| St. Louis Downtown Airport (Cahokia Heights) [CPS] | Airport Authority | 38.57166 | -90.15518 | 1 |
| Mid-America St. Louis Airport (Mascoutah) [BLV] | Public Safety / Airport Authority | 38.54172 | -89.84499 | 2 |
| St. Louis Downtown Airport (Cahokia Heights) [CPS] | Air | 38.52005 | -89.98399 | 45 |
| Mid-America St. Louis Airport (Mascoutah) [BLV] | Air | 38.43853 | -89.9588 | 20 |
| Mid-America St. Louis Airport (Mascoutah) [BLV] | Federal Government - Department of Homeland Security | 38.43853 | -89.9588 | 2 |
| St. Louis Downtown Airport (Cahokia Heights) [CPS] | Jet Aviation | 38.525 | -90.15597 | 2 |
| Mid-America St. Louis Airport (Mascoutah) [BLV] | Scott Air Force Base (SAFB) | 38.54172 | -89.84499 | 2 |
| Mid-America St. Louis Airport (Mascoutah) [BLV] | Businesses | 38.43853 | -89.9588 | 20 |
