Frontier AirlinesDepart12:01
Thu, Nov 26PHX → DEN
1h 47m · Direct
$27one way, per person
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- Cheapest fare
- $27
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 1h 47m
Frontier Airlines · Thu, Nov 26
from $27
Frontier Airlines
940 km
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Cheapest month to fly from Phoenix to Denver
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
See every date in November 2026 →Plan the rest of your trip to Denver
Where to stay, what to do and getting around, from our travel partners.
About flights from Phoenix to Denver
Phoenix (PHX) and Denver (DEN) are about 940 km apart. Direct flights take around 1h 47m, and recent direct fares were with Frontier Airlines. Over the next few months, one-way fares start from $27, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Phoenix to Denver?
The cheapest one-way fare we've seen recently is $27 with Frontier Airlines, departing Thursday, November 26, 2026. Over the coming months, the lowest fare in each month ranges from $27 to $64.
What is the cheapest month to fly from Phoenix to Denver?
November 2026 currently has the lowest fares, from $27 one way.
Are there direct flights from Phoenix to Denver?
Yes. Recent direct fares were with Frontier Airlines.
How long is the flight from Phoenix to Denver?
A direct flight takes about 1h 47m. Phoenix and Denver are around 940 km apart.
Which airlines fly from Phoenix to Denver?
Recent fares on this route were with Frontier Airlines.
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