$60 Find Cheap Flights from Denver to Phoenix - Compare and Save

Among the kid-friendly airlines connecting from Denver and Phoenix, you may have to prioritize Frontier. The airline's “Kids Fly Free” program allows travelers who are members of the Discount Den travel club to travel with kids under 15 at no cost.

To fly with an eco-friendly airline from Denver and Phoenix, prioritize pre-booking your flight with Allegiant Air. The airline has significantly reduced its environmental impact by utilizing fuel-efficient aircraft, optimizing flight patterns, and implementing recycling programs.

While all modern airlines consider PRMs, Allegiant Air and Frontier offer some of the best accessibility features, even though the majority of airlines that fly from Denver and Phoenix take PRMs into account. These airlines grant priority boarding to PRMs to ensure comfort and inclusion during flights. Additionally, they have a team of well-trained and experienced staff whose primary duty is to ensure PRM-accessible services.

Sun Country Air is among the few pet-friendly airlines to consider for my flight from Denver and Phoenix with my furry friend. The airline's pet-friendly policy allows small caged pets weighing under 20 lbs to travel in-cabin, provided their carriers fit under the owners' seats. The policy also allows larger pets to travel in a pressure and temperature-controlled cargo hold as cargo.

Among airlines operating Denver to Phoenix flights:

• Frontier: offers free seat selection
• Southwest: offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

4 airlines operate flights between Denver and Phoenix. The airlines offering nonstop flights on this route include:

• Southwest
• United Airlines
• Frontier
• American Airlines

Flights from Denver to Phoenix usually depart from Denver Intl (DEN) and may arrive at several airports in Phoenix area, including Phoenix-Mesa Gateway (AZA), Phoenix Sky Harbor Intl (PHX) and Phoenix Scottsdale Municipal (SCF).

Here are some options for this route, based on selected ticket types and cabin classes:

• Frontier: a cabin bag and a checked bag in Economy Class
• Southwest: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Four cabin classes are available on flights from Denver to Phoenix:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $158 round-trip via Portland (PDX), compared to $197 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $31–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

One-stop flights from Denver to Phoenix most commonly connect through:

• Salt Lake City (SLC) - 59% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 21% of one-stop connections
• San Diego (SAN) - 14% of one-stop connections
• Portland (PDX) - 7% of one-stop connections

Salt Lake City (SLC) handles the largest share of one-stop connections on this route.

On the Denver to Phoenix route, being flexible with your departure day can save you up to 15%. Saturday is the cheapest day at $178 round-trip on average, while Friday is the most expensive at $208: a $30 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Denver to Phoenix route, 18% of flights were delayed in the past 3 months, with delays averaging 2 hours 7 minutes.

Morning is the busiest departure period on Denver to Phoenix flights, with 39% of flights leaving in that window. Afternoon departures account for 31%, evening flights for 23%, and night flights for 7%.

Some of the most popular sights in Phoenix are Phoenix Convention Center, Chase Field and Camelback Ranch. These are among the most viewed places in Phoenix on KAYAK.

These are the earliest and latest flight times available from Denver to Phoenix:

• Earliest: departs at 12:10 am and lands at 2:12 am
• Latest: departs at 10:47 pm and lands at 12:49 am.

The flight takes about 2h 02m.

Last-minute fares on this route - booked within 2 weeks of departure - run 30% above the route average of $197. Book 12 weeks before departure for the lowest fares.

A nonstop flight from Denver to Phoenix takes 2h 02m, covering 603 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

One-way fares from Denver to Phoenix are currently lower than usual. Average one-way flight prices are about $86, which is 39% below the typical average for this route.

United Airlines is slightly above the route average for timely arrivals, while Frontier has a lower on-time arrival rate. On-time arrival rates on Denver to Phoenix flights are:

• United Airlines: 86% on time
• Frontier: 85% on time
• American Airlines: 84% on time

Overall, flights on this route are on time 82% of the time on average.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via San Diego (SAN) gives the shortest average 1-stop total travel time at 5h 14m, compared with 6h 32m via Salt Lake City (SLC) and 7h 24m via Las Vegas Harry Reid Intl (LAS).

Phoenix is 1 hour behind Denver (Mountain Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Since Phoenix is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Phoenix Sky Harbor Intl Airport (PHX) — daily rates from around $18:

• NU Car
• Easirent
• Thrifty
• Dollar
• Hertz

Near Phoenix-Mesa Gateway Airport (AZA) — daily rates from around $28:

• Hertz
• Budget
• Alamo
• Thrifty
• Dollar

Round-trip flights from Denver to Phoenix range from $133 to $271, with an average of $197 over the past 12 months. Anything below $133 counts as a good deal.

Two airlines offer in-flight Wi-Fi on Denver to Phoenix flights:

• • American Airlines
• • JetBlue