Sam's Club Gas Prices in O Fallon, Illinois Today
1350 W Us Highway 50, O Fallon, IL 62269
The Sam's Club fuel station in O Fallon, Illinois is one of the most cost-effective places to purchase diesel in the area. Diesel availability varies — check the fuel type filter on the station listing for the latest status, with regular unleaded at $4.599. All prices are updated daily from live pump data. A Sam's Club membership ($50/year) is required to purchase fuel at this location. Truck drivers, fleet operators, and diesel vehicle owners typically save 10–30 cents per gallon compared to nearby retail stations — use the fuel cost calculator to see what that means for your annual mileage.
Today's Prices
Updated 6 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
- 1350 W Us Highway 50, O Fallon, IL 62269
- Weekday Hours
- N/A
- Saturday
- N/A
- Sunday
- N/A
- Membership
- Required — $50/year
Location
Loading map…
Frequently Asked Questions — Sam's Club O Fallon
This Sam's Club location in O Fallon does not currently carry diesel fuel. Check nearby Sam's Club locations using our station finder, as diesel availability varies by site.
Pro Tips for O Fallon Sam's Club Gas
- 1
Diesel pump location: At most Sam's Club locations, diesel pumps are on a separate island — often at the end of the fueling canopy or in a dedicated commercial lane. Look for the yellow or black diesel nozzle handle.
- 2
Best time for diesel: Weekday mornings (Tuesday–Thursday, 7–9 AM) have the shortest wait times at this O Fallon location. Diesel lanes generally move faster than gasoline lanes because fewer vehicles use them.
- 3
Track prices before your route: Sam's Club updates diesel prices daily based on wholesale distillate costs. If you're planning a long haul through O Fallon, bookmark this page and check the price the morning of your trip.
- 4
Maximize fleet savings: Stack your Sam's Club membership discount with a commercial fleet card or cash-back credit card. The Costco Anywhere Visa gives 4% back on fuel purchases (up to $7,000/year). Sam's Club Mastercard returns 5% on fuel. On high-volume diesel fills, those percentages add up quickly.
Nearby Stations
Quick Facts
- ✓Prices updated daily
- ✓Extended hoses reach both sides
- ✓No diesel at this location
- ✓Sam's Club membership required