St Louis Downtown Airport KCPS
St Louis Downtown Airport (KCPS, CPS) is a towered airport in Cahokia/St Louis, Illinois, 413 feet above sea level. There are 3 runways; the longest is 12R/30L, 7,002 feet of asphalt, lighted. Approach and departure service comes from Saint Louis TRACON. The closest other airport on TowerScope is St. Louis Lambert International Airport (KSTL), 15 nautical miles northwest.
Runways
| Runway | Length | Surface | Lighted |
|---|---|---|---|
| 12R/30L | 7,002 ft | asphalt | Yes |
| 12L/30R | 5,301 ft | concrete | Yes |
| 05/23 | 2,799 ft | asphalt | No |
Frequencies
St Louis Downtown tower
- 118.275 Clearance delivery
- 119.925 CTAF, Tower
- 121.45 ATIS
- 121.8 Ground
- 122.95 UNICOM
- 379.3 Tower
Saint Louis TRACON approach control
- 119.15 arrivals on the BUUDD, FARMR
- 121.8 Clearance delivery
- 123.7 Approach and departure
- 128.1 arrivals on the DELMA, DIXEE
- 307.05 arrivals on the DELMA, DIXEE
- 335.5 arrivals on the BUUDD, FARMR
- 371.875 Approach and departure
From the FAA NASR 28-day data, cycle 2026-10-01. Check the Chart Supplement before use.
Location
38.5707, -90.1562. Field elevation 413 ft. Tower on field.
Nearby airports
- KSTL St. Louis Lambert International Airport 15 NM northwest
- KBLV Scott AFB/Midamerica Airport 15 NM east
- K1H0 Creve Coeur Airport 19 NM northwest
- KALN St Louis Regional Airport 20 NM north
- KSUS Spirit of St Louis Airport 24 NM west
- KSET St Charles County Regional Airport/Smartt Field 25 NM northwest
- KSAR Sparta Community Airport - Hunter Field 33 NM southeast
- KFYG Washington Regional Airport 39 NM west