Direct (nonstop) flights from Denver to Phoenix

4 airlines fly nonstop from Denver International (DEN) to Phoenix Sky Harbor International (PHX). It's 600 miles (966 km), about 2h in the air. Operated by American Airlines, Frontier Airlines, United Airlines and others.

DEN
Denver International
🇺🇸 Denver, USA
PHX
Phoenix Sky Harbor International
🇺🇸 Phoenix, USA
Flight Time
2h
Distance
600 mi
966 km
CO₂/pax
111 kg
−38 kg vs. layover
Airlines
4
American Airlines +3
Time Diff
-1h
Operated by American Airlines American Airlines Frontier Airlines Frontier Airlines United Airlines United Airlines Southwest Airlines Southwest Airlines

Route data last updated: May 30, 2026

Airlines with non-stop flights

American Airlines AA American Airlines
Route
DEN → PHX
Flight Time
2h
Distance
600 mi
Frontier Airlines F9 Frontier Airlines
Route
DEN → PHX
Flight Time
2h
Distance
600 mi
United Airlines UA United Airlines
Route
DEN → PHX
Flight Time
2h
Distance
600 mi
Southwest Airlines WN Southwest Airlines
Route
DEN → PHX
Flight Time
2h
Distance
600 mi

Alternative Routes

Other ways to fly from Denver to Phoenix with one stop · direct emits 111 kg CO₂ per passenger

DEN CNY (Moab) PHX
Leg 1: 1h 35m (281 mi) Leg 2: 1h (388 mi) Total: ~2h 35m 🍃 149 kg CO₂ (+34% vs. direct)
Leg 1
DEN → CNY
1h 35m · 281 mi
View DEN to CNY flights →
Leg 2
CNY → PHX
1h · 388 mi
View CNY to PHX flights →
DEN TEX (Telluride) PHX
Leg 1: 1h (217 mi) Leg 2: 1h 35m (387 mi) Total: ~2h 35m 🍃 137 kg CO₂ (+23% vs. direct)
Leg 1
DEN → TEX
1h · 217 mi
View DEN to TEX flights →
Leg 2
TEX → PHX
1h 35m · 387 mi
View TEX to PHX flights →
DEN VEL (Vernal) PHX
Leg 1: 1h 25m (259 mi) Leg 2: 1h 15m (502 mi) Total: ~2h 40m 🍃 166 kg CO₂ (+50% vs. direct)
Leg 1
DEN → VEL
1h 25m · 259 mi
View DEN to VEL flights →
Leg 2
VEL → PHX
1h 15m · 502 mi
View VEL to PHX flights →
DEN COS (Colorado Springs) PHX
Leg 1: 54m (72 mi) Leg 2: 1h 55m (551 mi) Total: ~2h 49m 🍃 140 kg CO₂ (+26% vs. direct)
Leg 1
DEN → COS
54m · 72 mi
View DEN to COS flights →
Leg 2
COS → PHX
1h 55m · 551 mi
View COS to PHX flights →
DEN ABQ (Albuquerque) PHX
Leg 1: 1h 25m (347 mi) Leg 2: 1h 24m (327 mi) Total: ~2h 49m 🍃 150 kg CO₂ (+35% vs. direct)
Leg 1
DEN → ABQ
1h 25m · 347 mi
View DEN to ABQ flights →
Leg 2
ABQ → PHX
1h 24m · 327 mi
View ABQ to PHX flights →

Looking for the return flight?

PHX → DEN: Flights from Phoenix to Denver

Frequently Asked Questions

How long is the direct flight from Denver to Phoenix?

A nonstop flight from Denver (DEN) to Phoenix (PHX) takes approximately 2 hours. The distance is 600 miles (966 km).

Which airlines fly nonstop from Denver to Phoenix?

4 airlines: American Airlines, Frontier Airlines, United Airlines, Southwest Airlines.

Is there a nonstop flight from Denver to Phoenix?

Yes. 4 airlines: American Airlines, Frontier Airlines, United Airlines, Southwest Airlines.

How far is Denver from Phoenix?

The flight distance from Denver to Phoenix is 600 miles (966 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.

What type of aircraft flies from Denver to Phoenix?

At 2h, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

What is the carbon footprint of a flight from Denver to Phoenix?

Roughly 111 kg CO2 per passenger one-way. That's about the same as driving 555 km.

Is the return flight from Phoenix to Denver also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Denver to Phoenix?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Denver International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.