Route Price Intelligence
Cheap Flights From Phoenix to Denver
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Frontier is flying Phoenix to Denver nonstop for just $98 round trip, usually around $256, a 62% discount. Availability is open over the next several months, making this an easy, low-cost way to reach the Rockies for a quick mountain trip or to connect onward through one of the West's busiest hubs.
✓ 7 date combinations found at this price
Search Google FlightsMonthly Price Guide
Best Time to Fly from Phoenix to Denver
The cheapest time to fly from Phoenix to Denver is typically September, when fares average around $100. The most expensive month tends to be April at around $276. For the best deals, consider flying in September, October, August.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route