Spearfish Gas Prices - Find the Lowest Gas Prices in Spearfish, SD

Search for the lowest gasoline prices in Spearfish, SD. Find local Spearfish gas prices and Spearfish gas stations with the best prices to fill up at the pump today

National and South Dakota Gas Price Averages

National Avg.	SD Reg. Avg.	SD Plus Avg.	SD Prem. Avg.	SD Diesel Avg.
$3.138 02/10/2025	$2.966 02/10/2025	$3.140 02/10/2025	$3.578 02/10/2025	$3.446 02/10/2025

Today's lowest gas prices in South Dakota and around Spearfish

Station	Regular	Plus	Premium	Diesel
Costco 3700 S Grange Ave, Sioux Falls, SD	$2.58 02/10/2025	02/10/2025	$3.39 02/10/2025	02/10/2025
Sam's Club 3205 S Louise Ave, Sioux Falls, SD	$2.58 02/10/2025	02/10/2025	$3.38 02/10/2025	02/10/2025