$33 Cheap Flights from Phoenix (PHX) to Denver (DEN)

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Denver Intl. Airport (DEN)

Cheap Flights from Phoenix to Denver (PHX-DEN)

Prices were available within the past 7 days and start at $33 for one-way flights and $66 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
American Airlines
United
Southwest Airlines
Delta

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) cost?
You can find cheap one-way flights from $33 and cheap return flights from $66 Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) with Expedia. One-way flights generally range between $110 and $1073, and roundtrip flights usually range from $193 to $1552. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
February is the cheapest month to fly from Phoenix, AZ (PHX) to Denver, CO (DEN), with average return fares around $182. This price is about 20% lower than the average throughout the year, as demand is generally lower during the winter months. Other budget-friendly months include September and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
Choose from 3 airlines operating direct flights from PHX to DEN:

  • United operates around 86 direct flights from PHX to DEN every week
  • American Airlines operates around 31 direct flights from PHX to DEN every week
  • Frontier Airlines operates around 36 direct flights from PHX to DEN every week

What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
JetBlue Airways is one of the cheapest airlines offering connecting flights from Sky Harbor Intl. (PHX) to Denver Intl. (DEN), with round-trip tickets starting from around $216. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
The best airline to fly with from Phoenix, AZ (PHX) to Denver, CO (DEN) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. WN offers the most daily flights from PHX to DEN, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
For flights from Phoenix to Denver, February and September are ideal months to consider. You can find return flights for about $182 in February, which is perfect for escaping the winter chill. September also provides good prices and a lovely transition into fall, making it a great time to visit Denver.*Prices based on flights available on Expedia in the last year.
How many flights per day from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
On average, there are around 32 nonstop flights per day from Sky Harbor Intl. (PHX) to Denver Intl. (DEN). For more options, look at flights that include layovers.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
The earliest flight from Sky Harbor International Airport (PHX) to Denver International Airport (DEN) typically departs at around 12:00 AM, operated by Frontier Airlines. An early flight allows you to arrive in Denver with a full day ahead of you. This service operates seasonally in March. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
For flights from Sky Harbor International Airport (PHX) to Denver International Airport (DEN), the most popular departure times are in the early morning, from 6am to 9am. About 26% of passengers choose this time window. Many major carriers, including Southwest Airlines and Frontier Airlines, offer flights during this window. This timing works well because it allows you to make the most of your day in Denver.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
A nonstop flight from PHX to DEN typically takes around 2 hours, covering approximately 601 miles. Connecting flights on this route usually add 6 hours to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
You can fly first class between PHX and DEN. First class cabins are available on:

  • Delta Air Lines
  • United Airlines
  • American Airlines

How much is a business class flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
A direct, return business class ticket from Phoenix (PHX) to Denver (DEN) typically costs between $966 - $1,466. A non-stop, one-way business class flight is usually around $479 - $698. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Denver from Sky Harbor Intl. (PHX)?
From Sky Harbor Intl. (PHX), you can fly into Denver Intl. (DEN) to reach Denver. Some flights may connect through major hubs like San Diego Intl. (SAN), Portland Intl. (PDX), Harry Reid Intl. (LAS) before reaching Denver. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) Denver Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, KEY LIME AIR DBA DENVER AIR CONNECTION, Southwest Airlines, United
Roundtrip price
$66
Distance
601 mi
Average flight time
2 hours 45 mins

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*Flight schedules are subject to change.

*Available to One Key members.

 

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