Cheap flights from Dallas to Denver from $34

The cheapest month to fly to Denver from Dallas is in January. Flight prices, which tend to average around $146, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until February to fly from Dallas, when ticket prices are also cheap, with an average price of $152.

The cheapest day to depart on your flight to Denver is on a Saturday when prices can be found for as low as $191. 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 Monday, with ticket prices averaging around $273.

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $193. Flights in the afternoon are often more expensive with an average ticket price of $296.

Fly from Dallas/Fort Worth to Denver Intl for the best Dallas - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $178 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Dallas for as low as $148 on momondo.

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

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

Frontier, American Airlines and Southwest are the top three most popular airlines that fly to Denver from Dallas according to our data. Frontier is the first choice among our users, with 59% 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.

Historically, on average around 22% of flights between Dallas and Denver have experienced a delay on any given week. The average delay length over the past 12 months has been 136 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.

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

According to our data, Frontier have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

35 flights are operational daily from Dallas to Denver as of March 2026. The most popular departure time for this route is 4:00PM, with 37% of flights per day taking off in the afternoon.

As of March 2026, 248 flights take off from Dallas and land in Denver each week. The most common flight departure day for this route is Fri, with 23% of weekly flights taking off on this day.