Towered Airports in Illinois

Each field’s tower frequency and longest runway, from the FAA’s NASR data (cycle 2026-09-03). Many towers close at night and the airspace changes with them, so check the tower hours in the Chart Supplement before you plan an arrival. For every field in Illinois, see Illinois airports.

KSPI Abraham Lincoln Capital AirportSpringfield · 598 ft MSLTower 121.3Longest 8,001 × 150 ft · Concrete KARR Aurora Municipal AirportChicago/Aurora · 712 ft MSLTower 120.6Longest 6,501 × 100 ft · Concrete KBMI Central Illinois Regional Airport at Bloomington-NormalBloomington/Normal · 871 ft MSLTower 124.6Longest 8,000 × 150 ft · Concrete KPWK Chicago Executive AirportChicago/Prospect Heights/Wheeling · 647 ft MSLTower 119.9Longest 5,001 × 150 ft · Asphalt KMDW Chicago Midway International AirportChicago · 620 ft MSLTower 135.2Longest 6,522 × 150 ft · Concrete KORD Chicago O'Hare International AirportChicago · 680 ft MSLTower 120.75Longest 13,000 × 150 ft · Concrete KRFD Chicago Rockford International AirportChicago/Rockford · 742 ft MSLTower 118.1Longest 10,002 × 150 ft · Asphalt KDEC Decatur AirportDecatur · 682 ft MSLTower 118.9Longest 8,496 × 150 ft · Asphalt KDPA Dupage AirportChicago/West Chicago · 759 ft MSLTower 120.9Longest 7,571 × 150 ft · Concrete KPIA General Wayne A. Downing Peoria International AirportPeoria · 660 ft MSLTower 124.0Longest 10,104 × 150 ft · Concrete KMLI Quad City International AirportMoline · 590 ft MSLTower 119.4Longest 10,002 × 150 ft · Asphalt KBLV Scott AFB/Midamerica AirportBelleville · 459 ft MSLTower 128.25Longest 10,000 × 150 ft · Concrete KMDH Southern Illinois AirportMurphysboro · 411 ft MSLTower 125.35Longest 6,506 × 100 ft · Asphalt KCPS St Louis Downtown AirportCahokia/St Louis · 413 ft MSLTower 119.925Longest 7,002 × 150 ft · Asphalt KALN St Louis Regional AirportAlton/St Louis · 544 ft MSLTower 126.0Longest 8,099 × 150 ft · Asphalt KCMI University of Illinois Willard AirportSavoy · 755 ft MSLTower 120.4Longest 8,101 × 150 ft · Concrete KMWA Veterans Airport of Southern IllinoisMarion · 472 ft MSLTower 128.4Longest 8,012 × 150 ft · Asphalt KUGN Waukegan National AirportChicago/Waukegan · 727 ft MSLTower 120.05Longest 6,001 × 150 ft · Asphalt