$135 Cheap Frontier Airlines flights Knoxville (TYS) to Phoenix (PHX)

$135 Cheap Frontier Airlines flights Knoxville (TYS) to Phoenix (PHX)

Prices were available within the past 7 days and start at $135 for one-way flights and $270 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jun 5 - Wed, Jun 11

TYS

Knoxville

PHX

Phoenix

$270 Roundtrip, found 23 hours ago

$270

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Knoxville to Phoenix, returning Wed, Jun 11, priced at $270 found 23 hours ago

Sun, Jun 8 - Wed, Jun 11

TYS

Knoxville

PHX

Phoenix

$280 Roundtrip, found 23 hours ago

$280

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Sun, Jun 8 from Knoxville to Phoenix, returning Wed, Jun 11, priced at $280 found 23 hours ago

Thu, Jun 5 - Sat, Jun 7

TYS

Knoxville

PHX

Phoenix

$351 Roundtrip, found 23 hours ago

$351

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Knoxville to Phoenix, returning Sat, Jun 7, priced at $351 found 23 hours ago

Thu, Jun 5 - Sun, Jun 8

TYS

Knoxville

PHX

Phoenix

$369 Roundtrip, found 23 hours ago

$369

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Knoxville to Phoenix, returning Sun, Jun 8, priced at $369 found 23 hours ago

Thu, Jun 5 - Sun, Jun 8

TYS

Knoxville

PHX

Phoenix

$405 Roundtrip, found 23 hours ago

$405

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Knoxville to Phoenix, returning Sun, Jun 8, priced at $405 found 23 hours ago