$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 $178 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 10 - Fri, Jun 26

TYS

Knoxville

DEN

Denver

$178 Roundtrip, found 16 hours ago

$178

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Wed, Jun 10 from Knoxville to Denver, returning Fri, Jun 26, priced at $178 found 16 hours ago

Wed, Jun 10 - Mon, Jun 22

TYS

Knoxville

DEN

Denver

$193 Roundtrip, found 4 days ago

$193

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Jun 10 from Knoxville to Denver, returning Mon, Jun 22, priced at $193 found 4 days ago

Fri, Jun 12 - Fri, Jun 26

TYS

Knoxville

DEN

Denver

$198 Roundtrip, found 4 days ago

$198

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jun 12 from Knoxville to Denver, returning Fri, Jun 26, priced at $198 found 4 days ago

Wed, Jul 1 - Fri, Jul 17

TYS

Knoxville

DEN

Denver

$213 Roundtrip, found 3 days ago

$213

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jul 1 from Knoxville to Denver, returning Fri, Jul 17, priced at $213 found 3 days ago

Wed, Jul 1 - Mon, Jul 20

TYS

Knoxville

DEN

Denver

$214 Roundtrip, found 6 days ago

$214

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jul 1 from Knoxville to Denver, returning Mon, Jul 20, priced at $214 found 6 days ago

Fri, Jun 12 - Mon, Jun 22

TYS

Knoxville

DEN

Denver

$218 Roundtrip, found 4 days ago

$218

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jun 12 from Knoxville to Denver, returning Mon, Jun 22, priced at $218 found 4 days ago