Cheap flights from Tucson to Denver from $139

The cheapest month to fly to Denver from Tucson is in February. Flight prices, which tend to average around $202, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in February, then you should wait until September to fly from Tucson, when ticket prices are also cheap, with an average price of $217.

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $398. 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 $514.

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $401. Flights at noon are often more expensive with an average ticket price of $507.

Fly from Tucson to Denver Intl for the best Tucson - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Tucson when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $293 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Tucson for as low as $210 on momondo.

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

No. A direct flight is the cheapest option for a flight between Tucson to Denver.

As of July 2026, prices for Tucson to Denver flights are approximately 24% cheaper when compared to flights at the same time last year.

Southwest, United Airlines, and Delta are the most popular carriers operating from Tucson to Denver Intl

United Airlines, Frontier and Southwest are the top three most popular airlines that fly to Denver from Tucson according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 4 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

6 flights are operational daily from Tucson to Denver as of July 2026. The most popular departure time for this route is 1:00PM, with 57% of flights per day taking off in the afternoon.

44 flights are operational weekly from Tucson to Denver as of July 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.