−59%Verified fare
PHX → Denver
United States · Frontier · Nonstop
$56 round trip
Usually ~$138 · Nov 2026
Nov 19 → Nov 25 · hotels from ~$125/nightSee it on Google Flights →
59% below the usual price for November 2026 travel from Phoenix Sky Harbor.
| Route | Phoenix (PHX) → Denver (DEN), United States |
|---|---|
| Price | $56 round trip, economy, one adult |
| Usual price | About $138 (Google Flights' typical price for the same route and dates) |
| Saving | 59% below typical |
| Airline | Frontier |
| Stops | Nonstop |
| Travel month | November 2026 |
| Found | October 2026 |
We found this fare during our daily scan of flights from Phoenix Sky Harbor. It was 59% below what Google Flights considers a typical price for these dates, which is why it made our list. Round-trip fares from PHX to Denver usually cost around $138.
Southwest, United, American and Frontier fly nonstop from Phoenix to Denver. The flight takes about 1h 50m.
Nonstop airlines, cheapest months and when to book: Phoenix to Denver →
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