Gas Prices in Chicago, IL
Updated April 5, 2026 · AAA data · Regular unleaded
Why Gas Prices in Chicago Vary
Gas prices in Chicago reflect a mix of local taxes, distance to fuel distribution terminals, station density, and real estate costs. As an urban market, Chicago typically runs 18¢ above the Illinois statewide average.
Prices at individual stations can vary by 5–15 cents within the same city depending on brand, location, and local competition. Use apps like GasBuddy to find the cheapest station near you in Chicago.
Frequently Asked Questions
What is the gas price in Chicago right now?
The average regular unleaded price in Chicago, Illinois is $4.470/gal as of April 5, 2026. Station prices vary — expect a range of roughly $4.370 to $4.590 across the metro area.
Is gas cheaper in Chicago or the suburbs?
Generally, suburban areas outside Chicago have slightly lower gas prices due to lower operating costs and property taxes. If you're near a highway interchange or warehouse district, you may find lower prices than the city center.
When is the cheapest day to buy gas in Chicago?
Nationwide data shows Monday and Tuesday tend to have slightly lower gas prices before weekly demand picks up. Avoid buying gas Thursday through Saturday when prices are typically higher.