$39 Cheap Frontier Airlines flights Phoenix (PHX) to Denver (DEN)

$39 Cheap Frontier Airlines flights Phoenix (PHX) to Denver (DEN)

Prices were available within the past 7 days and start at $39 for one-way flights and $90 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 5 - Wed, May 6

PHX

Phoenix

DEN

Denver

$90 Roundtrip, found 19 hours ago

$90

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Tue, May 5 from Phoenix to Denver, returning Wed, May 6, priced at $90 found 19 hours ago

Wed, May 6 - Sat, May 9

PHX

Phoenix

DEN

Denver

$94 Roundtrip, found 19 hours ago

$94

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Wed, May 6 from Phoenix to Denver, returning Sat, May 9, priced at $94 found 19 hours ago

Tue, Apr 14 - Wed, Apr 15

PHX

Phoenix

DEN

Denver

$109 Roundtrip, found 1 day ago

$109

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Apr 14 from Phoenix to Denver, returning Wed, Apr 15, priced at $109 found 1 day ago

Wed, May 6 - Thu, May 7

PHX

Phoenix

DEN

Denver

$114 Roundtrip, found 19 hours ago

$114

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Wed, May 6 from Phoenix to Denver, returning Thu, May 7, priced at $114 found 19 hours ago

Thu, May 7 - Sat, May 9

PHX

Phoenix

DEN

Denver

$118 Roundtrip, found 19 hours ago

$118

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Thu, May 7 from Phoenix to Denver, returning Sat, May 9, priced at $118 found 19 hours ago

Sat, May 9 - Tue, May 12

PHX

Phoenix

DEN

Denver

$120 Roundtrip, found 19 hours ago

$120

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Sat, May 9 from Phoenix to Denver, returning Tue, May 12, priced at $120 found 19 hours ago