| - Springfield, IL - Capital Airport
FAA / IATA Airport Code: SPI
Springfield, IL
- Jacksonville Municipal Airport
FAA / IATA Airport Code: IJX
Jacksonville, IL
- Decatur Municiple Airport
FAA / IATA Airport Code: DEC
Decatur, IL
- Peoria, IL - Greater Peoria Airport
FAA / IATA Airport Code: PIA
Peoria, IL
- Normal Airport
FAA / IATA Airport Code: BMI
Bloomington, IL
- St. Louis Regional Airport
FAA / IATA Airport Code: ALN
Alton IL-St. Louis, IL
- Macomb Municipal Airport
FAA / IATA Airport Code: MQB
Macomb, IL
- Univ Of Illinois-Willard Airport
FAA / IATA Airport Code: CMI
Champaign, IL
- Coles County Memorial Airport
FAA / IATA Airport Code: MTO
Mattoon-Charleston, IL
- St Louis, MO - Lambert-St Louis Internatl
FAA / IATA Airport Code: STL
St Louis, MO
- Quincy, IL - Baldwin Field
FAA / IATA Airport Code: UIN
Quincy, IL
- Galesburg, IL - Galesburg Municiple Airport
FAA / IATA Airport Code: GBG
Galesburg, IL
- Salem-Leckrone Airport
FAA / IATA Airport Code: SLO
Salem, IL
- St. Louis Downtown Airport
FAA / IATA Airport Code: CPS
Cahokia IL-St. Louis, IL
- Centralia Municipal Airport
FAA / IATA Airport Code: ENL
Centralia, IL
- Spirit of St. Louis Airport
FAA / IATA Airport Code: SUS
St. Louis, MO
- Burlington Municipal Airport
FAA / IATA Airport Code: BRL
Burlington, IA
- Keokuk Municipal Airport
FAA / IATA Airport Code: EOK
Keokuk, IA
- Fort Madison Municipal Airport
FAA / IATA Airport Code: FMS
Fort Madison, IA
- Illinois Valley Regional-Walter A Duncan Field Airport
FAA / IATA Airport Code: VYS
Peru, IL
- Vermilion County Airport
FAA / IATA Airport Code: DNV
Danville, IL
- Mount Vernon, IL - Mount Vernon Outland Airport
FAA / IATA Airport Code: MVN
Mount Vernon, IL
- Moline, IL - Quad City Airport
FAA / IATA Airport Code: MLI
Moline, IL
- Terre Haute, IN - Hulman Field
FAA / IATA Airport Code: HUF
Terre Haute, IN
- Greater Kankakee Airport
FAA / IATA Airport Code: IKK
Kankakee, IL
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