Check Hawaii gas prices today for regular, mid-grade, premium, and diesel fuel. The price tool below shows AAA-sourced daily averages, recent price movement, and a fill-up cost estimate for drivers across the Aloha State.
Quick Navigation
What Affects Hawaii Gas Prices?
- Complete geographic isolation requiring all fuel to be imported via ocean barge
- Lack of local crude oil production and limited regional refining capacity
- Inter-island delivery costs moving fuel from Oahu terminals to Maui, the Big Island, and Kauai
- Heavy tourism demand and rental car usage in Honolulu and resort areas
- State fuel taxes and environmental regulatory fees
- Global crude oil market fluctuations and Pacific shipping route logistics
Hawaii Gas Prices by Fuel Type
- Regular: The standard baseline fuel for most daily commuters and rental cars.
- Mid-grade: Recommended for older high-compression engines or vehicles towing small trailers.
- Premium: Necessary for luxury, turbocharged, or high-performance vehicles to prevent engine knocking.
- Diesel: Tracks closely with commercial freight, inter-island barge logistics, and heavy-duty trucking.
Hawaii Gas Prices vs Nearby States
Because Hawaii is completely isolated in the Pacific, it does not share land borders with any other state. When comparing regional fuel costs:
- California gas prices and West Coast markets often differ due to Hawaii’s reliance on Asian and Pacific Rim refinery imports rather than domestic pipelines.
- Alaska gas prices share similar geographic challenges, as both states rely heavily on marine transport and lack direct pipeline connections to the lower 48.
- Prices can be higher or lower depending on global shipping rates, state taxes, and local island demand.
Tips for Getting Better Gas Prices in Hawaii
- Compare station prices in Honolulu before driving out to the North Shore or windward coast.
- Fill up your tank in larger towns like Hilo or Kailua-Kona before exploring remote stretches of the Big Island.
- Check your tire pressure regularly to maximize fuel economy in stop-and-go island traffic.
- Stick to regular unleaded unless your vehicle or rental agreement explicitly requires premium.
- Plan your fuel stops carefully on Kauai and Maui, where rural stations are sparse.
- Avoid unnecessary idling in heavy H-1 freeway traffic or at scenic lookout points.
Hawaii Gas Price FAQs
What is the average gas price in Hawaii today?
The current daily averages for regular, mid-grade, premium, and diesel are displayed in the dynamic tool at the top of this page.
Why do Oahu and Big Island gas prices differ?
Oahu has the state’s primary fuel import terminals and higher station density, while the Big Island and neighbor islands face additional inter-island barge transport costs and less local competition.
Why are Hawaii gas prices generally higher than the national average?
Hawaii relies entirely on imported fuel shipped across the ocean. The high cost of marine transport, lack of local refineries, and state taxes combine to push retail prices above the national average.
Is diesel included in Hawaii gas price data?
Yes, the tool tracks Hawaii diesel prices alongside unleaded options, which is essential for commercial truckers, delivery fleets, and heavy-duty vehicle owners navigating the islands.
Does Hawaii use special gasoline blends?
Hawaii generally uses standard federal EPA fuel blends, though its isolated supply chain means the state relies on specific Pacific Rim refinery outputs rather than domestic West Coast boutique blends.

