Union Gas Prices - Find the Lowest Gas Prices in Union, IL

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

National and Illinois Gas Price Averages

National Avg.IL Reg. Avg.IL Plus Avg.IL Prem. Avg.IL Diesel Avg.
$3.150
05/31/2025
$3.381
05/31/2025
$3.951
05/31/2025
$4.417
05/31/2025
$3.521
05/31/2025

Today's lowest gas prices in Illinois and around Union

StationRegularPlusPremiumDiesel
05/31/2025
05/31/2025
05/31/2025
05/31/2025
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05/31/2025

Find all gas prices in and around Union, IL.

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Local Events

Huntley Farmers' Market

Saturday, May 31, 2025 from 8:00am to 1:00pm
Huntley, IL
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Woodstock Farmer's Market

Saturday, May 31, 2025 from 8:00am to 1:00pm
Woodstock, IL
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Harvard Milk Days

Saturday, May 31, 2025 at 9:00am
Harvard, IL
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Rockhound Fest

Saturday, May 31, 2025 from 10:00am to 2:00pm
Crystal Lake, IL
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Max Happy Fest

Saturday, May 31, 2025 from 12:00pm to 11:00pm
Woodstock, IL
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Knievel's Daredevil Band with Somebody's Dad

Saturday, May 31, 2025 at 7:00pm
Island Lake, IL
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Anthony Gomes

Saturday, May 31, 2025 at 7:00pm
Dundee, IL
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Cary Farmers Market

Sunday, Jun 1, 2025 from 9:00am to 1:00pm
Cary, IL
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Sunday Church Service

Sunday, Jun 1, 2025 at 9:15am
Dundee, IL
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Farmers Market at The Dole

Sunday, Jun 1, 2025 from 10:00am to 2:00pm
Crystal Lake, IL
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