Denver (DEN) to Phoenix (PHX) Flights
Denver (DEN) to Phoenix (PHX) Flights
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About This Route
The Denver (DEN) to Phoenix (PHX) route is a popular domestic connection between the Mountain West and the Southwest. It’s frequently used by leisure travelers, business professionals, and students, especially for weekend trips and seasonal travel.
Flights operate daily between Denver International Airport (DEN) and Phoenix Sky Harbor International Airport (PHX) with multiple non-stop options available.
Flight Duration & Distance
Average flight duration: 1 hour 55 minutes – 2 hours 15 minutes
Distance: Approximately 864 miles
Non-stop flights: Available daily
Airlines Flying DEN ↔ PHX
Several major airlines operate on this route, including:
United Airlines
American Airlines
Southwest Airlines
Frontier Airlines
ZippyGo compares fares across airlines to help you choose the best option based on price and flight timing.
Best Time to Book Flights from DEN to PHX
Cheapest months: January, August, September
Best booking window: 2–5 weeks before departure
Lowest fares: Mid-week flights (Tuesday & Wednesday)
For peak winter travel to Phoenix and holiday seasons, booking early is recommended.
Tips to Find Cheap DEN to PHX Flights
Book flights early during peak travel seasons
Choose early-morning or late-evening departures
Be flexible with your travel dates
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How long is the flight from Denver to Phoenix?
Most nonstop flights from Denver to Phoenix take around 1 hour 55 minutes to 2 hours 15 minutes, depending on wind and flight path.
Are there nonstop flights available on the DEN–PHX route?
Yes. Multiple nonstop flights operate daily between Denver International Airport and Phoenix Sky Harbor, especially due to strong business and leisure demand.
Which airlines commonly fly from Denver to Phoenix?
Popular airlines on this route include Southwest Airlines, American Airlines, United Airlines, and Frontier Airlines, offering both nonstop and connecting options.
When is the best time to book Denver to Phoenix flights?
For better prices, booking 2–4 weeks in advance usually helps. Midweek departures often offer lower fares than weekend departures.
Is Phoenix Sky Harbor Airport easy to reach from downtown Phoenix?
Yes. Phoenix Sky Harbor is located close to downtown and is well connected via Light Rail, taxis, and ride-sharing services, making arrival convenient.
Does weather affect flights between Denver and Phoenix?
Occasionally, winter snow in Denver or summer heat in Phoenix may cause minor delays, but this route is generally reliable year-round.
Can I find last-minute flight deals for this route?
Last-minute deals do appear, but availability is limited. Flexible travel dates improve the chances of finding better last-minute fares.