◊Applies to online airline ticket bookings from one (1) traveler up to three (3) travelers Offer expires Jun 30, 2020. ◊ Learn more
Price Match Promise

Find our lowest price to destinations worldwide, guaranteed

Easy Booking

Search, select and save - the fastest way to book your trip

24/7 Customer Care

Get award-winning service and special deals by calling

Fly with Frontier Airlines from Denver to Phoenix

Find great value on Frontier Airlines flights from DEN to PHX with CheapOair! Travel the world for less with our DEN to PHX airfare deals and arrive in your destination of choice without compromising style and comfort for price. Visit the Arizona Space Center, the Pueblo Grande Museum and Archaeological Park and the Phoenix Art Museum in Phoenix. While in the capital of Arizona, treat yourself to a relaxing day at the Arizona Grand Spa, enjoy a round of gold at the Arizona Grand Golf Course or indulge in shopping or dining in award-winning restaurants.

We provide a wide selection of deals that will meet your needs and budget, as well as travel guides and tips like the boarding pass above to help you inform your travel on flights from Denver to Phoenix by Frontier Airlines. Book with CheapOair today and save big on your upcoming trip!

Denver Traveler's Reviews

  My trip
Overall a great trip! Will use this app again
- Tracy  Feb 25, 2020

Submit Denver Review

Phoenix Traveler's Reviews

  Visit to Phoenix
I had a very pleasant experience both ways from Michigan to Phoenix!
- Carol  Mar 15, 2020

Submit Phoenix Review