Question : In the next four weeks, what day should you book your trip?
Answer : As of January 23rd, the best day for deals to Saint Louis (STL) from Sioux Falls (FSD) is February 10th. Bookings have been made roughly 15% below the average price for this route.
Question : Do travelers from Sioux Falls typically stay in Saint Louis for very long?
Answer : Over the next two months, passengers from FSD to STL are planning on staying for four days on average.
Question : Will you do what it takes to get the absolute cheapest flight?
Answer : Friday is your lowest-cost day to fly in February. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : How often are prices changing for this route?
Answer : Flight prices for FSD to STL change much more than most routes. Prices tend to be lower the further out you book.