Fly from
Fly to
Route
Depart
Return
Price
LondonChicago
SEN - ORD
SENORD
London Southend
Tue 12/10
7:50 pm-2:00 pm
2 stops24h 10m
Chicago O'Hare Intl
Sun 12/15
3:55 pm-11:40 am
2 stops13h 45m
LondonChicago
SEN - ORD
SENORD
London Southend
Mon 11/18
11:50 am-10:10 am
2 stops28h 20m
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).