$64 Cheap Frontier Airlines flights Phoenix (PHX) to Denver (DEN)

$64 Cheap Frontier Airlines flights Phoenix (PHX) to Denver (DEN)

Prices were available within the past 7 days and start at $64 for one-way flights and $139 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 16 - Tue, Jul 22

PHX

Phoenix

DEN

Denver

$139 Roundtrip, found 3 days ago

$139

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jul 16 from Phoenix to Denver, returning Tue, Jul 22, priced at $139 found 3 days ago

Sat, Jul 19 - Mon, Jul 28

PHX

Phoenix

DEN

Denver

$142 Roundtrip, found 18 hours ago

$142

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Phoenix to Denver, returning Mon, Jul 28, priced at $142 found 18 hours ago

Wed, Jul 30 - Mon, Aug 18

PHX

Phoenix

DEN

Denver

$153 Roundtrip, just found

$153

Roundtrip

just found

Select Frontier Airlines flight, departing Wed, Jul 30 from Phoenix to Denver, returning Mon, Aug 18, priced at $153 just found

Sat, Jul 19 - Mon, Jul 28

PHX

Phoenix

DEN

Denver

$154 Roundtrip, found 18 hours ago

$154

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Phoenix to Denver, returning Mon, Jul 28, priced at $154 found 18 hours ago

Wed, Jul 30 - Mon, Aug 18

PHX

Phoenix

DEN

Denver

$158 Roundtrip, just found

$158

Roundtrip

just found

Select Frontier Airlines flight, departing Wed, Jul 30 from Phoenix to Denver, returning Mon, Aug 18, priced at $158 just found

Sat, Jul 19 - Mon, Jul 28

PHX

Phoenix

DEN

Denver

$159 Roundtrip, found 18 hours ago

$159

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Phoenix to Denver, returning Mon, Jul 28, priced at $159 found 18 hours ago