$87 Cheap Frontier Airlines flights St. Louis (STL) to Austin (AUS)

$87 Cheap Frontier Airlines flights St. Louis (STL) to Austin (AUS)

Prices were available within the past 7 days and start at $87 for one-way flights and $188 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 21 - Sat, May 24

STL

St. Louis

AUS

Austin

$188 Roundtrip, found 4 days ago

$188

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, May 21 from St. Louis to Austin, returning Sat, May 24, priced at $188 found 4 days ago

Wed, May 21 - Tue, May 27

STL

St. Louis

AUS

Austin

$200 Roundtrip, found 4 days ago

$200

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, May 21 from St. Louis to Austin, returning Tue, May 27, priced at $200 found 4 days ago

Wed, May 21 - Sat, May 31

STL

St. Louis

AUS

Austin

$229 Roundtrip, found 4 days ago

$229

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, May 21 from St. Louis to Austin, returning Sat, May 31, priced at $229 found 4 days ago

Thu, May 22 - Sat, May 24

STL

St. Louis

AUS

Austin

$230 Roundtrip, found 4 days ago

$230

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, May 22 from St. Louis to Austin, returning Sat, May 24, priced at $230 found 4 days ago

Thu, May 22 - Tue, May 27

STL

St. Louis

AUS

Austin

$240 Roundtrip, found 4 days ago

$240

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, May 22 from St. Louis to Austin, returning Tue, May 27, priced at $240 found 4 days ago

Thu, May 22 - Mon, May 26

STL

St. Louis

AUS

Austin

$271 Roundtrip, found 4 days ago

$271

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, May 22 from St. Louis to Austin, returning Mon, May 26, priced at $271 found 4 days ago

Wed, May 21 - Fri, May 23

STL

St. Louis

AUS

Austin

$290 Roundtrip, found 4 days ago

$290

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, May 21 from St. Louis to Austin, returning Fri, May 23, priced at $290 found 4 days ago