| - Mount Vernon, IL - Mount Vernon Outland Airport
FAA / IATA Airport Code: MVN
Mount Vernon, IL
- Centralia Municipal Airport
FAA / IATA Airport Code: ENL
Centralia, IL
- Salem-Leckrone Airport
FAA / IATA Airport Code: SLO
Salem, IL
- Marion, IL
FAA / IATA Airport Code: MWA
Marion, IL
- Carbondale, IL - Southern Illinois Airport
FAA / IATA Airport Code: MDH
Carbondale, IL
- St. Louis Downtown Airport
FAA / IATA Airport Code: CPS
Cahokia IL-St. Louis, IL
- St. Louis Regional Airport
FAA / IATA Airport Code: ALN
Alton IL-St. Louis, IL
- Lawrenceville-Vincennes International Airport
FAA / IATA Airport Code: LWV
Lawrenceville, IL
- Evansville Regional Airport
FAA / IATA Airport Code: EVV
Evansville, IN
- Municipal Airport
FAA / IATA Airport Code: CGI
Cape Girardeau, MO
- St Louis, MO - Lambert-St Louis Internatl
FAA / IATA Airport Code: STL
St Louis, MO
- Coles County Memorial Airport
FAA / IATA Airport Code: MTO
Mattoon-Charleston, IL
- Paducah, KY
FAA / IATA Airport Code: PAH
Paducah, KY
- Cairo Regional Airport
FAA / IATA Airport Code: CIR
Cairo, IL
- Farmington Regional Airport
FAA / IATA Airport Code: FAM
Farmington, MO
- Spirit of St. Louis Airport
FAA / IATA Airport Code: SUS
St. Louis, MO
- Owensboro, KY
FAA / IATA Airport Code: OWB
Owensboro, KY
- Sikeston Memorial Municipal Airport
FAA / IATA Airport Code: SIK
Sikeston, MO
- Decatur Municiple Airport
FAA / IATA Airport Code: DEC
Decatur, IL
- Springfield, IL - Capital Airport
FAA / IATA Airport Code: SPI
Springfield, IL
- Terre Haute, IN - Hulman Field
FAA / IATA Airport Code: HUF
Terre Haute, IN
- Kyle-Oakley Field
FAA / IATA Airport Code: CEY
Murray, KY
- Jacksonville Municipal Airport
FAA / IATA Airport Code: IJX
Jacksonville, IL
- Univ Of Illinois-Willard Airport
FAA / IATA Airport Code: CMI
Champaign, IL
- French Lick Municipal Airport
FAA / IATA Airport Code: FRH
French Lick, IN
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