Direct flights from Phoenix to Denver PHX → DEN
American Airlines, Envoy Air, Frontier Airlines, Southwest Airlines and United Airlines fly nonstop from Phoenix (PHX) to Denver (DEN), several times daily. The flight takes about 1h 44m and covers 601 miles (968 km). Round-trip fares typically run around $161, with recent bookable fares from $68. Arrivals run on time 80.9% at PHX and 80.3% at DEN — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Fares last checked 29 August 2026.
60-day flexibility overview based on 2319 recent fares across the next 60 days
What flexibility is worth here
Flying in October rather than August typically saves $164 on PHX → DEN.
Typical round-trip fare by departure month, across the 4 months we currently track.
How long you stay changes it too
Staying 1–5 nights typically costs $123 less than 6–9 nights.
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Frontier
Frontier
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American Airlines
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Frontier Airlines
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United Airlines
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Southwest Airlines
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Departure Schedule typical week
Typical weekly schedule · 86 flights per week (~12 per day) · Updated 51d ago
American Airlines
Frontier Airlines
United Airlines
Southwest Airlines
Frequently asked questions
Is there a direct flight from Phoenix to Denver?
Yes, American Airlines, Envoy Air and 3 more airlines operate nonstop flights from Phoenix (PHX) to Denver (DEN).
Which airlines fly direct from Phoenix to Denver?
American Airlines, Envoy Air, Frontier Airlines, Southwest Airlines, United Airlines operate nonstop flights from Phoenix to Denver.
How long is the flight from Phoenix to Denver?
The nonstop flight from Phoenix to Denver takes ~1h 44m (approximately 968 km).
How often do direct flights operate from Phoenix to Denver?
Nonstop flights from Phoenix to Denver operate multiple daily — 86 flights per week (~12 per day).
What is the on-time performance for flights from Phoenix to Denver?
Arrivals run on time 80.9% at PHX and 80.3% at DEN — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
What days of the week are there direct flights from Phoenix to Denver?
Direct flights from Phoenix to Denver operate every day of the week. American Airlines flies daily, Frontier Airlines flies daily, United Airlines flies daily, and Southwest Airlines flies Saturday.
How much is a round-trip flight from Phoenix to Denver?
Round-trip flights from Phoenix (PHX) to Denver (DEN) start at $68, with a typical fare around $161. Based on 2319 recent fare combinations.
What is the cheapest month to fly from Phoenix to Denver?
Across the 4 departure months we currently track, October 2026 is the cheapest month to fly round trip from Phoenix to Denver, with typical fares around $121 — versus about $285 in August 2026, the most expensive.
Does trip length change the round-trip fare from Phoenix to Denver?
Typical round-trip fares from Phoenix (PHX) to Denver (DEN) by trip length: a short trip (1–5 nights) about $128, a week away (6–9 nights) about $251, and around two weeks (10–16 nights) about $195. Medians from 2319 recent fare combinations.
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Scout — our search agent — priced 2,208 fares on this route in the past week, cheapest $68 round trip. It hunts nonstop fares from Phoenix every night and pings you when one's worth booking.
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