Denver (DEN) to Phoenix (PHX) is about 600 miles and typically takes 1 h 45 min by air. Some carriers have hubs at both ends, which makes frequent nonstops more likely. Call (800) 490-3234 for live fares.
DEN to PHX at a glance
| Route | Denver (DEN) to Phoenix (PHX) |
|---|---|
| Distance | about 600 miles / 970 km |
| Typical flight time | 1 h 45 min (estimate) |
| Time difference | None |
| Route type | Domestic (U.S.) |
| Airlines with hubs here | American Airlines, United Airlines, and Southwest Airlines |
About the Denver to Phoenix route
With roughly 600 miles between DEN and PHX, this route sits in the middle range where both nonstop and one-stop options can be competitive.
Flight time and distance
A typical flight takes about 1 h 45 min gate to gate, with a realistic range of 1 h 25 min to 2 h 10 min depending on wind, routing and aircraft. That is an estimate based on the distance of roughly 600 miles (970 km), not a published schedule.
Among the 200 routes in our guides, DEN to PHX is longer than about 12% of them.
For comparison, Denver to Las Vegas (DEN to LAS) is about 630 miles, so Phoenix is about the same distance out from DEN.
The airports
Denver International Airport (DEN)
Denver is a United hub and one of Southwest's busiest airports, which gives travelers a wide choice of nonstops across the West and Midwest. Full DEN guide.
Phoenix Sky Harbor International Airport (PHX)
Sky Harbor is American Airlines' desert hub and sits just minutes from downtown Phoenix. Full PHX guide.
Other airports are worth a look: around Denver, Colorado Springs; and around Phoenix, Las Vegas (LAS). Comparing them can change the price or the travel time to your final destination.
Airlines on this route
Southwest Airlines has a hub at both ends, so it is the most likely to offer frequent nonstop service and easy rebooking on this route.
American Airlines and United Airlines also have a major presence at one of the two airports.
Nonstop availability on any route can shift from one season to the next, so treat this as a guide to who is likely to serve the market, not a timetable.
Common connection points
Connecting itineraries on this route often look like American Airlines via Los Angeles (LAX), which adds about 630 miles (104% beyond the direct distance) or United Airlines via Los Angeles (LAX), which adds about 630 miles (104% beyond the direct distance). Choose the connection with the best weather odds for your travel month and leave a comfortable layover; our layover guide explains how much time is realistic.
Best time to fly
For this trip, keep in mind that at PHX, winter and spring are peak season for visitors; summer heat can limit some aircraft operations on the hottest afternoons. At DEN, ski season brings holiday peaks, and spring snowstorms can cause sudden cancellations.
Ground transport
Getting to and from DEN
The A Line train reaches Union Station in about 37 minutes.
Getting to and from PHX
The PHX Sky Train connects the terminals and the rental car center, and light rail connects to downtown and Tempe.
Booking tips
Phoenix is a leisure destination, so demand follows school holidays and peak travel seasons. Booking earlier for those dates usually helps, and the booking-timing guide explains the typical patterns.
Frequently asked questions
How long is the flight from Denver to Phoenix?
A typical DEN to PHX flight takes about 1 h 45 min, with a likely range of 1 h 25 min to 2 h 10 min. Actual time depends on wind, routing, aircraft and whether you connect.
How far is Phoenix from Denver by air?
The great-circle distance between DEN and PHX is about 600 miles (970 km).
Which airlines fly from Denver to Phoenix?
American Airlines, United Airlines, and Southwest Airlines have a major presence at DEN or PHX, and service varies by season. Ask us to check current nonstop and connecting options.
Are there other airports near Denver?
Yes. Nearby alternatives include Colorado Springs. Comparing them can change both fare and travel time.
When is the best time to book DEN to PHX?
For leisure routes like this, book early for school holidays and peak seasons. Domestic fares are often competitive one to three months ahead, while international trips benefit from more lead time. Compare several dates, since fares are priced flight by flight.
Explore related routes
More flights involving Denver (DEN)
- Atlanta to DenverATL to DEN
- Austin to DenverAUS to DEN
- Baltimore to DenverBWI to DEN
- Chicago to DenverMDW to DEN
- Chicago to DenverORD to DEN
- Cleveland to DenverCLE to DEN
More flights involving Phoenix (PHX)
- Charlotte to PhoenixCLT to PHX
- Chicago to PhoenixORD to PHX
- Dallas to PhoenixDFW to PHX
- Los Angeles to PhoenixLAX to PHX
- Philadelphia to PhoenixPHL to PHX
- Washington, D.C. to PhoenixDCA to PHX
Last reviewed October 22, 2026. FlighTicketHub provides general information; confirm details with the airline before you travel.