Cheap flights from Denver to Sioux Falls from $69

The cheapest month to fly to Sioux Falls from Denver 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’re not able to fly to Sioux Falls in July, then June is your next best option. Flight prices from Denver to Sioux Falls during June average around $176.

The cheapest day to depart on your flight to Sioux Falls is on a Monday when prices can be found for as low as $170. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday 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 $304.

Our most recent data shows that the best time of day to fly to Sioux Falls is in the morning. Flights from Denver to Sioux Falls during this time can be as low as $173. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $323 on average. Flights to Sioux Falls from Denver at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Sioux Falls from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Sioux Falls for around $228 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sioux Falls from Denver for as low as $147 on momondo.

There are 2 cabin classes available to choose from on Denver Intl to Sioux Falls Joe Foss Field flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Frontier is the most popular carrier operating from Denver Intl to Sioux Falls Joe Foss Field

United Airlines, Frontier and Denver Air Connection are the top three most popular airlines that fly to Sioux Falls from Denver according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Sioux Falls. Keep in mind that there are 3 different airlines that fly to Sioux Falls on a routine basis, so you have a few additional options to choose from.

The number of flights available between Denver and Sioux Falls is 4 per day as of March 2026. The most frequent departure time is 9:00PM, with 65% of daily flights leaving in the evening.

The number of flights available between Denver and Sioux Falls is 32 per week as of March 2026. The most frequent departure day is Mon, with 25% of weekly flights leaving on this day.