Cheap flights from Denver to Phoenix from $55

If you are unable to visit Phoenix during the month of September, then departing from Denver during the month July is also very affordable. Most momondo users find prices during this month for around $171.

On average, the least expensive day to fly to Phoenix from Denver is on a Saturday. momondo users have found tickets for Saturday departures for as low as $197. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $234.

The cheapest time of day to fly to Phoenix is in the evening when flights can be purchased for as low as $180. At noon is when there is more demand to fly to Phoenix, so prices are often more expensive at around $235 per ticket.

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

You are more likely to see cheaper flights to Phoenix from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix for around $190 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix from Denver for as low as $151 on momondo.

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

Frontier, Southwest, and United Airlines are the most popular carriers operating from Denver Intl to Phoenix

Frontier, Southwest and United Airlines are the top three most popular airlines that fly to Phoenix from Denver according to our data. Frontier is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Phoenix. Keep in mind that there are 5 different airlines that fly to Phoenix on a routine basis, so you have a few additional options to choose from.

Historically, on average around 19% of flights between Denver and Phoenix have experienced a delay on any given week. The average delay length over the past 12 months has been 129 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

The number of flights available between Denver and Phoenix is 40 per day as of April 2026. The most frequent departure time is 7:00AM, with 38% of daily flights leaving in the afternoon.

As of April 2026, there are 283 flights per week flying from Denver to Phoenix. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.