| - St Louis, MO - Lambert-St Louis Internatl
FAA / IATA Airport Code: STL St Louis, MO
- St. Louis Regional Airport
FAA / IATA Airport Code: ALN Alton IL-St. Louis, IL
- Spirit of St. Louis Airport
FAA / IATA Airport Code: SUS St. Louis, MO
- St. Louis Downtown Airport
FAA / IATA Airport Code: CPS Cahokia IL-St. Louis, IL
- Jacksonville Municipal Airport
FAA / IATA Airport Code: IJX Jacksonville, IL
- Springfield, IL - Capital Airport
FAA / IATA Airport Code: SPI Springfield, IL
- Centralia Municipal Airport
FAA / IATA Airport Code: ENL Centralia, IL
- Salem-Leckrone Airport
FAA / IATA Airport Code: SLO Salem, IL
- Quincy, IL - Baldwin Field
FAA / IATA Airport Code: UIN Quincy, IL
- Farmington Regional Airport
FAA / IATA Airport Code: FAM Farmington, MO
- Mount Vernon, IL - Mount Vernon Outland Airport
FAA / IATA Airport Code: MVN Mount Vernon, IL
- Decatur Municiple Airport
FAA / IATA Airport Code: DEC Decatur, IL
- Jefferson City Memorial Airport
FAA / IATA Airport Code: JEF Jefferson City, MO
- Carbondale, IL - Southern Illinois Airport
FAA / IATA Airport Code: MDH Carbondale, IL
- Columbia Regional Airport
FAA / IATA Airport Code: COU Columbia, MO
- Macomb Municipal Airport
FAA / IATA Airport Code: MQB Macomb, IL
- Marion, IL
FAA / IATA Airport Code: MWA Marion, IL
- Omar N. Bradley Airport
FAA / IATA Airport Code: MBY Moberly, MO
- Coles County Memorial Airport
FAA / IATA Airport Code: MTO Mattoon-Charleston, IL
- Keokuk Municipal Airport
FAA / IATA Airport Code: EOK Keokuk, IA
- Peoria, IL - Greater Peoria Airport
FAA / IATA Airport Code: PIA Peoria, IL
- Municipal Airport
FAA / IATA Airport Code: CGI Cape Girardeau, MO
- Ft Leonard Wood, MO - Forney Field
FAA / IATA Airport Code: TBN Ft Leonard Wood, MO
- Fort Madison Municipal Airport
FAA / IATA Airport Code: FMS Fort Madison, IA
- Normal Airport
FAA / IATA Airport Code: BMI Bloomington, IL
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