£83 Cheap Flights from Phoenix (PHX) to Denver (DEN)

View £83 flight on Wed, 20 May 2026Opens in a new window

Popular airlines from Sky Harbor International Airport (PHX) to Denver International Airport (DEN)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at £83 for one-way flights and £162 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 1 Aug - Sat, 15 Aug
PHX
Phoenix
DEN
Denver
£162 Return, found 4 days ago
£162
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 1 Aug from Phoenix to Denver, returning Sat, 15 Aug, priced at £162 found 4 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
PHX
Phoenix
DEN
Denver
£166 Return, found 4 days ago
£166
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 20 May from Phoenix to Denver, returning Wed, 27 May, priced at £166 found 4 days ago
Alaska Airlines
Sat, 13 Jun - Tue, 16 Jun
PHX
Phoenix
DEN
Denver
£171 Return, found 1 day ago
£171
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 13 Jun from Phoenix to Denver, returning Tue, 16 Jun, priced at £171 found 1 day ago
American Airlines
Tue, 30 Jun - Sat, 4 Jul
PHX
Phoenix
DEN
Denver
£177 Return, found 3 days ago
£177
Return
found 3 days ago
Select American Airlines flight, departing Tue, 30 Jun from Phoenix to Denver, returning Sat, 4 Jul, priced at £177 found 3 days ago
Delta
Tue, 30 Jun - Sat, 4 Jul
PHX
Phoenix
DEN
Denver
£181 Return, found 3 days ago
£181
Return
found 3 days ago
Select Delta flight, departing Tue, 30 Jun from Phoenix to Denver, returning Sat, 4 Jul, priced at £181 found 3 days ago
Alaska Airlines
Mon, 1 Jun - Tue, 2 Jun
PHX
Phoenix
DEN
Denver
£183 Return, found 5 days ago
£183
Return
found 5 days ago
Select Alaska Airlines flight, departing Mon, 1 Jun from Phoenix to Denver, returning Tue, 2 Jun, priced at £183 found 5 days ago
Alaska Airlines
Sat, 9 May - Sat, 16 May
PHX
Phoenix
DEN
Denver
£184 Return, found 1 day ago
£184
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 9 May from Phoenix to Denver, returning Sat, 16 May, priced at £184 found 1 day ago
American Airlines
Tue, 30 Jun - Sat, 4 Jul
PHX
Phoenix
DEN
Denver
£184 Return, found 3 days ago
£184
Return
found 3 days ago
Select American Airlines flight, departing Tue, 30 Jun from Phoenix to Denver, returning Sat, 4 Jul, priced at £184 found 3 days ago
United
Tue, 30 Jun - Sat, 4 Jul
PHX
Phoenix
DEN
Denver
£237 Return, found 3 days ago
£237
Return
found 3 days ago
Select United flight, departing Tue, 30 Jun from Phoenix to Denver, returning Sat, 4 Jul, priced at £237 found 3 days ago
JetBlue Airways
Mon, 1 Jun - Tue, 2 Jun
PHX
Phoenix
DEN
Denver
£543 Return, found 5 days ago
£543
Return
found 5 days ago
Select JetBlue Airways flight, departing Mon, 1 Jun from Phoenix to Denver, returning Tue, 2 Jun, priced at £543 found 5 days ago

Alternative airports near Denver

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

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city centre is 32 minutes. Flights from £183
DEN
Denver Intl.
Cheapest
Average driving time to city centre32 min
Flights from £183

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) cost?
One-way flights typically cost between £181 and £968 and return flights often range between £264 and £1,046. 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 Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
February is typically the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.), with average return fares of approximately £253. This is about 20% lower than the average price throughout the year. February often sees lower prices as it falls outside of peak holiday travel seasons, leading to reduced demand. Other cheap months to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) include September and October.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
Enter PHX to DEN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
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-Sky Harbor Intl.) (PHX) to Denver, CO (DEN-Denver Intl.) (DEN) will differ from traveller to traveller. If you like to fly early, AA offers early morning flights. If price is the most important factor, F9 typically offers the lowest fares. WN offers the most daily flights from Phoenix, AZ (PHX-Sky Harbor Intl.) (PHX) to Denver, CO (DEN-Denver Intl.) (DEN), which is brilliant 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.)?
Based on booking data from the past year, the cheapest months to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) are typically February and September, with average return flights around £253. While these months offer great value, the most popular times to travel, which means more flight options, are May and December. If you're looking for the best balance, consider that May and December offer plenty of choices, even if the prices might be a bit higher than in February or September.
How many flights per day from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
When flying from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.), you have plenty of options! There are approximately 26 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 159 connecting flights per day. Some common connection points include McCarran Intl. (LAS), Seattle - Tacoma Intl. (SEA), and San Diego Intl. (SAN).
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
The earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) typically departs at approximately 12:05 AM local time, operated by Frontier Airlines. This is a seasonal service active in March. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
You'll typically find the most flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) on a Sunday, with around 150 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include WN, AS, and F9. Sundays offer notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
The most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.) are in the morning, from 6am to 9am. About 27% of passengers prefer this time. Many major carriers, including Frontier Airlines and Southwest Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day, arriving in Denver with plenty of time for business or leisure activities.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver, CO (DEN-Denver Intl.)?
Flying nonstop from PHX to DEN takes around 2 hours, with the route covering approximately 601 miles. Flights with a layover typically take 4 hours 50 minutes longer than direct options. 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.)?
Select the "Business class" and "First class" filters when looking for PHX to DEN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
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 directly into Denver Intl. (DEN) to reach Denver. Some flights may connect through major hubs like Portland Intl. (PDX), San Diego Intl. (SAN), McCarran 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.) flight and hotel package 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, JetBlue Airways, United
Return price
£162
Distance
961 km
Average flight time
2 hours 45 mins

Book with confidence

Compare flights from Phoenix to Denver easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Phoenix to Denver. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Denver Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Sky Harbor Intl. to Denver Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Sky Harbor Intl. (PHX) to Denver Intl. (DEN)

The easiest way to view the best deals on flights from Phoenix to Denver today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Sky Harbor Intl. to Denver Intl. start at just £162 and range up to £543.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Phoenix and Denver
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Phoenix to Denver flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Sky Harbor Intl. to Denver Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Phoenix to Denver easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.