$69 Cheap Flights from Denver (DEN) to Phoenix (PHX)

View $69 flight on Tue, Oct 7, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Phoenix Sky Harbor Intl. Airport (PHX)

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Cheap Flights from Denver to Phoenix (DEN-PHX)

Prices were available within the past 7 days and start at $69 for one-way flights and $119 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Oct 29 - Sat, Nov 1
DEN
Denver
PHX
Phoenix
$119 Roundtrip, found 1 hour ago
$119
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Oct 29 from Denver to Phoenix, returning Sat, Nov 1, priced at $119 found 1 hour ago
Frontier Airlines
Sat, Oct 11 - Sat, Oct 18
DEN
Denver
PHX
Phoenix
$119 Roundtrip, found 1 day ago
$119
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Oct 11 from Denver to Phoenix, returning Sat, Oct 18, priced at $119 found 1 day ago
Frontier Airlines
Wed, Sep 3 - Mon, Sep 8
DEN
Denver
PHX
Phoenix
$124 Roundtrip, just found
$124
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Sep 3 from Denver to Phoenix, returning Mon, Sep 8, priced at $124 just found
Frontier Airlines
Thu, Oct 30 - Mon, Nov 3
DEN
Denver
PHX
Phoenix
$128 Roundtrip, found 1 day ago
$128
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Oct 30 from Denver to Phoenix, returning Mon, Nov 3, priced at $128 found 1 day ago
Frontier Airlines
Wed, Aug 27 - Mon, Oct 20
DEN
Denver
PHX
Phoenix
$133 Roundtrip, found 2 days ago
$133
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Aug 27 from Denver to Phoenix, returning Mon, Oct 20, priced at $133 found 2 days ago
United
Wed, Nov 5 - Tue, Nov 11
DEN
Denver
PHX
Phoenix
$137 Roundtrip, found 2 hours ago
$137
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Nov 5 from Denver to Phoenix, returning Tue, Nov 11, priced at $137 found 2 hours ago
Southwest Airlines
Wed, Oct 29 - Sat, Nov 1
DEN
Denver
PHX
Phoenix
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Oct 29 from Denver to Phoenix, returning Sat, Nov 1, priced at $137 found 1 hour ago
Frontier Airlines
Wed, Aug 27 - Mon, Sep 1
DEN
Denver
PHX
Phoenix
$138 Roundtrip, found 1 hour ago
$138
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Aug 27 from Denver to Phoenix, returning Mon, Sep 1, priced at $138 found 1 hour ago
American Airlines
Mon, Aug 11 - Wed, Aug 13
DEN
Denver
PHX
Phoenix
$148 Roundtrip, found 4 hours ago
$148
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Mon, Aug 11 from Denver to Phoenix, returning Wed, Aug 13, priced at $148 found 4 hours ago
Alaska Airlines
Wed, Oct 29 - Sat, Nov 1
DEN
Denver
PHX
Phoenix
$156 Roundtrip, found 1 hour ago
$156
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, Oct 29 from Denver to Phoenix, returning Sat, Nov 1, priced at $156 found 1 hour ago

Find the cheapest month to fly from Denver (DEN) to Phoenix (PHX)

August is typically the cheapest month to fly

From $48 - $118 per traveler.

Graph displaying average flight prices per month

0
Flights from Denver (DEN) to Phoenix (PHX)
Origin airport
Denver Intl.
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Contour Airlines, Delta, Frontier Airlines, KEY LIME AIR DBA DENVER AIR CONNECTION, Southwest Airlines, United
Roundtrip price
$82
Distance
601 mi

Denver to Phoenix Flights

The cheapest times to fly from Denver to Phoenix

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Phoenix are during the month of October. You can find some of the cheapest flights from Denver to Phoenix with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Phoenix

Sunday is one of the best days to book for cheap flights from Denver to Phoenix: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Phoenix

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Phoenix in 2025. You can also book with separate airlines for your outbound and return journeys, from $69 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Phoenix flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Phoenix airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Sky Harbor Intl. Airport (PHX) cost?
Book cheap return tickets starting from $83 from Denver Intl. Airport (DEN) to Sky Harbor Intl. Airport (PHX). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving DEN on July 29 2025 and touching down at PHX. The price was last updated on July 3 2025 and has not changed since.
What is the cheapest month to fly from DEN to PHX?
The cheapest flights from DEN to PHX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Denver Intl. Airport (DEN) to Sky Harbor Intl. Airport (PHX)?
Skip the stopovers and travel nonstop to Sky Harbor Intl. Airport (PHX) from Denver Intl. Airport (DEN) with 4 airlines, including:

  • Southwest Airlines
  • United Airlines
  • Frontier Airlines

What is the cheapest airline that flies from DEN to PHX?
With prices starting from $44 for a one-way journey from DEN to PHX, Frontier Airlines is currently the cheapest carrier on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on September 27 2025. Prices were last updated on July 3 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Sky Harbor Intl. Airport (PHX)?
Each day on average, 26 nonstop flights take off from Denver Intl. Airport (DEN) to Sky Harbor Intl. Airport (PHX). Choose the departure that best suits your plans.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Sky Harbor Intl. Airport (PHX)?
The 11 AM departures from DEN to PHX see the highest demand. Greater demand means you'll likely pay more for these departures. If you're hoping to save money, book during off-peak hours.
What day of the week has the most flights from DEN to PHX?
If you travel on a Sunday, you'll get the largest range of choices for flights from Denver Intl. Airport (DEN) to Sky Harbor Intl. Airport (PHX).
What is the earliest flight from Denver Intl. Airport (DEN) to Sky Harbor Intl. Airport (PHX)?
Catch the earliest flight at around 5:45AM UTC-7, leaving from Denver Intl. Airport (DEN). You'll be flying for roughly 2h 9m, landing at Sky Harbor Intl. Airport (PHX) at approximately 7:54AM UTC-7.
How long does it take to fly from Denver Intl. Airport (DEN) to Sky Harbor Intl. Airport (PHX)?
It takes approximately 2 hours and 6 minutes to fly the 600 mi from DEN to PHX.
What airline has the least delays from DEN to PHX?
Consider traveling with Alaska Airlines if you'd like to go straight from Denver Intl. Airport (DEN) to Sky Harbor Intl. Airport (PHX) without any delays. This airline has the strongest track record for punctuality, with an on-time performance of 96%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Denver Intl. Airport (DEN) to Sky Harbor Intl. Airport (PHX)?
To reach Sky Harbor Intl. Airport (PHX) without delays, choose a flight that leaves Denver Intl. Airport (DEN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Phoenix from Denver Intl. Airport (DEN)?
Browse your flight options from Denver Intl. Airport (DEN) to Sky Harbor Intl. Airport (PHX). This is the only Phoenix airport you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Sky Harbor Intl. Airport (PHX) last-minute?
Last-minute bookings from DEN to PHX are usually more expensive. To lock in the best prices, start looking for flights well ahead of time. That said, if you can play around with your travel dates, you may find a cheap fare just before your departure.
Is it cheaper to book a DEN to PHX flight and hotel package?
Compared with arranging flights and hotels separately, booking a DEN to PHX flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and select from our wide range of hotels, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Sky Harbor Intl. Airport (PHX)?
Generally, it's possible to reschedule or cancel your DEN to PHX flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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