$240

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Aug 22 from San Antonio to St. Louis, returning Tue, Aug 25, priced at $240 found 6 days ago

Wed, Jul 29 - Sat, Aug 1

SAT

San Antonio

STL

St. Louis

$254 Roundtrip, found 1 day ago

$254

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 29 from San Antonio to St. Louis, returning Sat, Aug 1, priced at $254 found 1 day ago

Mon, Jul 27 - Sat, Aug 1

SAT

San Antonio

STL

St. Louis

$259 Roundtrip, found 1 day ago

$259

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jul 27 from San Antonio to St. Louis, returning Sat, Aug 1, priced at $259 found 1 day ago

Sat, Aug 22 - Fri, Aug 28

SAT

San Antonio

STL

St. Louis

$260 Roundtrip, found 6 days ago

$260

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Aug 22 from San Antonio to St. Louis, returning Fri, Aug 28, priced at $260 found 6 days ago

Fri, Jul 31 - Wed, Aug 5

SAT

San Antonio

STL

St. Louis

$283 Roundtrip, found 1 day ago

$283

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 31 from San Antonio to St. Louis, returning Wed, Aug 5, priced at $283 found 1 day ago