Small airport · Cahokia/St Louis, United States
St Louis Downtown Airport
St Louis Downtown Airport is a small airport serving Cahokia/St Louis, United States. Its IATA code is CPS. Its ICAO code is KCPS. It has 3 runways, longest 7,002 ft (ASPH-F). Elevation 413 ft.
No freely licensed photograph of this airport is in our library yet — rather than borrow a picture of somewhere else, this profile leads with its verified facts.
Airport facts
| Location | Cahokia/St Louis, United States |
|---|---|
| IATA code | CPS |
| ICAO code | KCPS |
| Type | Small airport |
| Runways | 3 runways, longest 7,002 ft (ASPH-F) |
| Elevation | 413 ft |
| Coordinates | 38.5707° N, 90.1562° W |
Every fact above is taken from the sources listed below; anything no source states is left blank rather than guessed.
Landmarks near this airport
Famous landmarks close to St Louis Downtown Airport, by straight-line distance — each link opens its profile on our sister site LandmarkProfiles.
- Gateway Arch · United States · 4.0 miles away
National parks near this airport
National parks close to St Louis Downtown Airport, by straight-line distance — each link opens its profile on our sister site National Park Profiles.
- Frank Holten State Recreation Area · United States · 3.6 miles away
- Gateway Arch National Park · United States · 4.5 miles away
- Scott Joplin House State Historic Site · United States · 5.6 miles away
- Horseshoe Lake State Park · United States · 8.6 miles away
- Ulysses S. Grant National Historic Site · United States · 10.7 miles away
- Lewis and Clark State Historic Site · United States · 16.3 miles away
Airports nearby
The closest airports in this library, by straight-line distance.

St. Louis Lambert International Airport
16.9 miles awayScott AFB/Midamerica Airport
17.4 miles awaySt Louis Regional Airport
22.9 miles awaySpirit of St Louis Airport
27.5 miles awaySparta Community Airport - Hunter Field
38.3 miles awayMore airports in United States
More small airports
Frequently asked questions
What is the airport code for St Louis Downtown Airport?
St Louis Downtown Airport — its IATA code is CPS and its ICAO code is KCPS.
Where is St Louis Downtown Airport located?
St Louis Downtown Airport serves Cahokia/St Louis, United States. Its coordinates are 38.5707° N, 90.1562° W.
How high is St Louis Downtown Airport?
St Louis Downtown Airport sits at 413 feet above sea level.
Sources
- https://davidmegginson.github.io/ourairports-data/airports.csv#19540
- https://en.wikipedia.org/wiki/St._Louis_Downtown_Airport
Page last updated 13 November 2026.



