$72 Cheap Frontier Airlines flights Knoxville (TYS) to Denver (DEN)

$72 Cheap Frontier Airlines flights Knoxville (TYS) to Denver (DEN)

Prices were available within the past 7 days and start at $72 for one-way flights and $190 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jun 29 - Thu, Jul 3

TYS

Knoxville

DEN

Denver

$190 Roundtrip, found 1 day ago

$190

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jun 29 from Knoxville to Denver, returning Thu, Jul 3, priced at $190 found 1 day ago

Thu, Jul 3 - Sun, Jul 6

TYS

Knoxville

DEN

Denver

$193 Roundtrip, found 1 day ago

$193

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 3 from Knoxville to Denver, returning Sun, Jul 6, priced at $193 found 1 day ago

Sun, Jun 29 - Sun, Jul 6

TYS

Knoxville

DEN

Denver

$229 Roundtrip, found 1 day ago

$229

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jun 29 from Knoxville to Denver, returning Sun, Jul 6, priced at $229 found 1 day ago

Thu, Jun 5 - Tue, Jun 10

TYS

Knoxville

DEN

Denver

$306 Roundtrip, found 4 days ago

$306

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Knoxville to Denver, returning Tue, Jun 10, priced at $306 found 4 days ago

Thu, Jun 5 - Tue, Jun 10

TYS

Knoxville

DEN

Denver

$335 Roundtrip, found 4 days ago

$335

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Knoxville to Denver, returning Tue, Jun 10, priced at $335 found 4 days ago