Maine Gas Prices
Average retail price · Source: AAA · Updated daily
Today's Average
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per gallon · regular unleaded
Maine is moderately expensive for New England, with prices driven by its geographic isolation at the northeastern tip of the country and heavy reliance on Irving Oil, a Canadian company that dominates the state's fuel market. Southern Maine near the New Hampshire border is more competitive.
⛽ Gas Tax: 30¢/gallon
Ranked #19 most expensive nationally
Top Gas Station Chains in Maine
Irving OilHannafordShellCitgoMobil
Top Maine Cities for Gas Prices
Maine Gas Price FAQ
Why does Irving Oil dominate Maine's gas market?
Irving Oil is a Canadian (New Brunswick-based) company with refinery and distribution infrastructure throughout Maritime Canada and northern New England. Its geographic proximity and established infrastructure give it a dominant position in Maine that national chains haven't fully displaced.
Is Portland, Maine gas cheaper than Boston?
Portland, ME typically runs slightly cheaper than Boston, benefiting from lower real estate costs for station operators and similar supply infrastructure. Both cities pay a New England geographic premium compared to Midwest and South markets.
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Gas Prices by City in Maine
Maine Gas Price — Frequently Asked Questions
What is the average gas price in Maine today?
Maine gas prices are updated daily from AAA data. Check back for today's average.
Why are gas prices lower in Maine than the national average?
Maine benefits from favorable regional factors.
What is Maine's gas tax?
Maine's state gas tax is approximately 30¢ per gallon. This is a combined state excise tax and in some states includes local levies. The federal gas tax adds an additional 18.4¢/gal on top of state taxes.
When is the cheapest time to buy gas in Maine?
Gas prices in Maine — like across the US — tend to be lowest on Mondays and Tuesdays, when weekly demand is lowest. Prices typically rise Thursday through Saturday as weekend travel demand increases. Avoiding fill-ups on Fridays and Saturdays can save 3–8¢/gal on average. Maine prices also tend to be lower in late fall and winter when summer-blend fuel requirements end.
Which cities in Maine have the cheapest gas?
Gas prices vary by city within Maine based on local competition, distance from fuel terminals, and population density. Use our city pages to compare prices across Maine: cities farther from major metro areas and distribution hubs often have slightly higher prices due to transport costs, while high-competition suburban areas near major highways tend to be cheapest.