The average Illinois price for a gallon of regular unleaded gasoline is $2.59. This is 8 cents more expensive than last week.
AAA reports the most expensive gasoline can be found in the City of Chicago, at $2.88 per gallon. By contrast, the cheapest gas is available in East St. Louis, at $2.45 per gallon.
Rockford’s average gas price is $2.48 per gallon. This is 3 cents more expensive than last week.