Cheap flights from South Dakota to Denver from $93

The cheapest month to fly to Denver from South Dakota is in July. Flight prices, which tend to average around $156, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in July, then you should wait until August to fly from South Dakota, when ticket prices are also cheap, with an average price of $158.

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $321. 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 $461.

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $184. Flights in the morning are often more expensive with an average ticket price of $416.

Fly from Sioux Falls Joe Foss Field to Denver Intl for the best South Dakota - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from South Dakota when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $216 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from South Dakota for as low as $162 on momondo.

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

United Airlines, Delta, and American Airlines are the most popular carriers operating from South Dakota to Denver Intl

United Airlines, Frontier and Denver Air Connection are the top three most popular airlines that fly to Denver from South Dakota according to our data. United Airlines 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 3 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

As of March 2026, there are 13 flights per day flying from South Dakota to Denver. The most common time of day flights depart is 5:00PM, with 50% of flights taking off in the afternoon.

As of March 2026, 97 flights take off from South Dakota and land in Denver each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.