Diesel Prices in Alaska Today
Average diesel price in Alaska: $6.663 per gallon on September 22, 2026. U.S. average $6.529. Updated daily.
What is the price of diesel in Alaska today?
Diesel in Alaska averages $6.663 per gallon today (September 22, 2026), $0.134 more than the U.S. average of $6.529. Alaska ranks #42 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.06 per mile on fuel in Alaska.
per gallon today
U.S. average $6.529
of 51 (1 = cheapest)
semi truck, today
Fuel cost per mile in Alaska
Estimated diesel cost at today's Alaska price of $6.663 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 | $1.06 | $1,060 |
| Reefer38,000 lbs, ~6.0 mpg | $1.10 | $1,104 |
| Flatbed40,000 lbs, ~6.0 mpg | $1.10 | $1,102 |
| Hotshot12,000 lbs, ~8.9 mpg | $0.75 | $748 |
| Box Truck7,000 lbs, ~9.1 mpg | $0.73 | $730 |
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 Alaska today?
Diesel in Alaska averages $6.663 per gallon today (September 22, 2026), $0.134 more than the U.S. average of $6.529. Alaska ranks #42 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.06 per mile on fuel in Alaska.
How much does it cost to fill a semi truck in Alaska?
At $6.66 a gallon, 150 gallons of diesel costs about $999 and 200 gallons about $1,333 in Alaska today.
Is diesel cheaper in Alaska than nearby states?
Among nearby states in the same region, the cheapest today is Arizona at $6.445 a gallon. Alaska is $6.663.
How often are Alaska 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 |
| Nevada | $6.843 |
| Oregon | $6.872 |
| Hawaii | $7.136 |
| Washington | $7.463 |
Source: AAA daily state average, September 22, 2026. All 50 states
Running freight through Alaska?
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.