Cheap flights from Denver International to Phoenix

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Flight deals from Denver International to Phoenix

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to Phoenix? If you want to travel next month, return fares start from $167. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver International to Phoenix

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Phoenix flights are currently cheapest in August.

Direct flights from Denver International to Phoenix

Alternative Denver International to Phoenix routes

Looking for the cheapest, fastest or easiest route from Denver International to Phoenix? You could fly into the following airports instead.

Denver to Phoenix: Flight information

The things to know before you go.
Cheapest flight found$42
Cheapest month to flyAugust
Average flight time2 hrs
Most popular airlineSouthwest Airlines
Average flights per week307

Finding cheap flights from Denver International to Phoenix: Frequently asked questions

There are 4 airports in Phoenix: Phoenix Sky Harbor, Phoenix Scottsdale Municipal, Phoenix-Deer Valley, and Phoenix-Mesa Gateway.
The best price we found for a return flight from Denver International to Phoenix is $85. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours is the average flight time from Denver International to Phoenix.
Southwest Airlines, American Airlines and United fly direct from Denver International to Phoenix.
As of June 2026, there are 307 flights per week flying from Denver International to Phoenix.
The cheapest month to fly from Denver International to Phoenix is usually August.
If you're flying from Denver International Airport, the cheapest airport near Phoenix is Phoenix Sky Harbor – which is 6.0 km away from the centre of Phoenix. We've found flights into this airport from $85.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Phoenix on Tuesday, 11 August 2026.
Yes – the average flight time is 2 hours.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Phoenix but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Phoenix is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 30°C. July is typically the warmest month in Phoenix, when it usually averages around 40°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 4°C. The rainiest month is August.
Currently, Frontier Airlines offers the cheapest flight tickets to Phoenix.

Travelling from Denver International Airport (DEN) to Phoenix: what you need to know

  • Approximately 1 hour 50 minutes is how long you can expect to be travelling on a direct flight from Denver International Airport to Phoenix.

  • Phoenix's timezone is UTC-7, which is the same as Denver (the location of Denver International Airport).

  • The most popular route is from Denver International Airport (DEN) to Phoenix Sky Harbour International Airport (PHX). There are 139 services every week between these two airports. If you'd like to get on your way as soon as you can, the earliest flight from DEN to PHX is the 05:20 Southwest Airlines service. If you prefer travelling later, the final departure is at 22:59 with Frontier Airlines.

  • Give yourself enough time to get on your DEN to Phoenix flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You can expect longer queues in popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a smart move.

  • Begin your journey at DEN and travel straight to Phoenix Sky Harbour International Airport (PHX). That's where you can expect to land when searching for Denver International Airport to Phoenix tickets.

  • Pick from a variety of airlines operating direct flights from Denver International Airport to Phoenix. Book your ticket with one of these:

  • Located around 31 kilometres from the centre of Denver, DEN can be reached in about 35 minutes by car, depending on traffic. The journey on public transport takes roughly 35 minutes.

  • Get your flight from Denver International Airport to Phoenix off to an easy start. Just a quick drive from DEN, spend the night at The Westin Denver International Airport and be well-rested for the trip ahead.

  • Denver International Airport gets top marks for on-time performance. 80% of flights that depart DEN arrive at their destination without delay.

  • DEN is located at 8500 Pena Boulevard.

How to find the cheapest flights from Denver International Airport (DEN) to Phoenix

  • The lowest price we've seen for a one-way Denver International Airport to Phoenix flight is $42. The cheapest price for a return flight is $85. Remember fares can change due to availability at the time of booking.

  • Get cheap flights from DEN to Phoenix by booking one month ahead. According to our research, that's the best time for finding a bargain.

  • Organise your trip for June. That's the best month for scoring an epic deal on Denver International Airport to Phoenix tickets. If your travel dates are flexible, use the 'Whole month' tool to access the cheapest price across every month.

  • You don't need to check back constantly to see if fares have dropped when you create a Price Alert. We'll let you know as soon as there's an updated deal for cheap flights from DEN to Phoenix.

  • Save on your flight from Denver International Airport to Phoenix with the help of our filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Phoenix

Phoenix Sky Harbour International Airport (PHX)

  • Phoenix Sky Harbour International Airport (PHX) to central Phoenix takes around 10 minutes by car. The centre is roughly 5 kilometres away.

  • Getting there by public transport will take you around 25 minutes.

  • Book a hotel near PHX if you're coming in on a late flight from Denver International Airport to Phoenix. Choose one of these accommodation options and make your arrival easier:

  • To get the best deal, reserve your ride from Phoenix Sky Harbour International Airport about one week ahead of your flight from DEN to Phoenix.

  • The street address for PHX is 3400 Sky Harbour Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

  • Once your flight from Denver International Airport to Phoenix has touched down, you can get to the city centre in about 30 minutes by car. Central Phoenix is roughly 32 kilometres from Phoenix-Mesa Gateway Airport (AZA).

  • If you choose to travel on public transport, the journey will take you 1 hour 15 minutes or so.

  • You'll find some great places ready to welcome you near AZA. Kick back and get cosy after your DEN to Phoenix flight at any of these well-located options:

  • Snap up a deal by reserving your ride from AZA two weeks ahead of time. You'll also have access to a greater selection of vehicles.

  • The address for Phoenix-Mesa Gateway Airport is 6033 S. Sossaman Rd..

Best time to go to Phoenix

  • It's time to work out your dates for your flight from Denver International Airport to Phoenix. March is the most popular month to travel to Phoenix. If you want a more relaxed atmosphere, go in October.

  • Lock in a Denver International Airport to Phoenix plane ticket with a departure in July if you're eager to experience the city during its warmest month. Expect temperatures to range from 27ºC (81ºF) to 45ºC (113ºF).

  • For cooler conditions, search for a cheap ticket from DEN to Phoenix in January when temperatures average between 4ºC (39ºF) and 21ºC (70ºF).

More about Phoenix

Explore more of the United States

  • You've done Phoenix, now it's time to explore more of the United States. Travel about 483 kilometres west to San Diego to tick off its leading attractions. From San Diego Zoo to San Diego Balboa Park and USS Midway Museum, you'll have a packed itinerary ahead.

  • If you're eager to discover another major stop in the United States, consider Las Vegas, roughly 418 kilometres northwest of Phoenix. Ciudad del Pecado o Las Vegas, Las Vegas Strip and Fountains of Bellagio are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.