Gas Prices in Lafayette, LA Today

Updated April 5, 2026 — Prices updated regularly from EIA data

$2.92

Average Regular Unleaded — Lafayette, Louisiana

Current Gas Prices in Lafayette

At $$2.92 per gallon, Lafayette's current gas prices are $0.20 above the Louisiana average both the Louisiana average and the national benchmark. Savvy Lafayette drivers know where to find the best prices in town.

Fuel TypePrice / GallonGradeTrend
Regular Unleaded$2.9287 octane▲ Rising
Mid-Grade$3.3889 octane▲ Rising
Premium$3.6591-93 octane▲ Rising
Diesel$3.95N/A▲ Rising

Price Comparison

Lafayette Average
$2.92
Regular Unleaded
Louisiana State Average
$2.72
$0.20 above the Louisiana average
National Average
$3.99
$1.07 below the national average

About Gas Prices in Lafayette

For Lafayette commuters filling up weekly, choosing the right station matters. Annual fuel spending for a 15-gallon weekly fill-up at ${price}/gallon totals roughly ${annualCost}. Cutting 10 cents per gallon through strategic choices saves about $78 annually — real money with zero sacrifice.

Gas Prices by Brand in This City

Estimated prices based on brand modifiers. Sorted cheapest to most expensive.

Fuel Type Prices in This City

Regular Unleaded
87 octane
Premium Gasoline
91-93 octane
Diesel Fuel
N/A

Gas Prices in Nearby Cities

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Frequently Asked Questions

Gas price spikes in Lafayette are typically triggered by regional supply disruptions, pipeline outages, refinery maintenance, seasonal blend transitions, and global crude oil price increases. Holiday demand surges around Memorial Day, July 4th, and Labor Day also push prices up temporarily.
Premium gas in Lafayette is worth the extra cost only if your vehicle requires it. If your owner's manual says Required, always use premium. If it says Recommended, you may use regular with minimal performance loss. Never use regular in a vehicle that requires premium.
Costco offers the cheapest gas wherever it operates in the Lafayette area. Among street stations, Circle K, Speedway, and Wawa (in applicable markets) consistently offer below-average prices. Shell, Chevron, and BP typically price above the local average.
At today's Lafayette average of $$2.92 per gallon, a standard 13-gallon sedan tank costs ${fillCost} to fill. A larger 20-gallon SUV or truck tank runs ${truckFill}. Choosing the cheapest local station can save $3-5 on each fill-up.
Monday and Tuesday are statistically the cheapest days to buy gas in most US cities including Lafayette. Prices rise Thursday through Sunday as weekend driving demand increases. Filling up Tuesday afternoon before price adjustments is a reliable strategy.

Related Gas Price Pages

Gas Prices in LouisianaCheapest Gas in LafayetteGas Prices Near LafayetteCompare All StatesRegular Unleaded in LafayettePremium Gasoline in LafayetteDiesel Fuel in LafayetteShell - LafayetteExxon - LafayetteBP - LafayetteChevron - LafayetteMobil - LafayetteGas Prices in Baton RougeGas Prices in Lake Charles