Diesel Prices in Hawaii Today
Average diesel price in Hawaii: $7.136 per gallon on September 22, 2026. U.S. average $6.529. Updated daily.
What is the price of diesel in Hawaii today?
Diesel in Hawaii averages $7.136 per gallon today (September 22, 2026), $0.607 more than the U.S. average of $6.529. Hawaii ranks #49 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.13 per mile on fuel in Hawaii.
per gallon today
U.S. average $6.529
of 51 (1 = cheapest)
semi truck, today
Fuel cost per mile in Hawaii
Estimated diesel cost at today's Hawaii price of $7.136 a gallon, using fuel economy calibrated to FHWA and NACFE data.
| Truck | Fuel per mile | Fuel per 1,000 miles |
|---|---|---|
| Dry Van38,000 lbs, ~6.3 mpg | $1.14 | $1,135 |
| Reefer38,000 lbs, ~6.0 mpg | $1.18 | $1,182 |
| Flatbed40,000 lbs, ~6.0 mpg | $1.18 | $1,180 |
| Hotshot12,000 lbs, ~8.9 mpg | $0.80 | $801 |
| Box Truck7,000 lbs, ~9.1 mpg | $0.78 | $782 |
Your numbers depend on load weight, speed, terrain and idling. Enter them in the truck fuel cost calculator for an exact estimate.
Frequently asked questions
What is the price of diesel in Hawaii today?
Diesel in Hawaii averages $7.136 per gallon today (September 22, 2026), $0.607 more than the U.S. average of $6.529. Hawaii ranks #49 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.13 per mile on fuel in Hawaii.
How much does it cost to fill a semi truck in Hawaii?
At $7.14 a gallon, 150 gallons of diesel costs about $1,070 and 200 gallons about $1,427 in Hawaii today.
Is diesel cheaper in Hawaii than nearby states?
Among nearby states in the same region, the cheapest today is Arizona at $6.445 a gallon. Hawaii is $7.136.
How often are Hawaii diesel prices updated?
Every day. This page refreshes each morning from daily state averages, with the EIA weekly survey as a backup.
| Arizona | $6.445 |
| Alaska | $6.663 |
| Nevada | $6.843 |
| Oregon | $6.872 |
| Washington | $7.463 |
Source: AAA daily state average, September 22, 2026. All 50 states
Running freight through Hawaii?
Texas Solutions dispatches semis for 5%, hotshots for 8% and box trucks for 10% of weekly gross. We plan lanes to cut empty miles and fuel.