Question : If your plans are flexible, have you considered changing your departure day?
Answer : The lowest-cost day to fly in August is Friday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.
Question : What day in the next four weeks has the best fares?
Answer : As of Jul 17th, the cheapest day to fly from Sioux Falls to Saint Louis is Jul 27th. Tickets are currently being sold for $257, which is 29% below the average price for this route.
Question : How many days should you spend in Saint Louis?
Answer : Travelers from FSD to STL stay four days on average.
Question : Are you paying the cheapest or highest price for your ticket to Saint Louis?
Answer : Flight prices change much more than most routes in the United States for FSD to STL. They range anywhere from $257 to $1,368. Prices tend to be lower the further out you book.
Question : Over the coming months, which airline is getting their passengers to Lambert-St. Louis International Airport (STL) round-trip the cheapest?
Answer : American Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $257, while prices for other flights are as high as $1,368.