Fly from
Fly to
Route
Depart
Return
Price
BrusselsChicago
CRL - ORD
CRLORD
Charleroi Brussels
lun. 12/9
6:40 am-10:17 am
2 stops34h 37m
Chicago O'Hare Intl
mié. 5/14
6:00 pm-9:20 pm
1 stop20h 20m
BrusselsChicago
CRL - ORD
CRLORD
Charleroi Brussels
vie. 12/6
8:40 am-10:50 am
2 stops33h 10m
In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.
If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).