Cheap flights from Arizona to Denver from $57

The cheapest month to fly to Denver from Arizona is in October. Flight prices, which tend to average around $151, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in October, then you should wait until September to fly from Arizona, when ticket prices are also cheap, with an average price of $172.

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $245. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $330.

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $211. Flights at noon are often more expensive with an average ticket price of $400.

Fly from Phoenix Sky Harbor Intl to Denver Intl for the best Arizona - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Arizona when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $184 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Arizona for as low as $134 on momondo.

There are 4 cabin classes available to choose from on Arizona to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Arizona to Denver Intl

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Denver from Arizona according to our data. Frontier is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 5 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

As of July 2026, there are 78 flights per day flying from Arizona to Denver. The most common time of day flights depart is 1:00PM, with 41% of flights taking off at noon.

As of July 2026, there are 547 flights per week flying from Arizona to Denver. The most common day of the week flights depart is Fri, with 17% of flights taking off on this day.