$490 Cheap Frontier Airlines flights Knoxville (TYS) to Phoenix (PHX)

$490 Cheap Frontier Airlines flights Knoxville (TYS) to Phoenix (PHX)

Prices were available within the past 7 days and start at $490 for one-way flights and $326 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 18 - Sun, Sep 28

TYS

Knoxville

PHX

Phoenix

$326 Roundtrip, found 1 day ago

$326

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Sep 18 from Knoxville to Phoenix, returning Sun, Sep 28, priced at $326 found 1 day ago

Thu, Sep 18 - Wed, Sep 24

TYS

Knoxville

PHX

Phoenix

$361 Roundtrip, found 1 day ago

$361

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Sep 18 from Knoxville to Phoenix, returning Wed, Sep 24, priced at $361 found 1 day ago

Mon, Oct 20 - Thu, Oct 30

TYS

Knoxville

PHX

Phoenix

$366 Roundtrip, found 6 days ago

$366

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Oct 20 from Knoxville to Phoenix, returning Thu, Oct 30, priced at $366 found 6 days ago

Mon, Oct 20 - Fri, Oct 24

TYS

Knoxville

PHX

Phoenix

$370 Roundtrip, found 6 days ago

$370

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Oct 20 from Knoxville to Phoenix, returning Fri, Oct 24, priced at $370 found 6 days ago