Cheapest Costco Gas Prices in Chicago, IL
2 Costco Stations
IL Avg. Gas Prices
| Regular | Mid-Grade | Premium | Diesel | |
|---|---|---|---|---|
| Current Avg. | $3.713 | $4.198 | $4.626 | $4.054 |
| Yesterday Avg. | $3.713 | $4.198 | $4.626 | $4.054 |
| Week Ago Avg. | $3.757 | $4.238 | $4.675 | $4.085 |
| Month Ago Avg. | $3.399 | $3.865 | $4.307 | $4.043 |
| Year Ago Avg. | $3.643 | $4.095 | $4.511 | $4.281 |