◊ Applies to online airline ticket bookings from one (1) traveler up to four (4) travelers Offer expires Jan 31, 2021. ◊ Learn more
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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!