Gas prices in Hawaii today
Regular gasoline in Hawaii averages $5.45 per gallon as of Monday, July 13, 2026, 158 cents per gallon above the US national average of $3.87 [EIA · 13 Jul 2026]. On-highway diesel is $6.94, 206 cents off the national diesel mean of $4.88. Shipping cost dominates: every gallon arrives by tanker. County excises stack on top of the state rate.
Source: [AAA · 13 Jul 2026] · State excise: 16.0 cents/gal · PADD 5
Hawaii's pump-price cost stack
Every gallon you buy at the pump breaks down into five named slices. For Hawaii today, the stack looks like this:
Crude / refining / distribution shares estimated from EIA Petroleum Marketing Monthly. Federal excise from FHWA Highway Statistics. State excise from the API Motor Fuel Tax Map and Tax Foundation 2026. [EIA · 13 Jul 2026] [API · 13 Jul 2026]
Cheapest metro in Hawaii
Today's cheapest metro in Hawaii is generally Honolulu. Within-state spread is typically 20-40 cents per gallon depending on county tax overlays, station brand and distance from the wholesale rack. AAA publishes metro-level detail for Hawaii updated daily.
FAQ
What is the current average price of regular gas in Hawaii?
$5.45 per gallon as of Monday, July 13, 2026, 158 cents above the national average. [AAA · 13 Jul 2026]
What is Hawaii's state gas tax?
16.0 cents per gallon state excise, plus the 18.4 cents federal excise. [API · 13 Jul 2026]
Where is gas cheapest in Hawaii today?
Honolulu is typically the cheapest metro. Regional spread is normal at 20-40 cents per gallon.