Cheap Frontier Airlines flights St. Louis (STL) to Austin (AUS)

Cheap Frontier Airlines flights St. Louis (STL) to Austin (AUS)

Prices were available within the past 7 days and start at for one-way flights and $150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 30 - Fri, May 8

STL

St. Louis

AUS

Austin

$150 Roundtrip, found 1 day ago

$150

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Apr 30 from St. Louis to Austin, returning Fri, May 8, priced at $150 found 1 day ago

Thu, Apr 30 - Mon, May 11

STL

St. Louis

AUS

Austin

$170 Roundtrip, found 1 day ago

$170

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Apr 30 from St. Louis to Austin, returning Mon, May 11, priced at $170 found 1 day ago

Wed, Apr 29 - Mon, May 11

STL

St. Louis

AUS

Austin

$190 Roundtrip, found 1 day ago

$190

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Apr 29 from St. Louis to Austin, returning Mon, May 11, priced at $190 found 1 day ago

Sun, May 3 - Fri, May 8

STL

St. Louis

AUS

Austin

$191 Roundtrip, found 1 day ago

$191

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 3 from St. Louis to Austin, returning Fri, May 8, priced at $191 found 1 day ago

Sun, May 3 - Mon, May 11

STL

St. Louis

AUS

Austin

$211 Roundtrip, found 1 day ago

$211

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 3 from St. Louis to Austin, returning Mon, May 11, priced at $211 found 1 day ago

Thu, Apr 30 - Wed, May 6

STL

St. Louis

AUS

Austin

$215 Roundtrip, found 1 day ago

$215

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Apr 30 from St. Louis to Austin, returning Wed, May 6, priced at $215 found 1 day ago

Sun, May 3 - Sun, May 10

STL

St. Louis

AUS

Austin

$232 Roundtrip, found 1 day ago

$232

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 3 from St. Louis to Austin, returning Sun, May 10, priced at $232 found 1 day ago

Fri, May 1 - Mon, May 11

STL

St. Louis

AUS

Austin

$235 Roundtrip, found 1 day ago

$235

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, May 1 from St. Louis to Austin, returning Mon, May 11, priced at $235 found 1 day ago

Sun, May 3 - Wed, May 6

STL

St. Louis

AUS

Austin

$256 Roundtrip, found 1 day ago

$256

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 3 from St. Louis to Austin, returning Wed, May 6, priced at $256 found 1 day ago