Costco Illinois Gas Prices
Find the cheapest Costco gas in Illinois— every fuel center ranked by today's price.
24 Costco fuel centers in 21 cities · 0 of 24 sell diesel
Costco operates 24 fuel centers in Illinois across 21 cities, with the largest cluster in Chicago (3 stations). Across the state, regular gas averages $4.604 and premium runs about $1.149 higher at $5.754. The lowest-priced regular pump is at Costco Champaign in Champaign at $4.319, while Lincoln Park in Chicago sits about $0.880 higher. Across the state, regular pump prices have eased about $0.258 over the past month, from $4.862 a month ago. Premium has eased about $0.229 over the same period.
If your vehicle takes premium, the lowest in Illinois is Costco Loves Park in Loves Park at $5.249. Pump prices shift from one warehouse to the next with local taxes, fuel-blend rules, and transport costs, but Costco fuel is members-only and usually runs below nearby branded stations — which is what keeps these pumps busy.
30-day Illinois average price trend
Browse Illinois cities
All Illinois stations by price
| Station | Regular | Premium |
|---|---|---|
| Champaign Champaign | $4.319 | $5.299 |
| Loves Park Loves Park | $4.349 | $5.249 |
| Lake Zurich Lake Zurich | $4.369 | $5.599 |
| Mettawa Mettawa | $4.399 | $5.699 |
| Yorkville Yorkville | $4.449 | $5.729 |
| Bedford Park Business Center Chicago | $4.499 | $5.699 |
| Bloomingdale Bloomingdale | $4.499 | $5.499 |
| East Peoria East Peoria | $4.499 | $5.599 |
| Plainfield Plainfield | $4.499 | $5.859 |
| North Riverside North Riverside | $4.549 | $5.749 |