Cheap flights from Denver to Phoenix

One-way fares from $43 · DEN → PHX · prices found by travellers in the last 48 hours

Cheapest fare
$43

Frontier Airlines · Tue, Feb 23

Cheapest month
February

from $43

Direct flights
Yes

Frontier Airlines

Flight time
2h 00m

940 km

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Cheapest month to fly from Denver to Phoenix

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $95
  2. February 2027 Cheapest $43

Cheapest dates in February 2027

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart18:31 Tue, Feb 23DEN → PHX 2h 02m · Direct
$43one way, per person
View deal
See every date in February 2027 →

Plan the rest of your trip to Phoenix

Where to stay, what to do and getting around, from our travel partners.

About flights from Denver to Phoenix

Denver (DEN) and Phoenix (PHX) are about 940 km apart. Direct flights take around 2h 00m, and recent direct fares were with Frontier Airlines. Over the next few months, one-way fares start from $43, and February 2027 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 Denver to Phoenix?

The cheapest one-way fare we've seen recently is $43 with Frontier Airlines, departing Tuesday, February 23, 2027. Over the coming months, the lowest fare in each month ranges from $43 to $95.

What is the cheapest month to fly from Denver to Phoenix?

February 2027 currently has the lowest fares, from $43 one way.

Are there direct flights from Denver to Phoenix?

Yes. Recent direct fares were with Frontier Airlines.

How long is the flight from Denver to Phoenix?

A direct flight takes about 2h 00m. Denver and Phoenix are around 940 km apart.

Which airlines fly from Denver to Phoenix?

Recent fares on this route were with Frontier Airlines.

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