Denver to Phoenix DEN → PHX
Denver International Airport (DEN) → Phoenix Sky Harbor International Airport (PHX)
The cheapest one-way found recently is $50 with Frontier Airlines, 1 Feb 2027, found yesterday.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $51 to $85.
Cheapest one-way found recently
$50
1 Feb 2027 · Frontier Airlines
Denver International Airport (DEN) → Phoenix Sky Harbor International Airport (PHX)
Leaves 3:45 p.m. · 1 h 58 min trip
nonstop
found yesterday
Cheapest nonstop one-way
$50
1 Feb 2027 · Frontier Airlines
Denver International Airport (DEN) → Phoenix Sky Harbor International Airport (PHX)
Leaves 3:45 p.m. · 1 h 58 min trip
nonstop
found yesterday
Found recently, and the cheapest we hold
$50 1 Feb 2027found yesterdayOpen this trip
$42 1 Feb 2027found 3 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $42 to $118.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 28 Oct to 1 Feb 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 1 Feb 2027 to compare.
Every date we hold
4 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 28 Oct | $110 | Frontier Airlines | Denver International Airport (DEN) → Phoenix Sky Harbor International Airport (PHX) | nonstop | found 6 days ago | Open this trip |
| 1 Dec | $59 | Frontier Airlines | Denver International Airport (DEN) → Phoenix Sky Harbor International Airport (PHX) | nonstop | found yesterday | Open this trip |
| 1 Feb 2027 | $42 | Frontier Airlines | Denver International Airport (DEN) → Phoenix Sky Harbor International Airport (PHX) | nonstop | found 3 days ago | Open this trip |
Which month looks cheapest?
February 2027 is the cheapest month — from $42.
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Denver to Phoenix
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 1 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Denver to Phoenix?
One-way
Fares 90 to 179 days before departure were typically 62% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $139 | $137 | +165% | 13 |
| 7–13 days | $106 | $93 | +102% | 25 |
| 14–29 days | $112 | $93 | +113% | 12 |
| 60–89 days | $77 | $77 | +47% | 8 |
| 90–179 days | $53 | $42 | Cheapest seen | 14 |
| 180+ days | $157 | $157 | +199% | 8 |
Live price for these dates
The cheapest one-way found recently is for 1 Feb 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work