Spirit of St Louis Airport
KSUS is the ICAO code for Spirit of St Louis Airport (IATA SUS), located in St Louis, MO.
The primary general aviation airport for St. Louis, located in Chesterfield, MO, about 20 miles west of downtown.
Airport guide
Spirit of St Louis Airport is a dedicated general aviation facility with no commercial airline traffic. That means no TSA lines, no gate holds, and no competition with airline operations for ramp space. The airport sits in Chesterfield, in St. Louis County's western suburbs, which puts it closer to many corporate campuses and affluent residential areas than Lambert International.
The airport has multiple FBOs on field offering full-service handling, fuel, and passenger lounges. It handles significant charter and corporate traffic and is well-staffed for private aviation needs. There are no slot requirements and no prior permission needed for domestic arrivals or departures.
Getting there
Downtown St. Louis is about 20 miles east, typically 25 to 35 minutes by car depending on traffic on I-64. The Clayton business district, St. Louis County's commercial center, is roughly 12 miles away and takes 15 to 20 minutes. Chesterfield's own business parks and hotels are within 5 miles of the field. Car service and black car providers serve the airport routinely. Lambert International Airport is about 15 miles northeast if passengers need to connect to commercial flights.
Rankings history
KSUS's monthly position in the AceJet US business-aviation airport ranking. The ranking counts every observed private-jet movement — arrivals and departures — not just empty legs. See the full ranking →
| Month | Rank | Flights |
|---|---|---|
| 2025-12 | #36 | 460 |
| 2025-11 | #40 | 463 |
| 2025-10 | #37 | 492 |
| 2025-09 | #37 | 451 |
| 2025-08 | #46 | 412 |
| 2025-07 | #45 | 448 |
| 2025-06 | #35 | 304 |
| 2025-05 | #46 | 362 |
| 2025-03 | #36 | 464 |
| 2025-02 | #43 | 369 |
| 2025-01 | #44 | 318 |
| 2024-12 | #38 | 341 |
Charter operators (4)
Empty legs departing (4)
Empty legs arriving (4)
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Frequently asked questions about Spirit of St Louis Airport
What is KSUS airport?
KSUS is the ICAO code for Spirit of St Louis Airport, in St Louis, MO.
What does SUS stand for?
SUS is the IATA code for Spirit of St Louis Airport (KSUS) in St Louis, MO.
Where is Spirit of St Louis Airport?
Spirit of St Louis Airport is located in St Louis, MO.
What time does Spirit of St Louis Airport open?
Spirit of St Louis Airport operates 24/7.
What FBOs are at Spirit of St Louis Airport?
Spirit of St Louis Airport has 3 FBOs: Aero Charter, Million Air, Signature Flight Support.