Costco Gas Prices in MOUNT PROSPECT, Illinois Today
999 N Elmhurst Rd, MOUNT PROSPECT, IL 60056-1133
The Costco gas station in MOUNT PROSPECT, Illinois is one of the cheapest places to fill up in the area. Regular unleaded is currently $4.090 per gallon. Prices are updated daily to reflect real pump prices at this location. A Costco membership is required to purchase fuel here. Most members save 10–20 cents per gallon compared to regular gas stations nearby.
Today's Prices
Updated 5 hrs agoMembership required. You need an active membership to purchase fuel at this location.
Illinois Regular Gas Price Trend (30 days)
Source: EIAStation Information
- Address
- 999 N Elmhurst Rd, MOUNT PROSPECT, IL 60056-1133
- Weekday Hours
- 6:00 AM - 10:00 PM
- Saturday
- N/A
- Sunday
- N/A
- Membership
- Required — $65/year
Location
Loading map…
Frequently Asked Questions — Costco MOUNT PROSPECT
The Costco gas station in MOUNT PROSPECT is least busy on Tuesday and Wednesday mornings between 7 and 9 AM. Avoid Friday evenings and Saturday mornings — those are the busiest times.
Pro Tips for MOUNT PROSPECT Costco Gas
- 1
Best times to visit: Tuesday and Wednesday mornings (7–9 AM) have the shortest lines at this MOUNT PROSPECT location. Avoid Friday evenings and Saturday mornings.
- 2
Pull forward: The hoses reach both sides of your car — don't wait for a specific lane. Pull to the first available pump and reach across.
- 3
Check prices before you go: Costco updates prices daily based on wholesale fuel costs. Bookmark this page and check before you leave.
- 4
Save more with rewards: Stack your membership savings with a cash-back credit card. The Costco Anywhere Visa offers 4% back on gas (up to $7,000/year). Sam's Club Mastercard gives 5% back.
Nearby Stations
Quick Facts
- ✓Prices updated daily
- ✓Extended hoses reach both sides
- ✓No diesel at this location
- ✓Costco membership required