Sam's Club Gas Price Now

O'fallon Sam's Club Gas Prices

At the pump · Regular unleaded$/GAL · up 67¢ 30D over the last 30 days
Premium
up 55¢ 30D over the last 30 days
Diesel
—— 30D over the last 30 days

Posted September 25, 2026

O'fallon Sam's Club is at 1350 W Us Highway 50 in O Fallon, IL. Fuel station hours: 6 AM – 10 PM every day.

30-day average

regular unleaded

30-day low

Sep 3

30-day high

Sep 19

Change over 30 days

up 67¢ over the last 30 days

Priced on 29 of the last 30 days.

Last 30 days

Price history at this club

  • Regular
  • Premium
Fuel price history at O'fallon Sam's Club over the last 30 days. Regular is currently $4.769 per gallon.
Daily prices
DateRegularPremium
September 25, 2026$4.769$5.549
September 24, 2026$4.769$5.549
September 23, 2026$4.789$5.499
September 22, 2026$4.789$5.499
September 21, 2026$4.789$5.699
September 20, 2026$4.789$5.699
September 19, 2026$4.789$5.599
September 18, 2026n/an/a
September 17, 2026$4.499$5.299
September 16, 2026$4.489$5.299
September 15, 2026$4.479$5.249
September 14, 2026$4.479$5.249
September 13, 2026$4.479$5.239
September 12, 2026$4.479$5.239
September 11, 2026$4.479$5.349
September 10, 2026$4.199$5.399
September 9, 2026$4.199$5.089
September 8, 2026$3.999$4.899
September 7, 2026$3.999$4.899
September 6, 2026$3.999$4.899
September 5, 2026$4.049$4.949
September 4, 2026$4.049$4.949
September 3, 2026$3.889$4.789
September 2, 2026$3.939$4.839
September 1, 2026$3.999$4.899
August 31, 2026$3.999$4.899
August 30, 2026$3.999$4.899
August 29, 2026$3.999$4.899
August 28, 2026$3.999$4.899
August 27, 2026$4.099$4.999

The club

Station details

1350 W Us Highway 50

O Fallon, IL 62269

Open in Google Maps · Club page on samsclub.com

In this club

  • available Pharmacy
  • available Auto care
  • available Vision center
  • available Bakery
  • available Deli

Hours

Gas station hours

  • Mon–Fri6 AM – 10 PM
  • Saturday6 AM – 10 PM
  • Sunday6 AM – 10 PM

The neighbourhood

Find this club

Directions

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Within 28 mi

Nearest other Sam's Club fuel stations

  1. Glen CarbonGlen Carbon, IL · 13 mi awayRegularPremiumDiesel
  2. MaplewoodMaplewood, MO · 21 mi awayRegularPremium—Diesel
  3. Saint Louis, North CountySaint Louis, MO · 22 mi awayRegularPremium—Diesel
  4. St. Louis, South CountySaint Louis, MO · 22 mi awayRegularPremium—Diesel
  5. St. Louis, CrestwoodSaint Louis, MO · 24 mi awayRegularPremium—Diesel
  6. St. Louis, Des PeresSaint Louis, MO · 28 mi awayRegularPremium—Diesel

St. Louis, Crestwood Sam's Club is 89¢ cheaper, 24 mi away. Distances are straight-line.

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