Cheapest Gas in San Bernardino, CA

Updated May 20, 2026 — Prices updated regularly from EIA data

$4.40

Lowest price at Costco in San Bernardino

Finding Cheap Gas in San Bernardino

Paying less for gas in San Bernardino does not require sacrifice. The cheapest stations here match or beat the quality of premium branded competitors. Know where to go and save $$0.25 per gallon starting today.

Maximum Savings in San Bernardino

Choose Costco over Chevron

$0.25 per gallon

$3.75 per 15-gallon fill • $12.00 per year (est.)

Cheapest Brands in San Bernardino

Rank	Brand	Est. Price	Savings vs. Most Expensive
#1	Costco	$4.40	$0.25
#2	Speedway	$4.52	$0.13
#3	Circle K	$4.53	$0.12
#4	Sunoco	$4.56	$0.09
#5	Marathon	$4.57	$0.08
#6	BP	$4.59	$0.06
#7	Mobil	$4.60	$0.05
#8	Exxon	$4.61	$0.04
#9	Shell	$4.63	$0.02
#10	Chevron	$4.65	$0.00

Gas Saving Tips for San Bernardino Drivers

Track weekly price cycles in your city — most markets follow predictable weekly patterns. Identifying yours and filling on low-price days saves 5-15 cents per gallon consistently.
Fill up before holiday weekends. Memorial Day, Fourth of July, and Labor Day consistently see 10-25 cent price spikes as demand surges. Topping off Thursday before a holiday weekend beats the rush.
Download the Upside app for cashback on gas purchases — users report average savings of 20-30 cents per gallon on qualifying transactions.
Check if your grocery store offers fuel rewards. Kroger, Safeway, Giant, and many regional chains discount gas by 10-50 cents per gallon tied to grocery spending thresholds.
Use regular unleaded unless your owner's manual specifically requires premium. For the majority of vehicles, there is zero performance benefit from a higher grade.