A spacious airport terminal with clear signage for gates, a nursing room, and an animal relief area.

$54 Cheap Flights from Denver (DEN) to Phoenix (PHX)

View $54 flight on Wed, Jul 22, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Denver to Phoenix (DEN-PHX)

Prices were available within the past 7 days and start at $54 for one-way flights and $108 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Jul 29 - Sat, Aug 1
DEN
Denver
PHX
Phoenix
$108 Roundtrip, found 2 hours ago
$108
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Jul 29 from Denver to Phoenix, returning Sat, Aug 1, priced at $108 found 2 hours ago
Frontier Airlines
Wed, Jul 22 - Wed, Jul 29
DEN
Denver
PHX
Phoenix
$118 Roundtrip, just found
$118
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jul 22 from Denver to Phoenix, returning Wed, Jul 29, priced at $118 just found
Frontier Airlines
Tue, Jul 28 - Sat, Aug 1
DEN
Denver
PHX
Phoenix
$120 Roundtrip, found 5 hours ago
$120
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Tue, Jul 28 from Denver to Phoenix, returning Sat, Aug 1, priced at $120 found 5 hours ago
Frontier Airlines
Wed, Sep 23 - Thu, Sep 24
DEN
Denver
PHX
Phoenix
$122 Roundtrip, found 1 hour ago
$122
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Sep 23 from Denver to Phoenix, returning Thu, Sep 24, priced at $122 found 1 hour ago
Frontier Airlines
Tue, Jul 28 - Thu, Aug 6
DEN
Denver
PHX
Phoenix
$124 Roundtrip, found 10 hours ago
$124
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Tue, Jul 28 from Denver to Phoenix, returning Thu, Aug 6, priced at $124 found 10 hours ago
Frontier Airlines
Tue, Sep 29 - Wed, Sep 30
DEN
Denver
PHX
Phoenix
$130 Roundtrip, found 1 hour ago
$130
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Sep 29 from Denver to Phoenix, returning Wed, Sep 30, priced at $130 found 1 hour ago
Southwest Airlines
Mon, Sep 14 - Wed, Sep 23
DEN
Denver
PHX
Phoenix
$225 Roundtrip, found 10 hours ago
$225
Roundtrip
found 10 hours ago
Select Southwest Airlines flight, departing Mon, Sep 14 from Denver to Phoenix, returning Wed, Sep 23, priced at $225 found 10 hours ago
United
Tue, Sep 15 - Sat, Sep 19
DEN
Denver
PHX
Phoenix
$241 Roundtrip, just found
$241
Roundtrip
just found
Select United flight, departing Tue, Sep 15 from Denver to Phoenix, returning Sat, Sep 19, priced at $241 just found
American Airlines
Tue, Sep 15 - Sat, Sep 19
DEN
Denver
PHX
Phoenix
$241 Roundtrip, just found
$241
Roundtrip
just found
Select American Airlines flight, departing Tue, Sep 15 from Denver to Phoenix, returning Sat, Sep 19, priced at $241 just found
Delta
Mon, Sep 14 - Wed, Sep 23
DEN
Denver
PHX
Phoenix
$245 Roundtrip, found 10 hours ago
$245
Roundtrip
found 10 hours ago
Select Delta flight, departing Mon, Sep 14 from Denver to Phoenix, returning Wed, Sep 23, priced at $245 found 10 hours ago

Alternative airports near Phoenix

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

Select flight to Sky Harbor Intl. PHX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $205
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $205

What you need to know for your flight from Denver Intl. to Sky Harbor Intl.

Denver (DEN) to Phoenix (PHX) at a glance

Travel from Denver (DEN) to Phoenix (PHX) with a range of airlines covering this popular domestic route. Explore options from both full-service and budget carriers to discover the best fares, schedules, and itineraries that align with your travel needs. Whether you're seeking the cheapest flights from Denver or specific flight times, you'll find all the essential information for your journey from Denver International Airport to Sky Harbor International Airport as you prepare to enjoy the attractions and neighborhoods of Phoenix.

  • Fastest flight duration: around 2 hours non-stop
  • Route distance: roughly 600 miles (970 km)
  • Flights per week: around 100+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $40–$270, depending on seasonality and how far ahead you book

Flights from Denver International Airport (DEN) to Sky Harbor International Airport (PHX)

Based on the latest traveler bookings, here are the top airlines favored for flights from Denver to Phoenix, particularly for non-stop and one-stop options. Popular layovers include Harry Reid International Airport (LAS, approximately 1 hour 45 minutes), San Diego International Airport (SAN, around 1 hour 15 minutes), and Salt Lake City International Airport (SLC, about 2 hours). These choices offer the flexibility to tailor your trip by balancing price, total travel time, and cabin class to discover the ideal itinerary.

  • Frontier Airlines: This low-cost airline provides both non-stop and one-stop flights, with one-way ticket prices generally between $40 and $200. It represents about 28% of departures for this route, typically taking around 2 hours for non-stop flights.
  • Southwest Airlines: Another budget-friendly option, Southwest offers both non-stop and one-stop services. One-way fares usually range from $70 to $360, making up approximately 28% of departures on this route, with a typical non-stop flight duration of 2 hours.
  • United: As a full-service airline, United provides both non-stop and one-stop options. One-way tickets generally cost between $70 and $340, accounting for around 26% of departures here, with a standard non-stop journey time of 2 hours.
  • American Airlines: This full-service carrier features non-stop flights, with one-way fares usually falling between $65 and $295. It constitutes about 17% of departures on this route, with a total travel time of approximately 2 hours.
  • Alaska Airlines: Offering one-stop service, Alaska Airlines is a full-service carrier with one-way fares typically ranging from $95 to $175. It accounts for roughly 1% of departures on this route, with an in-flight duration of 3 hours and 45 minutes, leading to a total journey time of about 5 hours and 45 minutes, including layover.

Travelers flying from Denver to Phoenix have the option to upgrade to first class with United or American Airlines for a more comfortable journey.

Best time to fly from Denver (DEN) to Phoenix (PHX)

The most popular months for travelers flying from Denver to Phoenix are February, March, and April, when peak temperatures in Phoenix reach up to 74.5°F in April. If you prefer quieter travel, consider August, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 94.8°F. For better deals, May usually offers the lowest average one-way fare around $123. Flight availability peaks in October, with approximately 118 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: May usually offers good deals with average one-way fare around $123, roughly 6% cheaper than the yearly average.
  • More budget-friendly months to fly: January, August, and October typically offer average one-way fares of around $126.
  • Most flight options: October has the highest number of flights from Denver to Phoenix, with approximately 118 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January55.4°F (13.0°C)Average87$126
February58.6°F (14.8°C)High97$126
March66.0°F (18.9°C)High113$142
April74.5°F (23.6°C)High107$128
May82.0°F (27.8°C)Average111$123
June92.3°F (33.5°C)Low94$140
July95.7°F (35.4°C)Average93$147
August94.8°F (34.9°C)Low86$126
September89.8°F (32.1°C)Low100$126
October77.7°F (25.4°C)Average118$126
November65.5°F (18.6°C)Average115$137
December55.4°F (13.0°C)Average112$131

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Denver (DEN) to Phoenix (PHX)

  • Denver to Mesa (DEN-AZA): Mesa Gateway Airport (AZA) is located approximately 22 miles from Sky Harbor International Airport (PHX) in Phoenix.

How to find the best prices for flights from Denver (DEN) to Phoenix (PHX)

Getting some of the best deals on flights from Denver to Phoenix is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures between 5 am and 12 pm tend to be less expensive and are also the most popular. Additionally, flying on Saturday generally offers lower prices, while Friday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sky Harbor International Airport from Denver International Airport

Phoenix welcomes travelers from Denver with a range of transport options based on price, convenience, and proximity. Here's how to reach Phoenix efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Phoenix, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Sky Harbor International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sky Harbor International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Sky Harbor International Airport, Terminal 3 Station, a metro station, is located about 0.1 miles away on foot, while Phoenix Airport Bus Stop, a bus station, is about 0.2 miles away on foot, providing convenient access to public transportation options for travelers.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) cost?
You can find cheap one-way flights from $54 and cheap return flights from $108 Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) with Expedia. One-way flights generally range between $94 and $1207, and roundtrip flights usually range from $132 to $1470. 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 Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor 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 Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The cheapest month to fly from DEN to PHX is July when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
3 airlines operate nonstop service from DEN to PHX:

  • United operates around 60 direct flights from DEN to PHX every week
  • American Airlines operates around 32 direct flights from DEN to PHX every week
  • Frontier Airlines operates around 36 direct flights from DEN to PHX every week

What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
American Airlines is one of the cheapest airlines offering nonstop flights from Denver Intl. (DEN) to Sky Harbor Intl. (PHX), with round-trip tickets starting from around $129. 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 Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor 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 Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The best airline to fly with from Denver, CO (DEN) to Phoenix, AZ (PHX) 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 also offers the most daily flights from DEN to PHX, 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 Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
There are approximately 29 nonstop flights per day from Denver Intl. (DEN) to Sky Harbor Intl. (PHX). For more options, look at flights that include layovers.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The earliest flight from Denver International Airport (DEN) to Sky Harbor International Airport (PHX) usually departs at around 12:00 AM. This flight is operated by Frontier Airlines, providing you with a late-night option to start your journey to Phoenix. 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 Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The most popular departure times for flights from Denver, CO (DEN) to Phoenix, AZ (PHX) are in the early morning, from 6am to 9am. About 27% of passengers prefer 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 arrive in Phoenix early and enjoy the day.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
A nonstop flight from DEN to PHX typically takes around 2 hours, covering approximately 601 miles. Connecting flights on this route usually add 7 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 Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Business class seats are offered on the DEN to PHX route with American Airlines.First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How much is a business class flight from Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
A direct, return business class ticket from Denver (DEN) to Phoenix (PHX) typically costs between $981 - $1,457. A non-stop, one-way business class flight is usually around $392 - $558. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor 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 Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor 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 Phoenix from Denver Intl. (DEN)?
From Denver Intl. (DEN), you can fly into Sky Harbor Intl. (PHX) to reach Phoenix. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), Palm Springs Intl. (PSP) before reaching Phoenix. 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 Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor 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 Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) Phoenix 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 Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Phoenix, AZ (PHX-Sky Harbor 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

0
Origin airport
Denver Intl.
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, KEY LIME AIR DBA DENVER AIR CONNECTION, Southwest Airlines, United
Roundtrip price
$108
Distance
601 mi

Book with confidence

Denver to Phoenix Flights

The cheapest times to fly from Denver to Phoenix

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Phoenix are during the month of July. You can find some of the cheapest flights from Denver to Phoenix with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Phoenix

Sunday is one of the best days to book for cheap flights from Denver to Phoenix: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Phoenix

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Phoenix in 2026. You can also book with separate airlines for your outbound and return journeys, from $54 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Phoenix flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Phoenix airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Denver to Phoenix Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia