Airports of Frontenac Closest ariports to Frontenac city: Lambert–St. Louis International Airport (distance 12.9 km / 8 mi) | ✈️ Book tickets Spirit of St. Louis Airport (distance 25.6 km / 15.9 mi) | ✈️ Book tickets St. Louis Downtown Airport (distance 28.9 km / 18 mi) | ✈️ Book tickets Alton Airport (distance 48.7 km / 30.3 mi) | ✈️ Book tickets Belleville Airport (distance 63.7 km / 39.6 mi) | ✈️ Book tickets Sparta Community Airport (distance 94.7 km / 58.8 mi) | ✈️ Book tickets Farmington Regional Airport (distance 95.9 km / 59.6 mi) | ✈️ Book tickets Municipal Airport (distance 115.8 km / 72 mi) | ✈️ Book tickets Jacksonville Municipal Airport (distance 126.1 km / 78.4 mi) | ✈️ Book tickets Vandalia Airport (distance 142.2 km / 88.4 mi) | ✈️ Book tickets Airports of Frontenac city on map: ☞ Show Map Find air tickets to Frontenac airport