Cheap Flights from Denver (APA) to Phoenix (PHX)

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Flights from Denver (APA) to Phoenix (PHX)
Origin airport
Centennial
Destination airport
Sky Harbor Intl.
Distance
580 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 . 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 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

Is it cheaper to buy a plane ticket from Centennial Airport to Sky Harbor Intl. Airport (PHX) last minute?
Booking your flight from Centennial Airport (APA) to Sky Harbor Intl. Airport (PHX) last minute could save you a nice sum if you happen to find a bargain. However, airfares usually don’t drop in price as the departure date nears. If you take a wait-and-see approach, flights could also be booked solid or the best seats gone (because no one wants the middle seat). If you want to be on the safe side, book well in advance of the date you want to leave. Note that some of the biggest deals can be found up to a year in advance. If your favorite carrier hasn’t released its fares yet, check back regularly as deals are updated on Expedia constantly.
What airports do you fly into for Phoenix from Denver?
From Denver, you can get to Phoenix through Sky Harbor Intl. Airport (PHX), Scottsdale Airport (SCF) and Chandler Municipal Airport (CHD). It’s wise to check which airport is the right option for you before making your decision. If you settle on Sky Harbor Intl. Airport (PHX), it’s roughly 4 mi east of downtown. Use the dollars you save when booking your airfare with Expedia to explore the city’s well-known attractions, such as Chase Field and Footprint Center.
Can I change the date of my flight from Centennial Airport to PHX?
It’s a piece of cake to make changes to your Centennial Airport (APA) to PHX trip yourself. Just go to the Expedia Trips portal and click on “change flight.” Search for new flights and book the one that works best. You’ll get an estimate of applicable flight change fees. You can also find your way to our Customer Service portal to connect with our Virtual Agent and get answers to your questions.

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*Available to One Key members.