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Cheap flights from Denver to Phoenix Sky Harbor Intl Airport from C$ 82

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Denver to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Sky Harbor Intl (PHX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 159

One-way from

C$ 82

Popular in

June

Cheapest in

September

Average price

C$ 175
Frontier
  • Frontier
  • 7/10-15/10
  • 1 total stop
  • 15h 37m total
  • Denver to Phoenix
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United Airlines
  • United Airlines
  • 30/12
  • Nonstop
  • 2h 03m total
  • Denver to Phoenix
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Denver to Sky Harbor Intl

Cheapest flights from Denver to Sky Harbor Intl
Explore the most affordable flight options available from Denver to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Tue 7/1012:36 a.m.DEN - PHX
1 stop13h 41mFrontier
Wed 15/104:14 p.m.PHX - DEN
Nonstop1h 56mFrontier
Deal found 10/9C$ 159
Sat 11/107:15 p.m.DEN - PHX
Nonstop1h 57mUnited Airlines
Tue 14/104:35 p.m.PHX - DEN
Nonstop1h 54mUnited Airlines
Deal found 10/9C$ 162
Fri 10/103:55 p.m.DEN - PHX
Nonstop1h 56mUnited Airlines
Sat 18/1011:42 a.m.PHX - DEN
Nonstop1h 51mUnited Airlines
Deal found 10/9C$ 184
Wed 8/107:01 a.m.DEN - PHX
1 stop9h 16mAlaska Airlines
Wed 15/104:17 p.m.PHX - DEN
1 stop6h 30mAlaska Airlines
Deal found 11/9C$ 188
Fri 10/109:00 p.m.DEN - PHX
Nonstop1h 57mUnited Airlines
Mon 13/106:45 p.m.PHX - DEN
Nonstop1h 54mUnited Airlines
Deal found 9/9C$ 206
Tue 14/107:01 a.m.DEN - PHX
1 stop9h 16mAlaska Airlines
Thu 16/104:17 p.m.PHX - DEN
1 stop6h 30mAlaska Airlines
Deal found 10/9C$ 211
Wed 3/1210:55 a.m.DEN - PHX
1 stop3h 15mSouthwest
Tue 9/122:35 p.m.PHX - DEN
1 stop3h 25mSouthwest
Deal found 10/9C$ 212
Tue 30/99:35 a.m.DEN - PHX
Nonstop1h 58mUnited Airlines
Tue 30/93:00 p.m.PHX - DEN
Nonstop1h 54mUnited Airlines
Deal found 10/9C$ 220
Sat 11/108:30 a.m.DEN - PHX
Nonstop1h 58mUnited Airlines
Sat 18/106:45 p.m.PHX - DEN
Nonstop1h 54mUnited Airlines
Deal found 10/9C$ 231
Thu 16/107:01 a.m.DEN - PHX
1 stop9h 16mAlaska Airlines
Mon 20/104:17 p.m.PHX - DEN
1 stop6h 30mAlaska Airlines
Deal found 10/9C$ 233
Tue 2/122:45 p.m.DEN - PHX
1 stop3h 55mSouthwest
Thu 4/122:35 p.m.PHX - DEN
1 stop3h 25mSouthwest
Deal found 10/9C$ 241

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Sky Harbor Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Denver to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Denver

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 6/1

5:44 p.m.-7:45 p.m.

Nonstop2h 01m

Phoenix Sky Harbor Intl

Sat 17/1

4:31 p.m.-6:25 p.m.

Nonstop1h 54m

C$ 162

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Thu 25/12

8:45 p.m.-10:49 p.m.

Nonstop2h 04m

Phoenix Sky Harbor Intl

Wed 31/12

8:10 a.m.-10:05 a.m.

Nonstop1h 55m

C$ 184

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 8/10

7:01 a.m.-3:17 p.m.

1 stop9h 16m

Phoenix Sky Harbor Intl

Wed 15/10

4:17 p.m.-11:47 p.m.

1 stop6h 30m

C$ 188

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 25/10

7:01 a.m.-3:17 p.m.

1 stop9h 16m

Phoenix Sky Harbor Intl

Tue 28/10

3:15 p.m.-11:51 p.m.

1 stop7h 36m

C$ 188

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 18/10

7:50 p.m.-9:44 a.m.

1 stop14h 54m

Phoenix Sky Harbor Intl

Sat 25/10

11:57 a.m.-7:10 p.m.

1 stop6h 13m

C$ 188

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 8/10

7:01 a.m.-3:17 p.m.

1 stop9h 16m

Phoenix Sky Harbor Intl

Tue 14/10

4:17 p.m.-11:47 p.m.

1 stop6h 30m

C$ 188

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 28/10

7:04 p.m.-10:16 p.m.

1 stop4h 12m

Phoenix Sky Harbor Intl

Wed 29/10

10:38 a.m.-7:06 p.m.

1 stop7h 28m

C$ 188

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Fri 10/10

9:00 p.m.-9:57 p.m.

Nonstop1h 57m

Phoenix Sky Harbor Intl

Mon 13/10

6:45 p.m.-9:39 p.m.

Nonstop1h 54m

C$ 206

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 14/10

7:01 a.m.-3:17 p.m.

1 stop9h 16m

Phoenix Sky Harbor Intl

Thu 16/10

4:17 p.m.-11:47 p.m.

1 stop6h 30m

C$ 211

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 6/1

6:20 a.m.-11:00 a.m.

1 stop4h 40m

Phoenix Sky Harbor Intl

Sat 17/1

6:30 a.m.-11:45 a.m.

1 stop5h 15m

C$ 241

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 22 results
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Best time to book a flight from Denver to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Phoenix Sky Harbor Intl Airport

How far ahead should I book a flight from Denver to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Sky Harbor Intl. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from Denver to Phoenix Sky Harbor Intl Airport, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Denver to Phoenix Sky Harbor Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Denver to Phoenix Sky Harbor Intl Airport (average of C$ 247). Flying from Denver to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of C$ 316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to PHX?

Find hourly flight availability from Denver to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

A simple way to save on the total cost of your ticket is to fly from Denver to Phoenix Sky Harbor Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sky Harbor Intl. Reviews last updated 11 September 2025.
Check out reviews from past customers who have flown with Frontier from Denver to Phoenix Sky Harbor Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Frontier
5.8
Fair
3,177 reviews
Check prices

Crew

6.7

Boarding

6.1

Entertainment

4.4

Overall

5.8

Food

4.7

Comfort

5.5

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

MCO - DFW

Frontier likes to promote themselves as being a cheap airline to fly, but in the end, that’s laughable. Only AFTER I booked through you, and then had to go to their site to choose my seats and baggage, did I find they charged a $75 “Passenger” fee. No explanation on what that was even for. Then for them to charge $5 for sodas, and who knows what for any small snack, is just insulting.
Frontier
5.8
Fair
3,177 reviews
Frontier
5.8
Fair
3,177 reviews
Check prices

Crew

6.7

Boarding

6.1

Entertainment

4.4

Overall

5.8

Food

4.7

Comfort

5.5

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

MCO - DFW

Frontier likes to promote themselves as being a cheap airline to fly, but in the end, that’s laughable. Only AFTER I booked through you, and then had to go to their site to choose my seats and baggage, did I find they charged a $75 “Passenger” fee. No explanation on what that was even for. Then for them to charge $5 for sodas, and who knows what for any small snack, is just insulting.

Related info for your journey

Find useful and relevant information for your journey from Denver to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Phoenix Sky Harbor Intl?

    Located just 29.7 km from the city centre, Denver Intl is the airport most travellers will use when flying to Phoenix Sky Harbor Intl from Denver. Booking flights from Denver Intl (DEN) to Phoenix Sky Harbor Intl should be relatively easy as there are 26 daily outbound flights to Phoenix Sky Harbor Intl from 1 airline.

  • How long is the flight from Denver to Phoenix Sky Harbor Intl Airport?

    A quick flight from Denver to Phoenix Sky Harbor Intl Airport can take about 2h 01m. United Airlines provides one of the quickest options available for as low as C$ 162. There are 967 km between Denver and Phoenix Sky Harbor Intl Airport. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Denver to Phoenix Sky Harbor Intl Airport round-trip?

    Currently priced at C$ 87, Frontier will fly you from Denver to Phoenix Sky Harbor Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Frontier is currently priced 63% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Denver to Phoenix Sky Harbor Intl Airport one-way?

    C$ 89 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Alaska Airlines and Hawaiian Airlines, with prices starting from C$ 94 and C$ 94, respectively.

  • What are the most reliable airlines from Denver to Phoenix Sky Harbor Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Denver to Phoenix Sky Harbor Intl Airport consider choosing Frontier (76%), Air Canada (69%) or Southwest (66%) as they are the most reliable in getting you off to your destination on time.

  • Can I find deals for flights from Denver to Sky Harbor Intl that include hotel bookings?

    Yes. In addition to deals on Denver to Sky Harbor Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Sky Harbor Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Sky Harbor Intl.

  • Can I find deals for business class flights from Denver to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Denver to Sky Harbor Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Phoenix Sky Harbor Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Denver to Phoenix Sky Harbor Intl Airport (average of C$ 247). Flying from Denver to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of C$ 316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Wickenburg
Litchfield Park
Peoria
Fountain Hills

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Denver to Sky Harbor Intl

Discover the top airline that operate flights from Denver to Sky Harbor Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 87AverageC$ 260FlexibilityNo cancel feeOn-time62%
Search Frontier flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Denver to Sky Harbor Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Denver to Sky Harbor Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Denver to Sky Harbor Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Denver to Sky Harbor Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Denver to Sky Harbor Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Denver to Sky Harbor Intl with no change fees.

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