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Louisiana gas prices

Louisiana fuel prices: regular gas averages $3.47/gal, well below the US average. See diesel, premium rates and why Louisiana gas is so cheap.

Louisiana average gas prices

RegularMid-GradePremiumDiesel
Current avg.$3.473$3.943$4.329$4.423
Yesterday$3.482$3.954$4.352$4.442
Week ago$3.536$3.976$4.368$4.555
Month ago$3.949$4.389$4.771$5.003
Year ago$2.807$3.235$3.617$3.311

Price trend

Average regular gasoline in Louisiana over the past 12 months (USD per gallon).

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Gas prices by city in Louisiana

Monroe$3.327Regular
Shreveport-Bossier City$3.396Regular
Hammond$3.417Regular
Baton Rouge$3.432Regular
Lafayette$3.442Regular
Alexandria$3.444Regular
New Orleans$3.480Regular
Houma-Thibodaux$3.571Regular
Lake Charles$3.631Regular

Fuel Prices in Louisiana: What You Pay at the Pump

Louisiana consistently ranks among the cheapest states in the country for fuel, and the latest figures hold to that pattern. Drivers across the state's nine major metro areas are paying about $3.473 per gallon for regular gasoline, $3.943 for midgrade, and $4.329 for premium. Diesel sits higher at roughly $4.423 a gallon. For comparison, the US national average for regular is around $3.867, so the average Louisiana motorist is saving close to 40 cents on every gallon.

Louisiana gas prices — illustration

Why Louisiana Gas Is So Cheap

Two big factors keep prices low here: taxes and geography. Louisiana's state gasoline excise tax is 20 cents per gallon (plus a small inspection fee), which is well below the national median and far under high-tax states like California or Pennsylvania. Combined with the federal 18.4-cent tax, the total tax burden baked into each gallon is modest, and that shows up directly at the pump.

Geography matters just as much. Louisiana is a powerhouse of America's oil and gas industry. The state hosts a dense cluster of refineries along the Mississippi River corridor between Baton Rouge and New Orleans, and it sits at the doorstep of the Gulf of Mexico's offshore production. Because fuel is refined locally, transportation and logistics costs that inflate prices in landlocked or coastal-import states are minimal. Louisiana is effectively a net exporter of refined products, so its in-state retail market enjoys some of the lowest baseline costs in the nation.

How Louisiana Compares to Neighbors

The cheap-fuel zone of the Gulf South extends across state lines. Drivers in neighboring Mississippi and Arkansas typically pay similarly low rates, thanks to comparable tax structures and proximity to the same refining and pipeline infrastructure. Alabama tracks closely as well. The picture changes as you move east toward South Carolina, which has historically run one of the lowest tax rates in the Southeast but is farther from the Gulf refining hub. If you're planning a regional road trip, it's worth checking each state individually, since the spread between them is usually small but real.

What Drives Day-to-Day Price Swings

Even in a low-cost state, pump prices move. The single biggest driver is the global price of crude oil, which is set in international markets and passes through to gasoline within days to weeks. On top of that, Louisiana faces a seasonal wildcard that most states don't: hurricanes. When a major storm enters the Gulf, refiners along the coast shut down as a precaution and offshore platforms evacuate. Even a temporary outage can tighten regional supply and push prices up sharply, sometimes for weeks, before they settle back down.

Seasonal demand also plays a role. Prices tend to firm up in late spring as the EPA's summer-blend gasoline requirements kick in and travel ramps up, then ease again in the fall. The roughly 47-cent gap between regular and diesel reflects diesel's tie to freight, agriculture, and industrial demand, which moves on a somewhat different cycle than passenger gasoline.

Getting the Best Price

Because Louisiana's overall prices are low, the percentage savings from shopping around can be meaningful. Stations near interstate exits and in tourist-heavy parts of New Orleans often charge a premium, while membership warehouse clubs and high-volume stations in suburban areas tend to undercut the metro average. Paying with cash or a station loyalty program can shave a few more cents off each fill-up.

Louisiana gas prices trends — illustration

FAQ

Why is gas so cheap in Louisiana?

Louisiana combines a low state gas tax (about 20 cents per gallon) with a heavy concentration of refineries and direct access to Gulf of Mexico oil production. Fuel is refined locally and the state is a net exporter of refined products, which keeps baseline retail costs among the lowest in the US.

What is the average price of gas in Louisiana right now?

Regular gasoline averages about $3.473 per gallon across Louisiana's metro areas, with midgrade near $3.943, premium around $4.329, and diesel at roughly $4.423. That's well below the US national average of about $3.867 for regular.

Do hurricanes raise gas prices in Louisiana?

Yes. When a major storm threatens the Gulf, coastal refineries shut down and offshore platforms evacuate, tightening regional supply. This can cause sharp, temporary price spikes that last days or weeks until production resumes and inventories recover.