Phoenix to Denver flights
The cheapest round trip we found from Phoenix to Denver is $133 (Dec 25 – 29, Nonstop), 2% below the usual $136.
PHX to DEN · Round trip · Economy · Prices per person in USD · Price found (2 days ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $204 |
| December 2026 | $133 (cheapest month) |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 25 – 29 4 nights · leave Fri$133$133 Book
Frontier Airlines Nonstop · 1h 55m -
Dec 24 – 29 5 nights · leave Thu$136$136 Book
Frontier Airlines Nonstop · 1h 56m
-
Dec 10 – 17 7 nights · leave Thu$138$138 Book
Frontier Airlines Nonstop · 1h 56m
-
Dec 26 – 29 3 nights · leave Sat$171 +26% vs usual$171 +26% vs usual Book
Frontier Airlines Nonstop · 1h 50m
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Dec 24 – 28 4 nights · leave Thu$206 +51% vs usual$206 +51% vs usual Book
Frontier Airlines Nonstop · 1h 56m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Plan the rest of your trip
Denver · Dec 25 – 29- Car rental Economybookings · compare rental companies (opens Economybookings in a new tab)
- Things to do in Denver Klook · tours and tickets (opens Klook in a new tab)
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Good to know
More from Phoenix
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- Long Beach $200 −28%
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Flights to Denver from other cities
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- Ontario $119 −52%
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Phoenix to Denver: questions
How much does a flight from Phoenix to Denver cost?
The cheapest round trip we have found right now is $133, leaving December 25 and returning December 29. The usual price on this route is about $136, so this fare is 2% less. Prices are per person, economy, in USD.
Which airports do Phoenix to Denver flights use?
Phoenix airports include Phoenix Sky Harbor International (PHX), Phoenix-Mesa Gateway (AZA) and Scottsdale (SCF). Denver airports include Denver International (DEN) and Centennial (APA). The prices on this page cover every airport in both cities (PHX and DEN are the city codes).
About this route
We track round-trip economy fares from Phoenix (United States) to Denver (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $133, departing December 25 and returning December 29 on a nonstop flight, about 2% below the usual $136. Right now we're following 5 upcoming date combinations on this route. The cheapest month to fly in our data is December, from $133. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.