$77 Cheap Frontier Airlines flights Denver (DEN) to Knoxville (TYS)

$77 Cheap Frontier Airlines flights Denver (DEN) to Knoxville (TYS)

Prices were available within the past 7 days and start at $77 for one-way flights and $215 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jun 12 - Sun, Jun 15

DEN

Denver

TYS

Knoxville

$215 Roundtrip, found 1 day ago

$215

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jun 12 from Denver to Knoxville, returning Sun, Jun 15, priced at $215 found 1 day ago

Sun, Jun 15 - Sun, Jun 22

DEN

Denver

TYS

Knoxville

$220 Roundtrip, found 5 days ago

$220

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, Jun 15 from Denver to Knoxville, returning Sun, Jun 22, priced at $220 found 5 days ago

Sun, Jun 15 - Thu, Jun 19

DEN

Denver

TYS

Knoxville

$230 Roundtrip, found 5 days ago

$230

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, Jun 15 from Denver to Knoxville, returning Thu, Jun 19, priced at $230 found 5 days ago

Thu, Jun 12 - Thu, Jun 19

DEN

Denver

TYS

Knoxville

$235 Roundtrip, found 1 day ago

$235

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jun 12 from Denver to Knoxville, returning Thu, Jun 19, priced at $235 found 1 day ago

Thu, Jun 19 - Sun, Jun 22

DEN

Denver

TYS

Knoxville

$246 Roundtrip, found 5 days ago

$246

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Jun 19 from Denver to Knoxville, returning Sun, Jun 22, priced at $246 found 5 days ago

Sun, Jul 6 - Mon, Jul 7

DEN

Denver

TYS

Knoxville

$360 Roundtrip, found 2 days ago

$360

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Jul 6 from Denver to Knoxville, returning Mon, Jul 7, priced at $360 found 2 days ago

Sun, Jul 6 - Mon, Jul 7

DEN

Denver

TYS

Knoxville

$390 Roundtrip, found 2 days ago

$390

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Jul 6 from Denver to Knoxville, returning Mon, Jul 7, priced at $390 found 2 days ago