Airports Near O'Fallon
The closest airports to O'Fallon, Missouri: IATA codes, names and distances, each with a full airport guide covering terminals, lounges and transit.
The nearest airport to O'Fallon, Missouri is Spirit of St Louis Airport (SUS), about 11 mi (17 km) away — roughly 36 min by road. For long-haul flights, the main international gateway is Lambert St Louis International Airport (STL).
| Code | Airport | Distance | Transfer | Type |
|---|---|---|---|---|
| SUS | Spirit of St Louis AirportSt Louis, United States | 11 mi / 17 km | 36 min | Regional |
| STL | Lambert St Louis International AirportSt Louis, United States | 18 mi / 29 km | 35 min | International |
| CPS | St Louis Downtown AirportCahokia/St Louis, United States | 34 mi / 54 km | 1 hr | Regional |
| ALN | St Louis Regional AirportAlton/St Louis, United States | 35 mi / 57 km | 1 hr 4 min | Regional |
| IJX | Jacksonville Municipal AirportJacksonville, United States | 71 mi / 114 km | 2 hr 7 min | Regional |
| SAR | Sparta Community Hunter FieldSparta, United States | 71 mi / 114 km | 2 hr 7 min | Regional |
| GRE | Greenville AirportGreenville, United States | 71 mi / 115 km | 2 hr 8 min | Regional |
| FAM | Farmington Regional AirportFarmington, United States | 74 mi / 119 km | 1 hr 43 min | Regional |
Distances are straight-line; transfer times are road estimates. "Type" flags major/international gateways.
Which airport is best?
For the shortest transfer, Spirit of St Louis Airport (SUS) is the most convenient at about 11 mi out. If you're flying internationally or want the widest choice of routes, Lambert St Louis International Airport (STL) (18 mi) is the bigger gateway — worth the extra distance for long-haul or cheaper fares.
Getting to and from the airport
Taxis and ride-hailing serve every airport here, and the larger ones usually add a rail, metro or bus link into O'Fallon. Allow extra time in peak traffic. For exact routes, times and fares, open the airport guide — start with SUS.
Hotels near the airport
For early departures or late arrivals, a hotel near SUS saves a stressful morning transfer.
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Other cities these airports serve
Travel tips
Compare the total door-to-door time, not just the airfare — a cheaper flight into a distant airport can cost more once you add the transfer. Check whether your airport has a direct train or metro before defaulting to a taxi, and for international arrivals, confirm any visa or transit rules in advance.
Frequently asked questions
The nearest airport to O'Fallon is Spirit of St Louis Airport (SUS), about 11 mi (17 km) away — roughly 36 min by road.