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Cheap flights from Denver to Phoenix Sky Harbor Intl Airport from C$ 87

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Denver Intl to Phoenix Sky Harbor Intl are usually found in January or September, booked 78 days in advance, depart on a Tuesday or Monday and return on a Thursday

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 30 October 2025.

Round-trip from

C$ 172

One-way from

C$ 87

Popular in

June

Cheapest in

January

Average price

C$ 261
Southwest
  • Southwest
  • 11/2-15/2
  • Nonstop
  • 3h 45m total
  • Denver to Phoenix
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United Airlines
  • United Airlines
  • 29/1
  • Nonstop
  • 2h 04m total
  • Denver to Phoenix
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Highest demand for flights based on searches. 4% potential increase in price (C$ 15 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Denver to Sky Harbor Intl

Enter your travel dates to find the best prices.

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 30 October 2025.

Sat 27/1210:44 p.m.DEN - PHX
Nonstop2h 00mFrontier
Tue 30/129:31 a.m.PHX - DEN
Nonstop1h 55mFrontier
Deal found 30/10C$ 158
Tue 2/127:45 a.m.DEN - PHX
Nonstop2h 08mUnited Airlines
Thu 4/125:46 p.m.PHX - DEN
Nonstop1h 52mUnited Airlines
Deal found 30/10C$ 207
Thu 4/125:30 a.m.DEN - PHX
Nonstop2h 05mSouthwest
Mon 8/128:15 a.m.PHX - DEN
Nonstop1h 50mSouthwest
Deal found 30/10C$ 219
Tue 9/1210:05 a.m.DEN - PHX
1 stop5h 08mAlaska Airlines
Tue 16/126:00 a.m.PHX - DEN
1 stop8h 46mAlaska Airlines
Deal found 29/10C$ 230
Mon 24/117:20 p.m.DEN - PHX
1 stop14h 22mAlaska Airlines
Tue 2/127:56 p.m.PHX - DEN
1 stop23h 28mAlaska Airlines
Deal found 30/10C$ 240
Sat 27/1210:44 p.m.DEN - PHX
Nonstop2h 00mMultiple Airlines
Tue 30/124:41 p.m.PHX - DEN
1 stop7h 18mMultiple Airlines
Deal found 30/10C$ 242
Fri 5/126:00 a.m.DEN - PHX
1 stop18h 05mAlaska Airlines
Sun 7/126:00 a.m.PHX - DEN
1 stop17h 59mAlaska Airlines
Deal found 29/10C$ 244
Mon 22/126:48 p.m.DEN - PHX
1 stop5h 05mAlaska Airlines
Thu 25/1212:42 p.m.PHX - DEN
1 stop6h 36mAlaska Airlines
Deal found 29/10C$ 246
Tue 9/1212:05 p.m.DEN - PHX
1 stop5h 20mDelta
Tue 16/122:18 p.m.PHX - DEN
1 stop4h 40mDelta
Deal found 29/10C$ 247
Wed 19/111:23 p.m.DEN - PHX
1 stop8h 16mAlaska Airlines
Sat 22/113:48 p.m.PHX - DEN
1 stop8h 11mAlaska Airlines
Deal found 29/10C$ 260
Fri 12/127:28 p.m.DEN - PHX
1 stop5h 04mDelta
Sat 13/121:13 p.m.PHX - DEN
1 stop5h 19mDelta
Deal found 29/10C$ 261
Thu 27/119:35 a.m.DEN - PHX
Nonstop2h 08mUnited Airlines
Thu 4/124:33 p.m.PHX - DEN
Nonstop1h 52mUnited Airlines
Deal found 30/10C$ 263

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 30 October 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

Fri 16/1

8:55 p.m.-10:59 p.m.

Nonstop2h 04m

Phoenix Sky Harbor Intl

Mon 19/1

6:45 a.m.-8:41 a.m.

Nonstop1h 56m

C$ 236

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 11/2

8:35 a.m.-12:05 p.m.

1 stop3h 30m

Phoenix Sky Harbor Intl

Wed 11/2

2:40 p.m.-7:25 p.m.

1 stop4h 45m

C$ 240

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Thu 5/2

8:04 a.m.-11:22 p.m.

1 stop15h 18m

Phoenix Sky Harbor Intl

Sun 8/2

8:24 a.m.-6:41 p.m.

1 stop10h 17m

C$ 240

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Thu 25/12

7:55 a.m.-11:25 a.m.

1 stop3h 30m

Phoenix Sky Harbor Intl

Tue 30/12

6:00 p.m.-9:45 p.m.

1 stop3h 45m

C$ 240

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Mon 24/11

7:20 p.m.-9:42 a.m.

1 stop14h 22m

Phoenix Sky Harbor Intl

Tue 2/12

7:56 p.m.-7:24 p.m.

1 stop23h 28m

C$ 240

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 23/12

6:48 p.m.-11:53 p.m.

1 stop5h 05m

Phoenix Sky Harbor Intl

Thu 25/12

12:42 p.m.-7:18 p.m.

1 stop6h 36m

C$ 246

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 21/2

5:30 a.m.-10:05 a.m.

1 stop4h 35m

Phoenix Sky Harbor Intl

Mon 23/2

5:10 p.m.-10:55 p.m.

1 stop5h 45m

C$ 247

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Fri 6/2

12:34 p.m.-7:25 p.m.

1 stop6h 51m

Phoenix Sky Harbor Intl

Mon 9/2

11:41 a.m.-6:41 p.m.

1 stop7h 00m

C$ 247

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Fri 19/12

6:48 p.m.-11:53 p.m.

1 stop5h 05m

Phoenix Sky Harbor Intl

Tue 23/12

4:41 p.m.-11:59 p.m.

1 stop7h 18m

C$ 278

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Mon 22/12

6:48 p.m.-11:53 p.m.

1 stop5h 05m

Phoenix Sky Harbor Intl

Mon 29/12

4:41 p.m.-11:59 p.m.

1 stop7h 18m

C$ 278

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Showing 1-10 of 23 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 24 October 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 78 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, December is the cheapest month in which you can book a flight from Denver to Phoenix Sky Harbor Intl Airport (average of C$ 74). Flying from Denver to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of C$ 135). 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 30 October 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 morning. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the afternoon.

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 30 October 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
3,122 reviews
Check prices

Comfort

5.5

Entertainment

4.4

Crew

6.7

Overall

5.8

Boarding

6.1

Food

4.6

Reviews

1 / 20
2.0
Mediocre

Shawn,Sep 2025

SAN - SFO

The flight was over booked and was unadble to get help with issue. I could not get a refund or rebooked in order to make my trip
Frontier
5.8
Fair
3,122 reviews
Frontier
5.8
Fair
3,122 reviews
Check prices

Comfort

5.5

Entertainment

4.4

Crew

6.7

Overall

5.8

Boarding

6.1

Food

4.6

Reviews

1 / 20
2.0
Mediocre

Shawn,Sep 2025

SAN - SFO

The flight was over booked and was unadble to get help with issue. I could not get a refund or rebooked in order to make my trip

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 13 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 06m. United Airlines provides one of the quickest options available for as low as C$ 172. 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$ 88, 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 64% below the average price you’ll pay for this route.

  • 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 Envoy Air (89%), Frontier (81%) or Alaska Airlines (78%) 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, December is the cheapest month in which you can book a flight from Denver to Phoenix Sky Harbor Intl Airport (average of C$ 74). Flying from Denver to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of C$ 135). 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 88AverageC$ 262FlexibilityNo cancel feeOn-time62%
Search Frontier flights

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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?

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