Gas prices in Hawaii today
Regular gas in Hawaii averages $5.66 a gallon, 33% more than the U.S. average of $4.27. That makes Hawaii one of the most expensive: rank 50 of 51 (1 = cheapest).
| Grade | Hawaii | U.S. average | 15-gallon fill-up |
|---|---|---|---|
| Regular | $5.66 | $4.27 | $85 |
| Mid-grade | $5.94 | $4.78 | $89 |
| Premium | $6.19 | $5.17 | $93 |
| Diesel | $7.27 | $6.35 | $109 |
Source: AAA, Hawaii average gas prices and AAA State Gas Price Averages, as of Oct 24, 2026. Fill-up = price × 15 gallons (our calculation). For metro-area prices, see AAA's Hawaii page.
Taxes in the price: 18.5¢ a gallon in Hawaii state taxes and fees plus the 18.4¢ federal tax, 36.9¢ in all, about 7% of today's price (Tax Foundation, July 2026; our calculation). Gas tax in Hawaii.
What driving costs in Hawaii
At $5.66 a gallon, a car that gets 27.2 mpg (the EPA's average for new vehicles) spends about $208 on gas every 1,000 miles, or 20.8 cents a mile (our calculation). Charging an electric car at Hawaii's average home electricity price costs about $146 for the same 1,000 miles. Gas is only one part of the bill: full-coverage car insurance in Hawaii averages $1,512 a year.
Planning a drive? The road trip cost calculator uses today's gas price, and the true cost of owning a car puts fuel next to insurance, repairs and depreciation.
Common questions
What is the average gas price in Hawaii today?
Regular gas in Hawaii averaged $5.66 a gallon on Oct 24, 2026, per AAA. Mid-grade was $5.94, premium $6.19 and diesel $7.27.
Is gas in Hawaii cheaper than the national average?
No. Hawaii's $5.66 is 33% more than the U.S. average of $4.27, which ranks it 50 of 51 states and DC (1 = cheapest, our ranking of AAA data).
How much does it cost to fill up a car in Hawaii?
About $85 for 15 gallons of regular at today's Hawaii average (our calculation). Driving 1,000 miles in a car that gets 27.2 mpg costs about $208 in gas.
Is an electric car cheaper to run than gas in Hawaii?
At Hawaii's average home electricity price, charging an EV for 1,000 miles costs about $146, compared with about $208 in gas for a 27.2 mpg car (our calculation from EIA and AAA prices, 31 kWh per 100 miles from fueleconomy.gov).
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