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64 € Cheap Flights from Phoenix to Denver International

Compare Phoenix to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

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Flight deals from Phoenix to Denver International

Looking for a cheap last-minute deal or the best return flight from Phoenix to Denver International? Find the lowest prices on one-way and return tickets right here.
Denver.64 € per passenger.Departing Wed, 13 Aug, returning Tue, 19 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 13 Aug, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Tue, 19 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 64 €, select.
Denver.69 € per passenger.Departing Wed, 10 Sep, returning Wed, 17 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 10 Sep, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Wed, 17 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 69 €, select.
Denver.72 € per passenger.Departing Mon, 13 Oct, returning Mon, 20 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Mon, 13 Oct, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 20 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 72 €, select.
Denver.83 € per passenger.Departing Wed, 15 Oct, returning Sat, 1 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 15 Oct, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Sat, 1 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 83 €, select.
Denver.85 € per passenger.Departing Wed, 12 Nov, returning Fri, 14 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 12 Nov, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Fri, 14 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 85 €, select.
Denver.85 € per passenger.Departing Sat, 30 Aug, returning Fri, 5 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sat, 30 Aug, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Fri, 5 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 85 €, select.
Denver.85 € per passenger.Departing Sun, 28 Sep, returning Tue, 7 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sun, 28 Sep, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Tue, 7 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 85 €, select.
Denver.119 € per passenger.Departing Sat, 13 Dec, returning Tue, 16 Dec.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Sat, 13 Dec, arriving in Denver International.Inbound direct flight with Southwest Airlines departs from Denver International on Tue, 16 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 119 €, select.

Find the cheapest month to fly from Phoenix to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix to Denver International flights are currently cheapest in August.
Jul
from 180 €
Aug
from 64 €
Sep
from 69 €
Oct
from 72 €
Nov
from 85 €
Dec
from 119 €
Jan
Find prices
Feb
Find prices
Mar
from 227 €
Apr
Find prices
May
from 314 €
Jun
from 233 €

Direct flights from Phoenix to Denver International

Phoenix to Denver International: Alternative routes

Compare routes from Phoenix to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

Phoenix to Denver: Flight information

The things to know before you go.
Cheapest flight found64 €
Cheapest month to flyAugust
Average flight time1 hr, 52 mins
Most popular airlineSouthwest Airlines
Average flights per week323

Finding cheap flights from Phoenix to Denver International: Frequently asked questions

The best price we found for a return flight from Phoenix to Denver International is 64 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 52 minutes is the average flight time from Phoenix to Denver International.
Southwest Airlines, United and American Airlines fly direct from Phoenix to Denver International.
As of July 2025, there are 323 flights per week flying from Phoenix to Denver International.
The cheapest month to fly from Phoenix to Denver International is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Denver International Airport on Wednesday, 13 August 2025.
Yes – the average flight time is 1 hour and 52 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Denver International is Frontier Airlines .

Travelling from Phoenix to Denver International Airport (DEN): What you need to know

  • Your travel story starts at one of Phoenix's main airports, Phoenix Sky Harbour International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA). Explore the options for booking a flight from Phoenix to Denver International Airport (DEN) setting off from either of these bases.

  • Denver is one hour ahead of Phoenix. Denver International Airport is located in Denver, which runs on the UTC-6 timezone.

  • Get to the airport on time so you don't miss your flight from Phoenix to DEN. Be there at least two hours ahead for international flights and an hour early for domestic departures to skip the mad dash to your gate.

  • If you're travelling during a major holiday or other peak period, allow extra time. Arrive two hours before domestic flights and up to four hours before international departures. Check-in and security lines will be longer.

Airports in Phoenix

Phoenix Scottsdale Municipal Airport (SCF)

  • SCF is about 32 kilometres from central Phoenix. If you're ride-sharing, driving or catching a cab from the centre, it'll take 35 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 1 hour 55 minutes.

  • Want an easy start to your journey? Stay near Phoenix Scottsdale Municipal Airport. Whether you're boarding an early flight from Phoenix to Denver International Airport or just don't want to be rushed, these hotels are the answer:

Phoenix Sky Harbour International Airport (PHX)

  • Think about kicking off your trip from Phoenix Sky Harbour International Airport (PHX). You can book a direct Phoenix to Denver International Airport (DEN) plane ticket with departures from here.

  • When departing from PHX, you'll have your pick of airlines that operate direct flights from Phoenix to DEN. Soar above the clouds with any of these carriers:

  • United Airlines is the top choice for travellers flying from PHX to DEN.

  • Go with United Airlines for the most punctual service. Its flights between Phoenix Sky Harbour International Airport and Denver International Airport arrive as scheduled 89.27% of the time.

  • You can reach PHX from the centre of Phoenix in approximately 10 minutes by car, depending on traffic conditions. The journey on public transport will take roughly 35 minutes to travel the 8 kilometres or so.

  • Catching the earliest flight? Think about staying at one of these hotels near Phoenix Sky Harbour International Airport the day before your Phoenix to DEN flight:

  • Phoenix Sky Harbour International Airport has a strong track record for reliability and timeliness. 82.57% of flights out of here arrive right when they're supposed to.

  • The street address for PHX is 3400 Sky Harbour Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

  • Travelling to AZA from the centre of Phoenix? The airport is located around 56 kilometres away, and getting there takes roughly 40 minutes by car.

  • Make catching an early Phoenix to Denver International Airport flight one of the easiest parts of your trip. Book a room at one of these accommodation options near Phoenix-Mesa Gateway Airport and get to your departure gate without rushing:

  • The on-time performance rate of AZA is 78.65%. In simpler terms, that's how often flights that depart this airport arrive within the expected time frame.

  • You'll find Phoenix-Mesa Gateway Airport at 6033 S. Sossaman Rd..

About Denver International Airport (DEN)

  • Get off your flight from Phoenix to Denver International Airport and hop into your hotel bed shortly after. If you're searching for a convenient option a short drive from DEN, make your way to Baymont by Wyndham Denver International Airport.

  • Travel at your own pace with a Denver International Airport rental car. Pick up a set of wheels from Routes Car Rentals, Dollar or Budget and venture far and wide through Denver and beyond.

  • Booking your vehicle around one week ahead of your Phoenix to Denver International Airport flight can help you score a better rate.

  • DEN is located at 8500 Pena Boulevard.

Getting from Denver International Airport (DEN) to central Denver

  • Denver International Airport to central Denver is around 31 kilometres. If you're renting a car or getting a cab, do some research to make your trip as smooth as possible. Journey times can vary depending on the time of day and traffic conditions.

  • It takes around 1 hour 30 minutes if you're travelling by public transport.

How to find the cheapest flights from Phoenix to Denver International Airport (DEN)

  • 34 € is the best price for a one-way ticket from Phoenix to Denver International Airport. Return flights start from 64 €. These fares can change based on availability.

  • Don't leave everything to the last minute. You're more likely to find cheap flights from Phoenix to DEN if you book in advance. Airlines often offer some excellent early bird rates.

  • If you can be flexible with your trip dates, try using the 'Whole month' search tool. It'll give you the cheapest price across the month when searching for your Phoenix to Denver International Airport ticket.

  • Save time looking for cheap plane tickets from Phoenix to DEN by creating a Price Alert. We'll send you an email or notification through the app when a lower fare pops up.

  • Tailor your flights using filters. Select your preferred arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Phoenix to Denver International Airport.

The best time to fly from Phoenix to Denver International Airport (DEN)

  • It's time to work out when to book your flight from Phoenix to Denver International Airport (DEN). July is the busiest month to visit Denver. If you like things a bit more low-key, go in April.

  • The warmest month in Denver is July, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your Phoenix to DEN plane ticket then if that's your definition of good weather.

  • Look for cheap tickets from Phoenix to Denver International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -9ºC (16ºF) and 7ºC (45ºF).

More about Denver

Explore more of the United States

  • You've seen Denver, now it's time to discover other corners of the United States. Travel about 113 kilometres south to Colorado Springs to tick off its leading sights. From Garden of the Gods to Pikes Peak Region Attractions and Red Rock Canyon, you've got a jam-packed schedule ahead.

  • Pueblo is another essential stop in the United States and is around 177 kilometres south of Denver. No journey is complete without seeing Cathedral of the Sacred Heart, Rosemount Museum and Minnequa Lake Park.

Plan the rest of your trip from Phoenix to Denver

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.