TripTotemTrip cost calculator
UK todayPetrol174.9pDiesel199.9p6,537 forecourtsUS this weekRegular$4.47Diesel$6.38EIA average

Gas prices in Hawaii

Regular gas costs an average of $5.15 a gallon in Hawaii, and diesel $6.64, based on the West Coast (excluding California) regional figure for the week of September 28, 2026. That's 68 cents above the national average.

EIA doesn't publish a separate average for Hawaii, so this is the West Coast (excluding California) average, which covers Hawaii. Prices at individual stations vary.

FuelHawaiiU.S. average
Regular$5.15$4.47
Diesel$6.64$6.38

What gas costs in Hawaii

Filling a 15-gallon tank with regular costs about $77.25. A 300-mile road trip in a car that gets 25 mpg uses 12 gallons, which comes to about $61.80.

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Frequently asked questions

How much is gas in Hawaii right now?

Regular gas averages $5.15 a gallon based on the West Coast (excluding California) regional figure for the week of September 28, 2026.

How much is diesel in Hawaii?

Diesel averages $6.64 a gallon based on the West Coast (excluding California) figure.

How much does it cost to fill up in Hawaii?

A 15-gallon tank of regular costs about $77.25 at the average price.

Where do these prices come from?

The U.S. Energy Information Administration surveys retail gas stations every week and publishes averages for the nation, regions and nine states every Monday.

Gas prices in West Coast (excluding California) over time

Since 6 October 2025, the typical price of regular gas has risen by 117 cents.

$2.86$3.95$5.04$6.12$7.21NovJanMarMayJulSept
RegularDiesel

Weekly averages from the U.S. Energy Information Administration. See national price history.

Gas prices in other states