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

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

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, Jan 8 - Sun, Jan 11

DEN

Denver

TYS

Knoxville

$172 Roundtrip, found 1 day ago

$172

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jan 8 from Denver to Knoxville, returning Sun, Jan 11, priced at $172 found 1 day ago

Mon, Jan 5 - Thu, Jan 8

DEN

Denver

TYS

Knoxville

$186 Roundtrip, found 1 day ago

$186

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jan 5 from Denver to Knoxville, returning Thu, Jan 8, priced at $186 found 1 day ago

Thu, Jan 8 - Sun, Jan 11

DEN

Denver

TYS

Knoxville

$230 Roundtrip, found 1 day ago

$230

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jan 8 from Denver to Knoxville, returning Sun, Jan 11, priced at $230 found 1 day ago

Sun, Jan 4 - Thu, Jan 8

DEN

Denver

TYS

Knoxville

$251 Roundtrip, found 1 day ago

$251

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jan 4 from Denver to Knoxville, returning Thu, Jan 8, priced at $251 found 1 day ago