Route guide · 600 miles
Cheap Flights from Denver to Phoenix
DEN → PHX · Nonstop 1h 43m · Live round-trip fares
If Phoenix is next on your list, here's the honest picture on fares from Denver. The trip covers about 600 miles and takes roughly 1h 43m in the air. Prices on this route reward planners: booking 2–4 weeks ahead is the sweet spot, and the lowest fares tend to sell out fast.
Live fares for DEN → PHX are updating. Use the search below for real-time prices.
Search live pricesNonstop flights from Denver to Phoenix
The fastest way between the two cities is the nonstop: about 1h 43m for the 600-mile run from DEN to PHX. Those flights are flown by Frontier Airlines, United Airlines, JetBlue. Prices behave best when you book 2–4 weeks out.
Booking insights: Denver → Phoenix
- Distance: 600 miles · nonstop flight time: 1h 43m.
- Cheapest upcoming week in the live data starts around Oct 22, with fares from $93.
- Fares tend to bottom out when you book about 2–4 weeks ahead — earlier than that rarely helps, later usually hurts.
- Tuesday and Wednesday departures usually undercut Friday and Sunday fares on routes like this one.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
Price trend
Cheapest departure weeks ahead
Departing around Oct 22 is currently the cheapest window — about $46 less than the nearest weeks. Based on recent fares found for this route; prices change quickly.
Cheapest month · Denver → Phoenix
October 2026
Every date's recent round-trip fare, at a glance.
Fares from
$93
Cheapest: Thu, Oct 22 — $93 · Priciest: Oct 15 — $164
Get this fare →Recent fares found for specific dates in October 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Denver to Phoenix flight FAQs
How long is the flight from DEN to PHX?
A nonstop from DEN to PHX clocks in at around 1h 43m for the 600-mile trip. If you're connecting, budget an extra 2–4 hours depending on where you stop.
Are there nonstop flights from Denver to Phoenix?
Frontier Airlines, United Airlines, JetBlue typically operate nonstop flights from DEN to PHX. Nonstops are usually cheapest when booked 2–4 weeks ahead of departure.
What is the cheapest month to fly from Denver to Phoenix?
Fares from Denver to Phoenix tend to ease outside the peak summer and holiday rush — the late-summer and early-fall shoulder weeks are usually kinder on the wallet. Set a free Airfare Deal alert and we'll flag the dips for your dates.
How much are last minute flights from DEN to PHX?
Last-minute flights from DEN to PHX (booked within 7 days of departure) typically cost noticeably more than fares booked 2–4 weeks out. Booking early is the smarter move.
What is a good round-trip deal from Denver to Phoenix?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Denver to Phoenix?
You'll mainly see Frontier Airlines, United Airlines, JetBlue on Denver to Phoenix. Checking each against the live fares below is the surest way to find the lowest price for your dates.
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