Question : How many days should you spend in Sioux Falls if you're flying in from Colorado Springs?
Answer : Of course you're not most people, but if you were, you'd stay roughly four days.
Question : Is price more important than specific travel days for you?
Answer : Tuesday is your lowest-cost day to fly in December. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : Do prices change more for this route than others?
Answer : Prices are fluctuating a lot more for this route than most. The further out you book a route, the more likely you are to save.