Illinois Aviation Frequencies

Chicago Center
Chicago – 127.8 125.2
Aurora – 123.75
Burlington – 135.6
Cedar Rapids – 132.8
Chicago Heights – 132.95
Crown Point – 127.8
Danville – 135.75
Des Moines – 127.05
Des Plaines – 133.2 128.65 120.35
Downers Grove – 135.75 127.6
Dubuque – 127.775 133.95 125.225
Ft. Wayne – 126.325 119.85
Goshen – 133.9 135.9 127.55
Grand Rapids – 126.125 134.95
Hampshire – 134.2 133.35
Horicon – 135.55 132.75 132.225
Jones – 125.975 120.225
Kankakee – 132.5 120.125 118.225
Lafayette – 123.85
Leroy – 119.225
Lone Rock – 133.3
Maple Park – 127.075
Milford – 135.4 132.5 127.45 125.05 120.175 121.275
Milwaukee – 134.75 132.3 125.1
Moline – 135.825 118.75
Monee – 133.425
Muskegon – 132.275
Oshkosh – 132.1 127.0
Ottumwa – 118.15
Pullman – 128.5
Rockford – 120.375
Rossville – 125.375 120.975
South Bend – 135.35
Volk Fld – 125.05
Washington – 134.325 133.35 125.575

Chicago O’hare International Airport (KORD)
UNICOM: 122.95
WX ASOS: PHONE 773-462-0118
O HARE GROUND: 121.675 121.75 121.9
O HARE TOWER: 127.925
CHICAGO APPROACH: 119.0(360-179) 133.625(180-359) 284.0(180-359) 349.0(SOUTH) 393.1(360-179) 121.15 124.35 125.7(180-359)
CHICAGO DEPARTURE: 125.0(340-159) 125.4(220-339) 126.625(160-219) 269.5(160-219) 307.2(220-339) 337.4(340-159) 349.0(SOUTH)
CLEARANCE DELIVERY: 119.25
ALCP: 252.1
CLASS B: 120.55(NORTH) 133.5(SOUTH) 133.625(180-359) 284.0(180-359) 290.2(NORTH)
CLASS B IC: 119.0(360-179) 393.1(360-179)
CLASS B/S: 134.4
CLNC DEL/P: 121.6
CON CENTER (INBOUND): 121.9
CON CENTER (OUTBOUND): 121.75
D-ATIS: 135.4(773-601-8921) 282.225
EMERG: 121.5 243.0
METERING: 121.675
O’HARE TWR CENTER GND/P: 226.675
O’HARE TWR CENTER LCL/P: 120.75 126.9 132.7 348.0
O’HARE TWR LCL/P: 128.15 RY 9L/27R
O’HARE TWR NORTH GC/P: 124.125
PTC/S: 119.25
VFR ADV: 126.8

Chicago Midway International Airport (KMDW)

UNICOM: 122.95
WX ASOS: PHONE 773-581-8094
MIDWAY GROUND: 121.65
MIDWAY TOWER: 118.7 353.87
CHICAGO APPROACH: 118.4 126.05
CHICAGO DEPARTURE: 118.4 126.05
CLEARANCE DELIVERY: 121.85
PRE-TAXI CLEARANCE: 121.85
CLASS C: 353.87
CLASS C IC: 119.45
CLASS C/S: 135.2
D-ATIS: 132.75

Also, the ARTCC ( centers ) are listed in the state they are based. Be sure to check adjacent states for some other frequencies in your area.

If you have a frequency list for Illinois, Please email it to: mgdell@gmail.com