Phoenix Sky Harbor International (PHX) to Denver International (DEN).
| Departure | Return | Price |
|---|---|---|
| 05/28/2026 | 06/06/2026 | $112 |
| 05/29/2026 | 06/06/2026 | $112 |
| 06/06/2026 | 06/13/2026 | $112 |
| 06/09/2026 | 06/16/2026 | $112 |
| 06/09/2026 | 06/17/2026 | $112 |
| 06/10/2026 | 06/16/2026 | $112 |
| 06/10/2026 | 06/17/2026 | $112 |
| 06/13/2026 | 06/20/2026 | $112 |
| 06/16/2026 | 06/23/2026 | $112 |
| 06/16/2026 | 06/24/2026 | $112 |
Based on current fares, August is the cheapest month to fly from Phoenix to Denver, with average fares around $122 round trip (as low as $112).
May tends to be more expensive, averaging $147.
See the full month-by-month and day-of-week price analysis
Best Time to Fly PHX → DENDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Phoenix to Denver is August, with average round-trip fares around $122. Fares in August start as low as $112. The most expensive month is May, averaging $147.
A nonstop flight from Phoenix to Denver takes approximately 2h.
The cheapest flight from Phoenix to Denver currently starts at $112 round trip in economy class.
The average round-trip flight price from Phoenix to Denver is $142 in economy class.
The distance is 602 miles (969 km). with a nonstop flight time of about 2h. The lowest fare currently available is $112 departing in May. The average round-trip fare is $142.
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