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

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

Prices were available within the past 7 days and start at for one-way flights and $189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 13 - Sun, Nov 2

TYS

Knoxville

DEN

Denver

$189 Roundtrip, found 15 hours ago

$189

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Oct 13 from Knoxville to Denver, returning Sun, Nov 2, priced at $189 found 15 hours ago

Mon, Oct 13 - Thu, Oct 30

TYS

Knoxville

DEN

Denver

$218 Roundtrip, found 15 hours ago

$218

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Oct 13 from Knoxville to Denver, returning Thu, Oct 30, priced at $218 found 15 hours ago

Thu, Jun 26 - Sun, Jun 29

TYS

Knoxville

DEN

Denver

$288 Roundtrip, found 6 days ago

$288

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Jun 26 from Knoxville to Denver, returning Sun, Jun 29, priced at $288 found 6 days ago

Sun, Oct 12 - Sun, Nov 2

TYS

Knoxville

DEN

Denver

$299 Roundtrip, found 15 hours ago

$299

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Sun, Oct 12 from Knoxville to Denver, returning Sun, Nov 2, priced at $299 found 15 hours ago

Sun, Oct 12 - Thu, Oct 30

TYS

Knoxville

DEN

Denver

$328 Roundtrip, found 15 hours ago

$328

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Sun, Oct 12 from Knoxville to Denver, returning Thu, Oct 30, priced at $328 found 15 hours ago