R24 068 Cheap flights to South Dakota

Watertown is about 50% more popular to visit than any other city in South Dakota, according to momondo users. When visiting Watertown, it is recommended to fly into Sioux Falls Airport, where you can typically get the cheapest prices and the most convenient travel options into the city.

The temperatures in South Dakota range from 12,2 °F to 71,6 °F depending on the time of year. The warmest month in South Dakota is July, and the coldest month in South Dakota is January. Those looking for a drier month during their visit should travel during the months of January, January, or February, when rain is least likely compared to the rest of the year.

United Airlines is the most popular airline offering flights to South Dakota, with 46% of our users opting to fly with them when travelling to South Dakota. Other popular options include Qatar Airways and KLM. There are a total of 5 different airlines flying to South Dakota.

Prices for flights to South Dakota are updated daily.

As of October 2026, there are 5 operators available to choose from for flights to South Dakota.

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to South Dakota.

The required travel and health documents for your South Dakota trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at South Dakota. We recommend that you seek guidance from your airline or a reliable third party such as IATA.