$74 Cheap Frontier Airlines flights Knoxville (TYS) to Denver (DEN)

$74 Cheap Frontier Airlines flights Knoxville (TYS) to Denver (DEN)

Prices were available within the past 7 days and start at $74 for one-way flights and $129 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 13 - Sun, Nov 16

TYS

Knoxville

DEN

Denver

$129 Roundtrip, found 3 hours ago

$129

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Thu, Nov 13 from Knoxville to Denver, returning Sun, Nov 16, priced at $129 found 3 hours ago

Thu, Nov 13 - Sun, Nov 16

TYS

Knoxville

DEN

Denver

$193 Roundtrip, found 3 hours ago

$193

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Thu, Nov 13 from Knoxville to Denver, returning Sun, Nov 16, priced at $193 found 3 hours ago

Sun, Nov 9 - Sun, Nov 16

TYS

Knoxville

DEN

Denver

$256 Roundtrip, found 1 day ago

$256

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Nov 9 from Knoxville to Denver, returning Sun, Nov 16, priced at $256 found 1 day ago

Sun, Nov 9 - Thu, Nov 13

TYS

Knoxville

DEN

Denver

$267 Roundtrip, found 1 day ago

$267

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Nov 9 from Knoxville to Denver, returning Thu, Nov 13, priced at $267 found 1 day ago