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 $4.150 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 11 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
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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