Cheap flights from Phoenix to Denver from $133 AZA, PHX, SCF → APA, DEN
Phoenix-Mesa Gateway Airport (AZA), Phoenix Sky Harbor International Airport (PHX), Scottsdale Airport (SCF) → Centennial Airport (APA), Denver International Airport (DEN)
The cheapest return found recently is $133 with Frontier Airlines, 25 Dec – 29 Dec, found 11 hours ago. The cheapest one-way found recently is $628 with JSX Air, 20 Nov, found yesterday.
- Cheapest one-way found recently
- $628, JSX Air, found yesterday
- Cheapest return found recently
- $133, 25 Dec to 29 Dec
- Usual return price
- $137 to $210
- Cheapest month to fly
- December 2026, return fares from $133 found in the last 7 days
- Airlines with nonstop flights
- JSX Air, Frontier Airlines, American Airlines, United Airlines, Southwest Airlines
- Shortest nonstop flight found
- 1 h 45 min
Return
The cheapest return fare on each of 6 departure dates is usually $137 to $210.
Cheapest return found recently
$133
25 Dec – 29 Dec · Frontier Airlines
Phoenix Sky Harbor International Airport (PHX) → Denver International Airport (DEN)
Leaves 10:09 p.m. · Return leaves 10:29 p.m. · 3 h 51 min of travel, both ways together
out nonstop, back nonstop
found 11 hours ago
Cheapest nonstop return
$133
25 Dec – 29 Dec · Frontier Airlines
Phoenix Sky Harbor International Airport (PHX) → Denver International Airport (DEN)
Leaves 10:09 p.m. · Return leaves 10:29 p.m. · 3 h 51 min of travel, both ways together
out nonstop, back nonstop
found 11 hours ago
Found recently, and the cheapest we hold
$133 25 Dec – 29 Decfound 11 hours agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $40 to $112.
At $133, the cheapest return found recently is above that range.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 6 departure dates from 24 Nov to 26 Dec, 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?
No. We hold 4-night return fares on 1 other departure date within 3 days of 25 Dec, and it is not cheaper.
Every date we hold
54 fares on 6 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Nov – 29 Nov | $223 | Frontier Airlines | Phoenix Sky Harbor International Airport (PHX) → Denver International Airport (DEN) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 25 Nov – 29 Nov | $231 | Frontier Airlines | Phoenix Sky Harbor International Airport (PHX) → Denver International Airport (DEN) | out 1 stop, back nonstop | found 4 days ago | See prices for these dates |
| 10 Dec – 17 Dec | $138 | Frontier Airlines | Phoenix Sky Harbor International Airport (PHX) → Denver International Airport (DEN) | out nonstop, back nonstop | found yesterday | See prices for these dates |
| 24 Dec – 29 Dec | $136 | Frontier Airlines | Phoenix Sky Harbor International Airport (PHX) → Denver International Airport (DEN) | out nonstop, back nonstop | found today | See prices for these dates |
| 25 Dec – 29 Dec | $133 | Frontier Airlines | Phoenix Sky Harbor International Airport (PHX) → Denver International Airport (DEN) | out nonstop, back nonstop | found 11 hours ago | See prices for these dates |
| 26 Dec – 29 Dec | $171 | Frontier Airlines | Phoenix Sky Harbor International Airport (PHX) → Denver International Airport (DEN) | out nonstop, back nonstop | found today | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $133.
Airlines on the cheapest dates: Frontier Airlines.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $232 to $461.
Cheapest one-way found recently
$628
20 Nov · JSX Air
Scottsdale Airport (SCF) → Centennial Airport (APA)
Leaves 11:00 a.m. · 1 h 45 min trip
nonstop
found yesterday
Cheapest nonstop one-way
$628
20 Nov · JSX Air
Scottsdale Airport (SCF) → Centennial Airport (APA)
Leaves 11:00 a.m. · 1 h 45 min trip
nonstop
found yesterday
Found recently, and the cheapest we hold
$628 20 Novfound yesterdayOpen this trip
$171 29 Novfound 4 days agoOpen this trip
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest one-way we saw each day was $37 to $481.
At $628, the cheapest one-way found recently is above that range.
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 20 Nov to 29 Nov, 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 20 Nov to compare.
Every date we hold
5 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Nov | $628 | JSX Air | Scottsdale Airport (SCF) → Centennial Airport (APA) | nonstop | found yesterday | Open this trip |
| 26 Nov | $293 | Allegiant Air | Phoenix-Mesa Gateway Airport (AZA) → Denver International Airport (DEN) | 2 stops | found 6 days ago | Open this trip |
| 29 Nov | $171 | American Airlines | Phoenix Sky Harbor International Airport (PHX) → Denver International Airport (DEN) | nonstop | found 4 days ago | Open this trip |
Airlines on the cheapest dates: JSX Air, Allegiant Air, American Airlines.
Premium cabin fares from Phoenix to Denver
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 25 Dec – 29 Dec in another cabin: Premium economy · Business · First
Today's prices for 20 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Phoenix to Denver?
Return
Fares 14 to 29 days before departure were typically 61% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (50 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 | $221 | $106 | +153% | 18 |
| 7–13 days | $183 | $82 | +110% | 32 |
| 14–29 days | $87 | $40 | Cheapest seen | 40 |
| 30–59 days | $114 | $67 | +31% | 32 |
| 60–89 days | $155 | $149 | +78% | 19 |
| 90–179 days | $111 | $81 | +28% | 17 |
| 180+ days | $294 | $294 | +238% | 15 |
One-way
Fares 30 to 59 days before departure were typically 88% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 12 Nov (50 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 | $363 | $127 | +744% | 26 |
| 7–13 days | $312 | $109 | +626% | 32 |
| 14–29 days | $110 | $45 | +156% | 23 |
| 30–59 days | $43 | $37 | Cheapest seen | 21 |
| 60–89 days | $45 | $45 | +5% | 8 |
| 90–179 days | $123 | $123 | +186% | 8 |
| 180+ days | $157 | $157 | +265% | 10 |
Live price for these dates
The cheapest return found recently is for 25 Dec – 29 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Phoenix to Denver?
The cheapest return found recently is $133 with Frontier Airlines, 25 Dec to 29 Dec, found 11 hours ago. The cheapest return fare on each of 6 departure dates is usually $137 to $210.
How much is a one-way flight from Phoenix to Denver?
The cheapest one-way found recently is $628 with JSX Air, 20 Nov, found yesterday. The cheapest one-way we hold, of any age, is $171 with American Airlines, 29 Nov, found 4 days ago. The cheapest one-way fare on each of 3 departure dates is usually $232 to $461.
What is the cheapest month to fly from Phoenix to Denver?
December 2026 is the cheapest month for a return, from $133, 25 Dec to 29 Dec, found 11 hours ago.
How far ahead should I book a flight from Phoenix to Denver?
In 50 days of prices between 24 Sept and 12 Nov, return fares 14 to 29 days before departure were typically 61% lower than 0 to 6 days before departure. One-way fares 30 to 59 days before departure were typically 88% lower than 0 to 6 days before departure.
Is there a direct flight from Phoenix to Denver?
Yes, the cheapest nonstop return found recently is $133 with Frontier Airlines, 25 Dec to 29 Dec, found 11 hours ago. The cheapest nonstop one-way found recently is $628 with JSX Air, 20 Nov, found yesterday.
How long is the flight from Phoenix to Denver?
The cheapest nonstop one-way found recently, with JSX Air on 20 Nov, takes 1 h 45 min from Scottsdale Airport (SCF) to Centennial Airport (APA).
Which airlines have the cheapest flights from Phoenix to Denver?
Between 24 Nov and 26 Dec, Frontier Airlines has the cheapest return on all 6 departure dates we hold. Between 20 Nov and 29 Nov, JSX Air has the cheapest one-way on 1 of the 3 departure dates we hold, Allegiant Air on 1 and American Airlines on 1.
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