HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$39+ Cheap flights from Phoenix 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phoenix to Denver with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Phoenix to Denver Intl are usually found in January or August, booked 63 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Phoenix to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 December 18, 2024.

Round-trip from

$68
(Frontier)

One-way from

$39
(Frontier)

Popular in

December

Cheapest in

January

Average price

$173
From Phoenix to Denver Intl
Search Deals
One-way flight from Phoenix to Denver Intl
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

Find flight deals from Phoenix to Denver

Cheapest flights from Phoenix to Denver
Explore the most affordable flight options available from Phoenix to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:45 amPHX - DEN
Nonstop1h 54mFrontier
Wed 1/86:00 amDEN - PHX
1 stop10h 49mFrontier
Deal found 12/17$82
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/246:35 amPHX - DEN
1 stop5h 07mDelta
Tue 12/246:29 pmDEN - PHX
1 stop5h 08mDelta
Deal found 12/16$256
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/256:20 amPHX - DEN
1 stop6h 01mUnited Airlines
Wed 1/17:10 pmDEN - PHX
Nonstop2h 03mUnited Airlines
Deal found 12/17$302

Find flights from Phoenix to Denver within your budget

Customize your flight search to find flights from Phoenix 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 1/7

7:20 pm-9:11 pm

Nonstop1h 51m

Denver Intl

Fri 1/10

10:18 pm-12:20 am

Nonstop2h 02m

$68

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 1/11

6:30 am-12:19 pm

1 stop5h 49m

Denver Intl

Sun 1/12

8:00 am-1:28 pm

1 stop5h 28m

$207

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 3/15

6:00 am-4:17 pm

1 stop9h 17m

Denver Intl

Tue 3/18

7:01 pm-8:10 pm

Nonstop2h 09m

$220

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 5/9

8:30 am-11:24 am

Nonstop1h 54m

Denver Intl

Mon 5/12

6:59 pm-7:55 pm

Nonstop1h 56m

$267

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Mon 1/6

8:05 am-9:55 am

Nonstop1h 50m

Denver Intl

Fri 1/10

8:45 pm-10:45 pm

Nonstop2h 00m

$271

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 2/6

12:47 pm-10:36 pm

1 stop9h 49m

Denver Intl

Sat 2/8

7:00 am-6:49 pm

2 stops11h 49m

$308

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 1/16

10:00 am-11:58 am

Nonstop1h 58m

$39

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 2/18

2:38 pm-7:38 pm

1 stop5h 00m

$79

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 1/15

11:22 am-3:20 pm

1 stop3h 58m

$98

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 1/23

12:59 am-5:51 pm

1 stop16h 52m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 14 results
1
2

Best time to book a flight from Phoenix to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Phoenix 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 Phoenix to Denver

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

How far ahead should I book a flight from Phoenix to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Denver. Price data was last updated on December 13, 2024.

The price you pay for your flight from Phoenix to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Phoenix to Denver?

Currently, October is the cheapest month in which you can book a flight from Phoenix to Denver (average of $197). Flying from Phoenix to Denver in March is currently the most expensive (average of $271). 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 Phoenix 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 December 18, 2024.

It’s optimal to fly from Phoenix to Denver at noon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Phoenix to Denver?

Use this chart to determine the cheapest time to fly round-trip from Phoenix to Denver. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Phoenix to Denver flight should consider departing on Wednesday at noon 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.

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 December 18, 2024.
Get a feel of what it's like to fly with Frontier, American Airlines and United Airlines from Phoenix to Denver by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
4,848 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
9,554 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
8,604 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
9,055 reviews
Southwest
8.1
Very good
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
4,848 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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 Phoenix 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?

    Located just 18.5 mi from the city center, Denver Intl is the airport most travelers will use when flying to Denver from Phoenix. Booking flights from Phoenix to Denver Intl (DEN) should be relatively easy as there are 16 daily inbound flights from Phoenix from 4 different airlines.

  • What are the cheapest airlines flying from Phoenix to Denver round-trip?

    Flying on Frontier is currently your cheapest option to Denver, with prices starting at $68. Additional round-trip tickets that might be worth considering are offered by American Airlines and Southwest, with the lowest prices starting at $267 and $273, respectively. Frontier is priced at 48% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Phoenix to Denver one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $39. Users have also found prices from $79 and $98 on United Airlines and Delta, respectively.

  • What are the most reliable airlines from Phoenix to Denver?

    The top 3 most reliable airlines when flying from Phoenix to Denver are SkyWest Airlines (100%), Envoy Air (98%) and Alaska Airlines (91%).

  • What are the cheapest flights from Phoenix to Denver?

    The cheapest flight price from Phoenix to Denver is $44. On average you can expect to pay $983. The most popular route, (Phoenix Sky Harbor Intl - Denver Intl), can usually be booked for $93.

  • Can I find deals for flights from Phoenix to Denver that include hotel bookings?

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

  • How can I find direct flights from Phoenix to Denver?

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

  • Can I find deals for business class flights from Phoenix to Denver?

    Yes. Cheapflights offers flight deals from Phoenix 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 to Denver?

    Currently, October is the cheapest month in which you can book a flight from Phoenix to Denver (average of $197). Flying from Phoenix to Denver in March is currently the most expensive (average of $271). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Phoenix to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to Denver flights
Las Vegas to Denver flights
Tucson to Denver flights
Sky Harbor Intl to Colorado Springs flights
Sky Harbor Intl to Vail flights
Las Vegas to Colorado Springs flights
Las Vegas to Aspen flights
Sky Harbor Intl to Aspen flights
Sky Harbor Intl to Grand Junction flights
Tucson to Colorado Springs flights
Sky Harbor Intl to Hayden flights
Sky Harbor Intl to Durango flights
Prescott to Denver flights
Las Vegas to Durango flights
Sky Harbor Intl to Montrose flights
Flagstaff to Denver flights
Sky Harbor Intl to Cortez flights
Tucson to Durango flights
Las Vegas to Grand Junction flights
Las Vegas to Montrose flights
Sky Harbor Intl to Gunnison flights
Tucson to Montrose flights
Las Vegas to Gunnison flights
Yuma to Denver flights

Top 4 airlines flying from Phoenix to Denver

Discover the top 4 airlines that operate flights from Phoenix 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$127FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$123Average$227FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$124Average$231FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$133Average$316FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.