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$37+ Cheap flights from Sky Harbor Intl (PHX) to Denver (DEN)

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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
Jan 27 — Feb 31
Mon 1/27
Mon 2/3
1 adult, Economy
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The best prices from Phoenix Sky Harbor Intl to Denver Intl are usually found in August or September, booked 30 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Sky Harbor Intl to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Denver (DEN). 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 January 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$68
(Frontier)

One-way from

$37
(Trip.com)

Popular in

November

Cheapest in

August

Average price

$128

Good round-trip deal

$149 or less

Good one-way deal

$112 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Denver Intl flights.
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From Phoenix Sky Harbor Intl to Denver Intl
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One-way flight from Phoenix Sky Harbor Intl to Denver Intl
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Highest demand for flights based on searches. 14% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Denver Intl.
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Denver Intl.
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Find flight deals from Sky Harbor Intl to Denver

Cheapest flights from Sky Harbor Intl to Denver
Explore the most affordable flight options available from Sky Harbor Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2025.

This Frontier deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1510:15 pmPHX - DEN
Nonstop1h 54mFrontier
Fri 2/2110:52 pmDEN - PHX
Nonstop2h 07mFrontier
Deal found 1/21$68
This Delta deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/126:30 amPHX - DEN
1 stop5h 07mDelta
Tue 2/185:40 amDEN - PHX
1 stop4h 37mDelta
Deal found 1/22$197
This Southwest deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/176:00 amPHX - DEN
1 stop4h 05mSouthwest
Tue 2/186:50 amDEN - PHX
Nonstop2h 10mSouthwest
Deal found 1/21$198
This CheapOair deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/175:50 amPHX - DEN
Nonstop1h 56mMultiple Airlines
Mon 5/265:40 pmDEN - PHX
1 stop18h 05mMultiple Airlines
Deal found 1/20$224
This United Airlines deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/122:35 pmPHX - DEN
1 stop5h 05mUnited Airlines
Sat 2/156:00 amDEN - PHX
1 stop4h 51mUnited Airlines
Deal found 1/22$229

Find flights from Sky Harbor Intl to Denver within your budget

Customize your flight search to find flights from Sky Harbor Intl to Denver 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 2,558,603 searches. Data last updated January 22, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 2/15

6:12 pm-8:06 pm

Nonstop1h 54m

Denver Intl

Thu 2/20

6:20 am-8:30 am

Nonstop2h 10m

$68

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 2/20

2:38 pm-7:38 pm

1 stop5h 00m

Denver Intl

Sat 2/22

6:00 am-10:51 am

1 stop4h 51m

$177

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sun 4/6

10:10 am-3:05 pm

1 stop3h 55m

Denver Intl

Thu 4/10

10:49 pm-12:50 am

1 stop27h 01m

$190

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 2/12

6:30 am-11:37 am

1 stop5h 07m

Denver Intl

Tue 2/18

5:40 am-10:17 am

1 stop4h 37m

$197

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Mon 2/17

6:00 am-10:05 am

1 stop4h 05m

Denver Intl

Tue 2/18

6:50 am-9:00 am

Nonstop2h 10m

$198

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 1/29

7:20 pm-9:12 pm

Nonstop1h 52m

$37

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 2/19

5:39 pm-7:30 pm

Nonstop1h 51m

$94

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 2/20

9:00 am-12:15 pm

1 stop3h 15m

$98

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 2/19

6:31 pm-10:47 pm

1 stop4h 16m

$99

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 4/4

10:10 am-3:05 pm

1 stop3h 55m

$116

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 13 results
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Compare providers for flights from Sky Harbor Intl to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Denver in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy2 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sky Harbor Intl to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Sky Harbor Intl 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.

Travel insights for flights from Sky Harbor Intl to Denver

Get recent, data-driven insights about flights from Sky Harbor Intl to Denver including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Denver. Price data was last updated on January 17, 2025.

The best time to book flights from Phoenix Sky Harbor Intl Airport to Denver is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Denver (average of $197). Flying from Phoenix Sky Harbor Intl Airport to Denver in March is currently the most expensive (average of $278). 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 PHX to DEN?

Find hourly flight availability from Sky Harbor Intl to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 22, 2025.

It’s optimal to fly from Phoenix Sky Harbor Intl Airport to Denver in the evening. By choosing this option you can save up to 61% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Denver?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Denver. Price data was last updated on January 21, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Denver flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix Sky Harbor Intl Airport to Denver

Explore weekly flight availability from Sky Harbor Intl to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 22, 2025.

The most flights from PHX to DEN are scheduled on a Monday (52 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated January 22, 2025.
Read reviews from past customers who have flown United Airlines and Delta from Phoenix to Denver. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,654 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Southwest
8.1
Very good
4,654 reviews
Southwest
8.1
Very good
4,654 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Alaska Airlines
8.0
Very good
9,707 reviews
Southwest
8.1
Very good
4,654 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Delta
8.0
Very good
8,514 reviews
Southwest
8.1
Very good
4,654 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

United Airlines
7.4
Good
8,975 reviews
Southwest
8.1
Very good
4,654 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,654 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Denver. 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 into for flights to Denver from Phoenix Sky Harbor Intl?

    Located just 18.5 mi from the city center, Denver Intl is the airport most travelers will use when flying to Denver from Phoenix Sky Harbor Intl. Booking flights from Phoenix Sky Harbor Intl to Denver Intl (DEN) should be relatively easy as there are 31 daily inbound flights from Phoenix Sky Harbor Intl from 4 different airlines.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Denver round-trip?

    Frontier, at $68, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to Denver.Alternate airlines to your destination round-trip include United Airlines and Delta. Frontier is priced at 49% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $37 on Frontier. Other airlines that offer cheap prices include United Airlines from $94 and Southwest from $98 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Phoenix Sky Harbor Intl Airport to Denver consider choosing SkyWest Airlines (100%), Frontier (91%) or Air Canada (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Denver?

    The cheapest flight price from Phoenix Sky Harbor Intl Airport to Denver is $50. On average you can expect to pay $1,142. The most popular route, (Phoenix Sky Harbor Intl - Denver Intl), can usually be booked for $88.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Denver 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 Phoenix Sky Harbor Intl Airport to Denver?

    Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Denver (average of $197). Flying from Phoenix Sky Harbor Intl Airport to Denver in March is currently the most expensive (average of $278). 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

Traveling 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
Keystone
Westminster
Black Hawk
Winter Park
Dillon
Lakewood
Broomfield
Silverthorne
Golden
Brighton
Frisco
Wheat Ridge
Grand Lake
Idaho Springs
Greeley
Central City
Copper Mountain
Longmont
Thornton
Limon

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Top 4 airlines flying from Sky Harbor Intl to Denver

Discover the top 4 airlines that operate flights from Sky Harbor Intl to Denver. 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 2,558,603 searches. Data last updated January 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$110FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$124Average$232FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$124Average$229FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$135Average$271FlexibilityNo cancel feeOn-time69%
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