Onalaska Gas Prices - Find the Lowest Gas Prices in Onalaska, WI

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

National and Wisconsin Gas Price Averages

National Avg.	WI Reg. Avg.	WI Plus Avg.	WI Prem. Avg.	WI Diesel Avg.
$3.746 12/18/2025	$3.383 12/18/2025	$3.834 12/18/2025	$4.272 12/18/2025	$4.171 12/18/2025

Today's lowest gas prices in Wisconsin and around Onalaska

Station	Regular	Plus	Premium	Diesel
Costco W162N9235 Pershing Ave, Menomonee Falls, WI	$2.89 12/18/2025	12/18/2025	$3.79 12/18/2025	$3.59 12/18/2025
Costco 443 Pewaukee Rd, Pewaukee, WI	$2.89 12/18/2025	12/18/2025	$3.79 12/18/2025	12/18/2025

Find all gas prices in and around Onalaska, WI.

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Pat Murphy

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Saturday, Jan 24, 2026 at 5:00pm

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Friday, Mar 20, 2026 at 7:00pm

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In and Around Onalaska, WI

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