Departing on a Friday is a good option for securing a great price. You can expect to save up to 35% when planning your travel around this day of the week.
One of the essential ways to save on airfare from Knoxville to Sioux Falls is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 8% on airfare.
||$255||$416||No cancel fee||N/A|
||$258||$466||No cancel fee||69%|
||$309||$448||No cancel fee||71%|