Cheap Frontier Airlines flights Austin (AUS) to Knoxville (TYS)

Cheap Frontier Airlines flights Austin (AUS) to Knoxville (TYS)

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.

Sat, May 2 - Fri, May 15

AUS

Austin

TYS

Knoxville

$150 Roundtrip, found 12 hours ago

$150

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sat, May 2 from Austin to Knoxville, returning Fri, May 15, priced at $150 found 12 hours ago

Wed, Apr 29 - Fri, May 15

AUS

Austin

TYS

Knoxville

$191 Roundtrip, found 12 hours ago

$191

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Wed, Apr 29 from Austin to Knoxville, returning Fri, May 15, priced at $191 found 12 hours ago

Sat, May 2 - Fri, May 22

AUS

Austin

TYS

Knoxville

$195 Roundtrip, found 12 hours ago

$195

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sat, May 2 from Austin to Knoxville, returning Fri, May 22, priced at $195 found 12 hours ago

Thu, May 7 - Fri, May 22

AUS

Austin

TYS

Knoxville

$260 Roundtrip, found 12 hours ago

$260

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Thu, May 7 from Austin to Knoxville, returning Fri, May 22, priced at $260 found 12 hours ago

Sat, May 2 - Mon, May 18

AUS

Austin

TYS

Knoxville

$270 Roundtrip, found 12 hours ago

$270

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sat, May 2 from Austin to Knoxville, returning Mon, May 18, priced at $270 found 12 hours ago

Wed, Apr 29 - Mon, May 18

AUS

Austin

TYS

Knoxville

$311 Roundtrip, found 12 hours ago

$311

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Wed, Apr 29 from Austin to Knoxville, returning Mon, May 18, priced at $311 found 12 hours ago

Thu, May 7 - Mon, May 18

AUS

Austin

TYS

Knoxville

$335 Roundtrip, found 12 hours ago

$335

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Thu, May 7 from Austin to Knoxville, returning Mon, May 18, priced at $335 found 12 hours ago