Direct DEN to PHX Flights: From the Rockies to the Valley of the Sun
Cheapest flight found
$93
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: DEN → PHX
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$93
Highest Fare
$150
Median Fare
$131
Price Spread
$57
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: May 2026 (from $93)
Most expensive month: July 2026 (from $150)
Biggest price drop caught: $68 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from Denver to Phoenix range from $93 to $150, a $57 spread across the months we track. If your dates are flexible, May 2026 tends to have the lowest fares. Because prices on this route change significantly, setting up hourly price alerts gives you the best chance of catching a short-lived drop before it corrects. We have caught drops as large as $68 between hourly checks on this route.
Track this route and save
Get email alerts when DEN to PHX prices drop. We check every hour.
Start Tracking This FlightSearch this route
From
Denver (DEN)
To
Phoenix (PHX)
Airport Information
Denver (DEN)
Denver International Airport (DEN) is world-renowned for its iconic peaked roof architecture designed to mimic the snowy Rocky Mountains. As one of the largest airports in the world by land area, it serves as a primary hub for United and Frontier Airlines. The facility offers a vast array of amenities, including high-end dining, local Colorado craft breweries, and an extensive art collection. Passengers should allow extra time for security during peak hours, as the airport’s layout requires a train ride to reach the B and C gates.
Phoenix (PHX)
Phoenix Sky Harbor International Airport (PHX) is conveniently located just minutes from downtown Phoenix, serving as the primary gateway to the Valley of the Sun. As a major hub for American Airlines and a significant operation base for Southwest Airlines, it features modern terminals with excellent accessibility via the PHX Sky Train. The airport is consistently ranked highly for passenger convenience, offering travelers numerous local dining options that showcase authentic Southwestern flavors and providing quick access to the valley's comprehensive light rail system for an easy commute to Tempe or Mesa.
Frequently Asked Questions
What is the typical flight time between Denver and Phoenix?
Non-stop flights from Denver International Airport to Phoenix Sky Harbor typically take about 1 hour and 50 minutes, covering a distance of approximately 600 miles.
Which airlines offer the most frequent service on this route?
Southwest Airlines and United Airlines provide the highest frequency of daily non-stop flights, though Frontier and American also offer several daily options for travelers.
How early should I arrive at Denver International Airport?
Because DEN is one of the busiest airports in the country, it is recommended to arrive at least two hours before your scheduled departure to navigate security and the underground terminal train.
Does Phoenix have more than one commercial airport?
While Sky Harbor (PHX) is the primary hub, some regional or budget flights may utilize Phoenix-Mesa Gateway Airport (AZA), located about 30 miles southeast of the downtown area.
What is the cheapest month to fly from Denver to Phoenix?
August is generally the least expensive month to fly due to the intense summer heat in Arizona, whereas March often sees the highest fares due to Spring Training and spring break travel.
Learn More About Price Tracking
Flight Price Tracker
How Trip Manta monitors prices hourly vs Google Flights, Hopper, and Kayak.
Best Flight Price Trackers
Compare the top 7 trackers side by side — features, pricing, and check frequency.
Trip Manta vs Google Flights
How hourly tracking compares for catching short-lived price drops.
Our Methodology
How we track prices, trigger alerts, and what our data covers.
How Often Do Prices Drop?
Data study: drop frequency, average savings, and how long drops last.
Flight Price Alerts
Get email alerts when DEN to PHX prices drop — free.