Updated April 5, 2026 — Prices updated regularly from EIA data
$3.62
Average Regular Unleaded — Des Plaines, Illinois
Current Gas Prices in Des Plaines
Motorists in Des Plaines are seeing $$3.62 per gallon at the pump today for regular gas. This is $0.26 above the Illinois average the Illinois state average, driven by local competition and Des Plaines's proximity to supply infrastructure.
Fuel Type
Price / Gallon
Grade
Trend
Regular Unleaded
$3.62
87 octane
▲ Rising
Mid-Grade
$4.18
89 octane
▲ Rising
Premium
$4.52
91-93 octane
▲ Rising
Diesel
$4.90
N/A
▲ Rising
Price Comparison
Des Plaines Average
$3.62
Regular Unleaded
Illinois State Average
$3.36
$0.26 above the Illinois average
National Average
$3.99
$0.37 below the national average
About Gas Prices in Des Plaines
Des Plaines's position in Illinois gives it Midwest supply chain supply chain characteristics. Refinery-direct brands like Valero and wholesale retailers like Costco typically offer the strongest value in the area. Premium brands like Shell and Chevron charge a quality markup that may or may not be worth it depending on your vehicle.
Gas Prices by Brand in This City
Estimated prices based on brand modifiers. Sorted cheapest to most expensive.
Des Plaines and surrounding cities typically track similar fuel prices given shared supply infrastructure. Differences of 5-15 cents between nearby cities are common depending on local tax differences and competition levels.
A 10-cent savings on 15 gallons equals $1.50. If the cheaper station is 5 miles away and your car gets 25 MPG, the detour costs about 0.4 gallons. Savings above 15 cents per gallon are consistently worth moderate detours.
Most states have price gouging statutes that activate during declared emergencies. Outside of emergency declarations, gas stations set prices based on market conditions. Normal price variation between stations is competition, not gouging.
GasBuddy is the most comprehensive option for Des Plaines with millions of user-reported prices updated in real time. Waze integrates gas prices into navigation. GetUpside/Upside offers cashback on purchases at qualifying stations.
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