Denver to Phoenix flights

Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Denver to Phoenix is €46 with Frontier Airlines (checked on 18 Oct 2026).

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Lowest observed

€46

Average observed

€68

Cheapest month

December 2026

Last checked

18 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €46

Below average

16 Dec 2026

Frontier Airlines · Non-stop · One way

Cheapest observed day · Last checked: 18 Oct 2026

Departure

22:48

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

One-way fare

One-way fare · No data: click and we will search

Lowest observed: €46, departing 16 Dec 2026 (Last checked: 18 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 86Check live prices for this route
Airlines seen: Frontier Airlines
Reported fastest flight: 1h 58m
Non-stop: Yes

Short answer

Routavio has seen Frontier Airlines fares from Denver to Phoenix, non-stop. The lowest fare Routavio's own searches returned is €46, seen on 18 Oct 2026. The average across the fares we caught is €68. December 2026 is the cheapest month in our observations, at €46. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare.

About this route

Explore the fares we observed from Denver to Phoenix. Prices move often, so pick your dates to see the latest options.

Route distance: 943 km
Reported fastest flight: 1h 58m
Airlines seen: Frontier Airlines
Alternative airports: APA, AZA, SCF

Route-level information; individual journeys vary.
Published schedules report non-stop service with Frontier Airlines, Spirit Airlines, United Airlines, Southwest Airlines. Check current timetables.

A clearer picture of your fare

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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How our prices work

Non-stop airlines seen on this route

Non-stop airlines seen on this route
Airline	Non-stop days / priced days	Fastest non-stop
Frontier Airlines	85 / 87

Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.

Airport to city: straight-line distance

Denver International Airport (DEN) → Denver, city gazetteer reference point (39.7392, -104.9847): ≈ 30 km.
Phoenix Sky Harbor International Airport (PHX) → Phoenix, city gazetteer reference point (33.4484, -112.0740): ≈ 6 km.
Mesa Gateway Airport (AZA) → Phoenix, city gazetteer reference point (33.4484, -112.0740): ≈ 42 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Lowest fare by departure month

Lowest fare by departure month
Month	Lowest fare	Priced days
October 2026	€110	12
November 2026	€39	30
December 2026	€46	31
January 2027	€39	13

Lowest fare by day of the week

Cheapest day of the week from Denver to Phoenix: Monday, from €39 (checked 13 Oct 2026).

Lowest fare by day of the week
Day	Lowest fare	Priced days
Monday	€39	12
Tuesday	€39	13
Wednesday	€39	13
Thursday	€39	12
Friday	€39	12
Saturday	€39	12
Sunday	€61	12

One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.

Lowest fare by days before departure

Lowest fare from Denver to Phoenix by days until departure (8 to 30 days): €39 (checked 13 Oct 2026).

Lowest fare by days before departure
Days before departure	Lowest fare	Priced days
0 to 7 days	€110	8
8 to 30 days	€39	23
31 to 60 days	€41	30
61 days or more	€39	25

One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.

Fares for different departure dates, checked now; not a guide to when to book.

Frequently asked

How much is a flight from Denver to Phoenix?

The lowest fare we have observed is €46, found on 18 Oct 2026. Prices move, so read it as a floor rather than a quote.

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

In our observations December 2026 is the cheapest month so far, at €46.

Are there direct flights from Denver to Phoenix?

Yes. Published schedules report non-stop flights on this route with Frontier Airlines, Spirit Airlines, United Airlines, Southwest Airlines.

Which airlines fly from Denver to Phoenix?

These are the carriers we have seen on the route: Frontier Airlines.

How long does the flight from Denver to Phoenix take?

The average journey time across the 98 fares we observed is 2h 20m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Denver to Phoenix fares were non-stop?

96 of the 107 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.

Which airlines had non-stop offers on at least 3 departure dates from Denver to Phoenix?

For Denver to Phoenix, examples of observed one-way non-stop offers checked within the last 14 days: Frontier Airlines (85). Each number counts distinct departure dates, not weekly flights; check current availability in search.

Which day of the week is cheapest from Denver to Phoenix?

Cheapest day of the week from Denver to Phoenix: Monday, from €39 (checked 13 Oct 2026).

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide