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 $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Feb 25 - Tue, Mar 3

STL

St. Louis

SAT

San Antonio

$138 Roundtrip, found 4 days ago

$138

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Feb 25 from St. Louis to San Antonio, returning Tue, Mar 3, priced at $138 found 4 days ago

Thu, Feb 26 - Tue, Mar 3

STL

St. Louis

SAT

San Antonio

$149 Roundtrip, found 4 days ago

$149

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Feb 26 from St. Louis to San Antonio, returning Tue, Mar 3, priced at $149 found 4 days ago

Thu, Jan 29 - Mon, Feb 2

STL

St. Louis

SAT

San Antonio

$160 Roundtrip, found 2 days ago

$160

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jan 29 from St. Louis to San Antonio, returning Mon, Feb 2, priced at $160 found 2 days ago

Wed, Mar 4 - Tue, Mar 10

STL

St. Louis

SAT

San Antonio

$165 Roundtrip, found 4 days ago

$165

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Mar 4 from St. Louis to San Antonio, returning Tue, Mar 10, priced at $165 found 4 days ago

Fri, Feb 27 - Tue, Mar 3

STL

St. Louis

SAT

San Antonio

$169 Roundtrip, found 4 days ago

$169

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Feb 27 from St. Louis to San Antonio, returning Tue, Mar 3, priced at $169 found 4 days ago

Wed, Feb 25 - Thu, Mar 5

STL

St. Louis

SAT

San Antonio

$173 Roundtrip, found 4 days ago

$173

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Feb 25 from St. Louis to San Antonio, returning Thu, Mar 5, priced at $173 found 4 days ago

Sun, Jan 25 - Thu, Jan 29

STL

St. Louis

SAT

San Antonio

$180 Roundtrip, found 2 days ago

$180

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Jan 25 from St. Louis to San Antonio, returning Thu, Jan 29, priced at $180 found 2 days ago

Thu, Feb 26 - Mon, Mar 9

STL

St. Louis

SAT

San Antonio

$184 Roundtrip, found 4 days ago

$184

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Feb 26 from St. Louis to San Antonio, returning Mon, Mar 9, priced at $184 found 4 days ago

Sat, Jan 24 - Thu, Jan 29

STL

St. Louis

SAT

San Antonio

$186 Roundtrip, found 2 days ago

$186

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Jan 24 from St. Louis to San Antonio, returning Thu, Jan 29, priced at $186 found 2 days ago

Wed, Mar 4 - Mon, Mar 9

STL

St. Louis

SAT

San Antonio

$189 Roundtrip, found 4 days ago

$189

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Mar 4 from St. Louis to San Antonio, returning Mon, Mar 9, priced at $189 found 4 days ago

Thu, Feb 26 - Thu, Mar 12

STL

St. Louis

SAT

San Antonio

$195 Roundtrip, found 4 days ago

$195

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Feb 26 from St. Louis to San Antonio, returning Thu, Mar 12, priced at $195 found 4 days ago

Sun, Jan 25 - Fri, Jan 30

STL

St. Louis

SAT

San Antonio

$200 Roundtrip, found 2 days ago

$200

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Jan 25 from St. Louis to San Antonio, returning Fri, Jan 30, priced at $200 found 2 days ago