Cheap Flights from Denver International to Phoenix Sky Harbor

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Flight deals from Denver International to Phoenix Sky Harbor

Looking for a cheap last-minute deal or the best return flight from Denver International to Phoenix Sky Harbor? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver International to Phoenix Sky Harbor

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

Direct flights from Denver International to Phoenix Sky Harbor

Denver International to Phoenix Sky Harbor: Alternative routes

Compare routes from Denver International to Phoenix below. You may find an airport to fly into that's cheaper, faster, or easier than Phoenix Sky Harbor.

Denver to Phoenix: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 1,950
Cheapest month to flyAugust
Average flight time2 hrs
Most popular airlineSouthwest Airlines
Average flights per week312

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

The best price we found for a return flight from Denver International to Phoenix Sky Harbor is ج.م.‏ 3,901. 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 Sky Harbor.
Southwest Airlines, American Airlines and Alaska Airlines fly direct from Denver International to Phoenix Sky Harbor.
As of May 2025, there are 312 flights per week flying from Denver International to Phoenix Sky Harbor.
The cheapest month to fly from Denver International to Phoenix Sky Harbor is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Phoenix Sky Harbor Airport on Tuesday, 17 June 2025.
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 Sky Harbor 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.
Currently, Frontier Airlines offers the cheapest flight tickets to Phoenix Sky Harbor.

Flying from Denver International Airport (DEN) to Phoenix Sky Harbour International Airport (PHX): what you need to know

  • The average length of a direct flight from Denver International Airport to Phoenix Sky Harbour International Airport is 2 hours.

  • The timezone in Phoenix is UTC-7, which is one hour behind Denver.

  • Choose from 199 weekly Denver International Airport to Phoenix Sky Harbour International Airport flights. The 05:01 departure with Frontier Airlines is the earliest you can take. Frontier Airlines operates the latest service of the day at 23:30.

  • Your DEN to PHX flight won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months like July, it's best to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during a peak period in general.

  • You'll find a variety of airlines operating direct flights from Denver International Airport to Phoenix Sky Harbour International Airport. When you're ready to kick off your Phoenix adventure, let one of these carriers fly you to this must-see part of United States:

  • The airline most travellers fly with on this route is American Airlines.

  • American Airlines is the most punctual carrier that offers DEN to PHX flights. A dependable 87.44% of its services on this route arrive as scheduled.

  • We make it easy to book a flight with a stopover. To see all your options for tickets from Denver International Airport to Phoenix Sky Harbour International Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to tour your chosen city. Some great stopovers between DEN and PHX include:

    • Albuquerque International Sunport Airport

    • Colorado Springs Municipal Airport

    • Grand Junction Regional Airport

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

  • At the moment, ج.م.‏ 1,950 is the cheapest price we've found for a one-way Denver International Airport to Phoenix Sky Harbour International Airport flight. The best price for a return plane ticket is ج.م.‏ 3,889. Keep in mind that fares could change due to demand at the time of booking.

  • To pick up cheap tickets from DEN to PHX, book your trip seven months before your departure date.

  • The cheapest month for flights from Denver International Airport to Phoenix Sky Harbour International Airport is June. Use the 'Whole month' tool to see the lowest prices if you have flexible dates.

  • There's no need to check every day to find out if fares have gone down when you create a Price Alert. We'll notify you as soon as there's a change in price on cheap flights from DEN to PHX.

  • Discover the right flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Denver International Airport to Phoenix Sky Harbour International Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about Denver International Airport (DEN)

  • DEN is located at 8500 Pena Boulevard.

  • Denver International Airport maintains a strong on-time record, making delays less likely. Departures from DEN arrive on schedule 80.23% of the time.

  • Central Denver to Denver International Airport is around 40 kilometres. Depending on traffic, it'll take about 35 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Planning to take public transport? Expect a trip time of around 1 hour 30 minutes.

  • Need a hotel to stay in before your flight from Denver International Airport to Phoenix Sky Harbour International Airport? Check out Baymont by Wyndham Denver International Airport. Enjoy a good night's sleep here before heading to DEN.

Arriving at Phoenix Sky Harbour International Airport (PHX)

Getting from Phoenix Sky Harbour International Airport (PHX) to central Phoenix

  • You'll find PHX at 3400 Sky Harbour Boulevard.

  • Phoenix Sky Harbour International Airport to central Phoenix has a drive time of about 10 minutes. It's approximately 8 kilometres away.

  • Travelling to the centre on public transport takes around 35 minutes.

When to fly to Phoenix Sky Harbour International Airport (PHX)

  • The quietest month for a flight from Denver International Airport to Phoenix Sky Harbour International Airport is May, while July is the most popular. Choose the ideal time to go to Phoenix based on whether you prefer a faster pace or a more relaxed vibe.

  • Book your flight from Denver International Airport to Phoenix Sky Harbour International Airport for July if you want to visit Phoenix during its warmest month. You can expect temperatures of between 26ºC and 44ºC.

  • January sees average temperatures of between 4ºC and 20ºC. Search for cheap tickets from DEN to PHX sometime then if you'd rather travel in cooler conditions.

Explore more of United States

  • San Diego is just one of the many places in United States waiting to be explored once you've taken in the sights of Phoenix. Around 483 kilometres away to the west, well-known attractions include San Diego Zoo, USS Midway Museum and SeaWorld San Diego.

  • Las Vegas is another standout destination in United States and is around 418 kilometres north-west of Phoenix. No trip is complete without experiencing Las Vegas Strip, Fountains of Bellagio and Fremont Street Experience.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.