AirHint found the following cheapest one-way flights from Denver (DEN) to Phoenix (PHX) in August 2026 (see full year).
One-Way flights
| 26 Aug | Alaska Airlines | ||
| 26 Aug | Southwest Airlines | direct | |
| 23 Aug | Alaska Airlines | ||
| 23 Aug | Southwest Airlines | direct |
Also check the deals for return flights from Denver to Phoenix in August.
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