Costco Gas Prices in Mount Prospect

Latest reported Costco fuel prices in Mount Prospect, Illinois.

Stations: 1
Avg. Regular: $4.499
Lowest Regular: $4.499
Avg. Diesel: N/A

Costco Gas Stations (1)

Costco Mt Prospect

999 N Elmhurst Rd, Mount Prospect, Illinois 60056-1133

Regular

$4.499

Premium

$5.699

Diesel

N/A

Updated Oct 25, 2026View details →