Gas Prices in Dayton, OH Today

Updated April 5, 2026 — Prices updated regularly from EIA data

$2.89

Average Regular Unleaded — Dayton, Ohio

Current Gas Prices in Dayton

The going rate for a gallon of regular unleaded in Dayton, Ohio is $$2.89 today. Local price variation gives shoppers a meaningful advantage when they take a few minutes to compare nearby stations.

Fuel TypePrice / GallonGradeTrend
Regular Unleaded$2.8987 octane▲ Rising
Mid-Grade$3.3489 octane▲ Rising
Premium$3.6191-93 octane▲ Rising
Diesel$3.91N/A▲ Rising

Price Comparison

Dayton Average
$2.89
Regular Unleaded
Ohio State Average
$2.89
near the state average
National Average
$3.99
$1.10 below the national average

About Gas Prices in Dayton

The best time to buy gas in Dayton follows the national pattern: Tuesday and Wednesday consistently show the lowest weekly prices, while Thursday through Sunday prices climb with weekend demand. Monthly, prices often dip mid-month. Following these patterns in Dayton can save 5-15 cents per gallon.

Gas Prices by Brand in This City

Estimated prices based on brand modifiers. Sorted cheapest to most expensive.

CHEAPEST
Costco
$2.74
Speedway
$2.86
Circle K
$2.87
Sunoco
$2.90
Marathon
$2.91
BP
$2.93
Mobil
$2.94
Exxon
$2.95
Shell
$2.97
Chevron
$2.99

Fuel Type Prices in This City

Regular Unleaded
87 octane
Premium Gasoline
91-93 octane
Diesel Fuel
N/A

Gas Prices in Nearby Cities

Springfield$2.85Hamilton$3.06Cincinnati$3.14Covington$2.91Columbus$3.08
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Frequently Asked Questions

Costco offers the cheapest gas wherever it operates in the Dayton area. Among street stations, Circle K, Speedway, and Wawa (in applicable markets) consistently offer below-average prices. Shell, Chevron, and BP typically price above the local average.
At today's Dayton average of $$2.89 per gallon, a standard 13-gallon sedan tank costs ${fillCost} to fill. A larger 20-gallon SUV or truck tank runs ${truckFill}. Choosing the cheapest local station can save $3-5 on each fill-up.
Monday and Tuesday are statistically the cheapest days to buy gas in most US cities including Dayton. Prices rise Thursday through Sunday as weekend driving demand increases. Filling up Tuesday afternoon before price adjustments is a reliable strategy.
Dayton 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.

Related Gas Price Pages

Gas Prices in OhioCheapest Gas in DaytonGas Prices Near DaytonCompare All StatesRegular Unleaded in DaytonPremium Gasoline in DaytonDiesel Fuel in DaytonShell - DaytonExxon - DaytonBP - DaytonChevron - DaytonMobil - DaytonGas Prices in SpringfieldGas Prices in HamiltonGas Prices in Cincinnati