Costco Gas PriceNow

Costco gas prices in Chicago

Chicago stations

Costco Chicago South Loop1430 S Ashland Ave
$4.299
Costco Lincoln Park2746 N Clybourn Ave
$4.399

Regular per gallon · updated July 22, 2026

Chicago has 2 Costco gas stations, and today the cheapest regular among them is $4.299/gal at Costco Chicago South Loop. The board compares them side by side — tap a station for its full price history and hours. Chicago Costco regular prices have climbed about $0.050 per gallon over the past month, from $4.299 to $4.349. Premium is up $0.200 over the same stretch, now at $5.599.

30-day price trend

Regular$4.349Premium$5.599
4.004.505.005.50Jun 23Jun 30Jul 8Jul 15Jul 22$5.599$4.349
Average posted price across the 2 Costco stations in Chicago, past 30 days ($/gal).
View price history as a table
DateRegularPremium
July 22, 2026$4.349$5.599
July 21, 2026$4.299$5.539
July 20, 2026$4.249$5.439
July 19, 2026$4.199$5.439
July 18, 2026$4.199$5.439
July 17, 2026$4.199$5.439
July 16, 2026$4.199$5.389
July 15, 2026$4.199$5.389
July 14, 2026$4.164$5.389
July 13, 2026$4.199$5.499
July 12, 2026$4.199$5.489
July 11, 2026$4.199$5.489
July 10, 2026$4.199$5.489
July 9, 2026$4.179$5.399
July 8, 2026$4.039$5.189
July 7, 2026$3.999$5.149
July 6, 2026$4.029$5.179
July 5, 2026$4.014$5.129
July 4, 2026$3.959$5.079
July 3, 2026$3.929$5.079
July 2, 2026$3.974$5.179
July 1, 2026$4.049$5.149
June 30, 2026$4.049$5.199
June 29, 2026$4.149$5.324
June 28, 2026$4.249$5.389
June 27, 2026$4.249$5.439
June 26, 2026$4.299$5.539
June 25, 2026$4.324$5.579
June 24, 2026$4.299$5.479
June 23, 2026$4.299$5.399

All stations in Chicago

All 2 stations, sorted by regular price from lowest to highest, comparing every fuel. Prices in $/gal.

RankStationRegularPremium
1Costco Chicago South LoopChicago$4.299$5.599
2Costco Lincoln ParkChicago$4.399$5.599