One of the essential ways to save on airfare from St. Louis to Lyon is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 29% on airfare.
Users have found that flying from St. Louis to Lyon on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.