Friday is generally a great day to depart. Flying on this day could help you save up to 51%.
Our data shows that February tends to be the cheapest month to fly to St. Louis from Great Falls. Users have commonly found prices around $705 for the month, but tickets can be as low as $362. Due to multiple factors, prepare for potentially higher prices in July.
One of the essential ways to save on airfare from Great Falls to St. Louis 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 16% on airfare.