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 $266 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 2 - Tue, Jul 8

STL

St. Louis

SAT

San Antonio

$266 Roundtrip, found 12 hours ago

$266

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Wed, Jul 2 from St. Louis to San Antonio, returning Tue, Jul 8, priced at $266 found 12 hours ago

Mon, Jun 30 - Tue, Jul 8

STL

St. Louis

SAT

San Antonio

$271 Roundtrip, found 12 hours ago

$271

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Mon, Jun 30 from St. Louis to San Antonio, returning Tue, Jul 8, priced at $271 found 12 hours ago

Wed, Jul 2 - Sun, Jul 6

STL

St. Louis

SAT

San Antonio

$276 Roundtrip, found 12 hours ago

$276

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Wed, Jul 2 from St. Louis to San Antonio, returning Sun, Jul 6, priced at $276 found 12 hours ago

Mon, Jun 30 - Sun, Jul 6

STL

St. Louis

SAT

San Antonio

$281 Roundtrip, found 12 hours ago

$281

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Mon, Jun 30 from St. Louis to San Antonio, returning Sun, Jul 6, priced at $281 found 12 hours ago

Fri, Jul 4 - Sun, Jul 6

STL

St. Louis

SAT

San Antonio

$286 Roundtrip, found 12 hours ago

$286

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Fri, Jul 4 from St. Louis to San Antonio, returning Sun, Jul 6, priced at $286 found 12 hours ago

Wed, Jul 2 - Sat, Jul 5

STL

St. Louis

SAT

San Antonio

$318 Roundtrip, found 12 hours ago

$318

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Wed, Jul 2 from St. Louis to San Antonio, returning Sat, Jul 5, priced at $318 found 12 hours ago

Mon, Jun 30 - Sat, Jul 5

STL

St. Louis

SAT

San Antonio

$323 Roundtrip, found 12 hours ago

$323

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Mon, Jun 30 from St. Louis to San Antonio, returning Sat, Jul 5, priced at $323 found 12 hours ago