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Cheap Flights from Phoenix (PHXA) to Denver (DENA)

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Flight deals from Phoenix to Denver

Looking for a cheap last-minute deal or the best return flight from Phoenix to Denver? If you want to travel next month, return fares start from £40. Find the lowest prices on one-way and return tickets right here.
Denver.£40 per passenger.Departing Wed, 22 Apr, returning Wed, 29 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 22 Apr, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Wed, 29 Apr, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £40, select.
Denver.£49 per passenger.Departing Sat, 2 May, returning Wed, 6 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sat, 2 May, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Wed, 6 May, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £49, select.
Denver.£54 per passenger.Departing Tue, 28 Apr, returning Mon, 4 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Tue, 28 Apr, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 4 May, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £54, select.
Denver.£77 per passenger.Departing Mon, 30 Mar, returning Mon, 6 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Mon, 30 Mar, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 6 Apr, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £77, select.
Denver.£77 per passenger.Departing Tue, 31 Mar, returning Thu, 2 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Tue, 31 Mar, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Thu, 2 Apr, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £77, select.
Denver.£86 per passenger.Departing Sat, 28 Mar, returning Tue, 31 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sat, 28 Mar, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Tue, 31 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £86, select.
Denver.£87 per passenger.Departing Sun, 17 May, returning Sat, 8 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sun, 17 May, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Sat, 8 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £87, select.
Denver.£94 per passenger.Departing Wed, 27 May, returning Wed, 3 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 27 May, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Wed, 3 Jun, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £94, select.
Denver.£98 per passenger.Departing Thu, 4 Jun, returning Mon, 8 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Thu, 4 Jun, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 8 Jun, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £98, select.
Denver.£106 per passenger.Departing Thu, 23 Jul, returning Mon, 27 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Thu, 23 Jul, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 27 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £106, select.
Denver.£107 per passenger.Departing Mon, 3 Aug, returning Thu, 6 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Mon, 3 Aug, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Thu, 6 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £107, select.
Denver.£119 per passenger.Departing Sun, 28 Jun, returning Thu, 2 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sun, 28 Jun, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Thu, 2 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £119, select.
Denver.£120 per passenger.Departing Sun, 30 Aug, returning Tue, 1 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sun, 30 Aug, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Tue, 1 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £120, select.
Denver.£125 per passenger.Departing Mon, 7 Sep, returning Tue, 8 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Mon, 7 Sep, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Tue, 8 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £125, select.
Denver.£188 per passenger.Departing Tue, 6 Oct, returning Mon, 12 Oct.Return flight with United.Outbound direct flight with United departs from Phoenix Sky Harbor on Tue, 6 Oct, arriving in Denver International.Inbound direct flight with United departs from Denver International on Mon, 12 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £188, select.

Find the cheapest month to fly from Phoenix to Denver

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix to Denver flights are currently cheapest in April.
Mar
from £86
Apr
from £40
May
from £49
Jun
from £98
Jul
from £106
Aug
from £107
Sep
from £125
Oct
from £188
Nov
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Dec
Find prices
Jan
Find prices
Feb
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Direct flights from Phoenix to Denver

Alternative Phoenix to Denver routes

Looking for the cheapest, fastest or easiest route from Phoenix to Denver? You could fly into the following airports instead.

Denver Arapahoe Co

0 miles from central Denver
Closest
Search flights

Broomfield

14 miles from central Denver
Search flights

Denver International

19 miles from central Denver
Cheapest
from £40
Search flights

Northern Colorado Regional

49 miles from central Denver
Search flights

Phoenix to Denver: Flight information

The things to know before you go.
Cheapest flight found£40
Cheapest month to flyApril
Average flight time1 hr, 52 mins
Most popular airlineSouthwest Airlines
Average flights per week323

Check out these Denver hotels

Ready to plan your stay? Other travellers rate these Denver hotels for cleanliness, service and location.
BIG Little Hotel
0.38 miles from city centre
£149
Per night
Urban Cowboy Denver
0.31 miles from city centre
£272
Per night
Residence Inn Denver City Center
0.71 miles from city centre
£336
Per night
BIG Little Hotel
0.38 miles from city centre
£149
Per night
Urban Cowboy Denver
0.31 miles from city centre
£272
Per night
Residence Inn Denver City Center
0.71 miles from city centre
£336
Per night
Explore top-rated hotels

Finding cheap flights from Phoenix to Denver: Frequently asked questions

There are 4 airports in Denver: Denver Arapahoe Co, Broomfield, Denver International, and Northern Colorado Regional.
The best price we found for a return flight from Phoenix to Denver is £40. 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.
Southwest Airlines, American Airlines and United fly direct from Phoenix to Denver.
As of March 2026, there are 323 flights per week flying from Phoenix to Denver.
The cheapest month to fly from Phoenix to Denver is usually April.
If you're flying from Phoenix, the cheapest airport near Denver is Denver International – which is 18.6 miles away from the centre of Denver. We've found flights into this airport from £40.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Denver on Wednesday, 22 April 2026.
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 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.
In March, the average temperature is usually around 4°C. July is typically the warmest month in Denver, when it usually averages around 31°C. You can expect the least rain in January. The coldest month is December, with temperatures averaging -6°C. The rainiest month is July.
The cheapest airline that flies to Denver is Frontier Airlines .

Travelling from Phoenix to Denver: what you need to know

  • Start planning your holiday by checking out the departure points for your flight from Phoenix to Denver. Explore the options for leaving from Phoenix Sky Harbour International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA), two of the city's main airports.

  • Denver International Airport (DEN) is where you'll disembark in Denver.

  • Around 1 hour 50 minutes is how long you'll be travelling on a direct Phoenix to Denver flight.

  • Allow plenty of time to make your Phoenix to Denver flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • Delays at check-in and security are more likely if you're jetting off during high season, so allow a little extra breathing room. A good general rule for peak periods? Arrive up to four hours early for international flights and at least two hours for domestic departures.

How to find the cheapest flights from Phoenix to Denver

  • £21 is currently the best price for a one-way ticket from Phoenix to Denver. A return flight starts from £40. These prices may change depending on availability.

  • To secure cheap Phoenix to Denver flights, book your journey two months before your departure.

  • Plan your trip for May. That's the best month for landing great bargains on plane tickets from Phoenix to Denver. If your travel dates are not set in stone, use the 'Whole month' tool to find the lowest price across every month.

  • There's no need to check every day to see if fares have dropped when you create a Price Alert. We'll tell you when there's a better deal on cheap flights from Phoenix to Denver.

  • Choose your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your Phoenix to Denver flight results by 'Cheapest,' 'Fastest' or 'Best.'

Flying from Phoenix

Phoenix Sky Harbour International Airport (PHX)

  • If you're after a direct flight from Phoenix to Denver, you can depart from Phoenix Sky Harbour International Airport (PHX). Fly from PHX to Denver International Airport (DEN) without making any stops.

  • You'll have your pick of airlines that offer direct Phoenix to Denver plane tickets out of PHX. Get on board with any of these:

  • PHX is around 6 kms (4 miles) from central Phoenix. If you're catching a cab, driving or ride-sharing from the centre, it'll take you 10 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be around 35 minutes.

  • Looking for a convenient hotel near Phoenix Sky Harbour International Airport? If you've booked an early flight from Phoenix to Denver, these accommodation options will have you moments from your departure gate:

  • 82.57% of flights departing from Phoenix Sky Harbour International Airport touch down at their destination according to schedule. With its solid on-time performance, delays are unlikely when jetting out of PHX.

  • You'll find PHX at 3400 Sky Harbour Boulevard.

Arriving in Denver

Denver International Airport (DEN)

  • Denver International Airport (DEN) to central Denver takes around 35 minutes by car. The centre is roughly 29 kms (18 miles) away.

  • Getting there by public transport will take you roughly 1 hour 30 minutes.

  • Get off your flight from Phoenix to Denver and be relaxing in your hotel bed soon after. If you're searching for a convenient option a short drive from DEN, head for The Westin Denver International Airport.

  • Pick up a Denver International Airport rental car and discover Denver and beyond with your own wheels. Routes Car Rentals, Dollar and Budget are top providers to choose from here.

  • Reserving your vehicle from Denver International Airport around one week in advance can help you get the best possible rate.

  • The address for DEN is 8500 Pena Boulevard.

Best time to go to Denver

  • April is the quietest month for flights from Phoenix to Denver, while July is the most popular. Pick the ideal time to go to Denver based on whether you like a laid-back vibe or a lively atmosphere.

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

  • Search for cheap flights from Phoenix to Denver in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -9ºC (16ºF) and 7ºC (45ºF) on average.

More about Denver

Explore more of United States

  • Colorado Springs is just one of the many places in United States waiting to be explored once you've seen the sights of Denver. Around 65 miles to the south, its top attractions include US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).

  • Around 8 miles east of Denver, Aurora is another essential stop in United States. Start your sightseeing at Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc.

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.