$86 Cheap Frontier Airlines flights Knoxville (TYS) to Denver (DEN)

$86 Cheap Frontier Airlines flights Knoxville (TYS) to Denver (DEN)

Prices were available within the past 7 days and start at $86 for one-way flights and $172 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 19 - Thu, Mar 5

TYS

Knoxville

DEN

Denver

$172 Roundtrip, found 1 day ago

$172

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Feb 19 from Knoxville to Denver, returning Thu, Mar 5, priced at $172 found 1 day ago

Thu, Feb 19 - Sun, Mar 1

TYS

Knoxville

DEN

Denver

$202 Roundtrip, found 1 day ago

$202

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Feb 19 from Knoxville to Denver, returning Sun, Mar 1, priced at $202 found 1 day ago

Sun, Feb 15 - Thu, Mar 5

TYS

Knoxville

DEN

Denver

$246 Roundtrip, found 1 day ago

$246

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Feb 15 from Knoxville to Denver, returning Thu, Mar 5, priced at $246 found 1 day ago

Sun, Feb 15 - Sun, Mar 1

TYS

Knoxville

DEN

Denver

$276 Roundtrip, found 1 day ago

$276

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Feb 15 from Knoxville to Denver, returning Sun, Mar 1, priced at $276 found 1 day ago