Flights from Knoxville

Cheapest flights from Knoxville

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 1 - Wed, Jul 8

DSM

Des Moines Intl.

DEN

Denver Intl.

$175 Roundtrip, found 5 days ago

$175

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Jul 1 from Des Moines Intl. to Denver Intl., returning Wed, Jul 8, priced at $175 found 5 days ago

Fri, Jul 3 - Wed, Jul 8

DSM

Des Moines Intl.

DEN

Denver Intl.

$177 Roundtrip, found 5 days ago

$177

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, Jul 3 from Des Moines Intl. to Denver Intl., returning Wed, Jul 8, priced at $177 found 5 days ago

Wed, Jul 22 - Tue, Jul 28

DSM

Des Moines Intl.

DEN

Denver Intl.

$218 Roundtrip, found 6 days ago

$218

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jul 22 from Des Moines Intl. to Denver Intl., returning Tue, Jul 28, priced at $218 found 6 days ago

Wed, Aug 26 - Tue, Sep 1

DSM

Des Moines Intl.

MCO

Orlando Intl.

$220 Roundtrip, found 2 days ago

$220

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Aug 26 from Des Moines Intl. to Orlando Intl., returning Tue, Sep 1, priced at $220 found 2 days ago

Wed, Jul 1 - Mon, Jul 6

DSM

Des Moines Intl.

DEN

Denver Intl.

$221 Roundtrip, found 5 days ago

$221

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Jul 1 from Des Moines Intl. to Denver Intl., returning Mon, Jul 6, priced at $221 found 5 days ago

Fri, Jul 3 - Mon, Jul 6

DSM

Des Moines Intl.

DEN

Denver Intl.

$223 Roundtrip, found 5 days ago

$223

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, Jul 3 from Des Moines Intl. to Denver Intl., returning Mon, Jul 6, priced at $223 found 5 days ago

Fri, Jul 17 - Wed, Jul 22

DSM

Des Moines Intl.

DEN

Denver Intl.

$227 Roundtrip, found 6 days ago

$227

Roundtrip

found 6 days ago

Select American Airlines flight, departing Fri, Jul 17 from Des Moines Intl. to Denver Intl., returning Wed, Jul 22, priced at $227 found 6 days ago

Mon, Aug 24 - Tue, Sep 1

DSM

Des Moines Intl.

MCO

Orlando Intl.

$243 Roundtrip, found 2 days ago

$243

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Aug 24 from Des Moines Intl. to Orlando Intl., returning Tue, Sep 1, priced at $243 found 2 days ago

Mon, Jun 29 - Wed, Jul 8

DSM

Des Moines Intl.

DEN

Denver Intl.

$244 Roundtrip, found 5 days ago

$244

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jun 29 from Des Moines Intl. to Denver Intl., returning Wed, Jul 8, priced at $244 found 5 days ago

Wed, Oct 14 - Thu, Oct 29

DSM

Des Moines Intl.

PHX

Sky Harbor Intl.

$244 Roundtrip, found 5 days ago

$244

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Oct 14 from Des Moines Intl. to Sky Harbor Intl., returning Thu, Oct 29, priced at $244 found 5 days ago

Wed, Jul 22 - Tue, Jul 28

DSM

Des Moines Intl.

DEN

Denver Intl.

$247 Roundtrip, found 6 days ago

$247

Roundtrip

found 6 days ago

Select Southwest Airlines flight, departing Wed, Jul 22 from Des Moines Intl. to Denver Intl., returning Tue, Jul 28, priced at $247 found 6 days ago

Wed, Jul 22 - Tue, Jul 28

DSM

Des Moines Intl.

DEN

Denver Intl.

$247 Roundtrip, found 6 days ago

$247

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jul 22 from Des Moines Intl. to Denver Intl., returning Tue, Jul 28, priced at $247 found 6 days ago

Wed, Oct 21 - Thu, Nov 5

DSM

Des Moines Intl.

PHX

Sky Harbor Intl.

$249 Roundtrip, found 5 days ago

$249

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Oct 21 from Des Moines Intl. to Sky Harbor Intl., returning Thu, Nov 5, priced at $249 found 5 days ago

Wed, Oct 14 - Fri, Oct 23

DSM

Des Moines Intl.

PHX

Sky Harbor Intl.

$250 Roundtrip, found 5 days ago

$250

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Oct 14 from Des Moines Intl. to Sky Harbor Intl., returning Fri, Oct 23, priced at $250 found 5 days ago

Wed, Jul 22 - Tue, Jul 28

DSM

Des Moines Intl.

DEN

Denver Intl.

$267 Roundtrip, found 6 days ago

$267

Roundtrip

found 6 days ago

Select American Airlines flight, departing Wed, Jul 22 from Des Moines Intl. to Denver Intl., returning Tue, Jul 28, priced at $267 found 6 days ago

Wed, Jul 15 - Wed, Aug 5

DSM

Des Moines Intl.

LAS

Harry Reid Intl.

$267 Roundtrip, found 1 day ago

$267

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 15 from Des Moines Intl. to Harry Reid Intl., returning Wed, Aug 5, priced at $267 found 1 day ago

Tue, Jun 30 - Wed, Jul 8

DSM

Des Moines Intl.

DEN

Denver Intl.

$274 Roundtrip, found 5 days ago

$274

Roundtrip

found 5 days ago

Select Delta flight, departing Tue, Jun 30 from Des Moines Intl. to Denver Intl., returning Wed, Jul 8, priced at $274 found 5 days ago

Fri, Sep 11 - Fri, Sep 18

DSM

Des Moines Intl.

DFW

Dallas-Fort Worth Intl.

$288 Roundtrip, found 4 days ago

$288

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Sep 11 from Des Moines Intl. to Dallas-Fort Worth Intl., returning Fri, Sep 18, priced at $288 found 4 days ago

Tue, Oct 27 - Sun, Nov 1

DSM

Des Moines Intl.

TPA

Tampa Intl.

$332 Roundtrip, found 5 days ago

$332

Roundtrip

found 5 days ago

Select United flight, departing Tue, Oct 27 from Des Moines Intl. to Tampa Intl., returning Sun, Nov 1, priced at $332 found 5 days ago

Tue, Sep 15 - Wed, Sep 16

DSM

Des Moines Intl.

DAL

Love Field

$339 Roundtrip, found 4 days ago

$339

Roundtrip

found 4 days ago

Select Southwest Airlines flight, departing Tue, Sep 15 from Des Moines Intl. to Love Field, returning Wed, Sep 16, priced at $339 found 4 days ago