Willmar Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.91 | $3.83 | $4.66 | $4.7 | $3.19 |
| Month Ago Avg. | $3.88 | $3.83 | $4.63 | $4.68 | $3.19 |
Highest Recorded Average Gas Price In Willmar Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.7 | 07/12/26 |
| Regular | $3.91 | 07/06/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Willmar
Casey's in Willmar (2300 US-12)
2300 Hwy 12 E, Willmar, Minnesota,
$4.05
Jul 19, 2026
0¢ Cashback
Casey's in Willmar (2300 US-12)
2300 Hwy 12 EWillmarMinnesota56201USA
Holiday in Willmar (817 Litchfield Ave SW)
817 Litchfield Ave SW, Willmar, Minnesota,
$4.15
Jul 19, 2026
0¢ Cashback
Holiday in Willmar (817 Litchfield Ave SW)
817 Litchfield Ave SWWillmarMinnesota56201USA
Holiday in Willmar (2195 1st St S)
2195 1st St S, Willmar, Minnesota,
$4.17
Jul 19, 2026
0¢ Cashback
Holiday in Willmar (2195 1st St S)
2195 1st St SWillmarMinnesota56201USA
Speedway in Willmar (415 S 1st St)
415 S 1st St, Willmar, Minnesota,
$4.25
Jul 19, 2026
0¢ Cashback
Speedway in Willmar (415 S 1st St)
415 S 1st StWillmarMinnesota56201USA
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Gas Data Methodology
The fuel prices published in this guide are based on the results of research completed by Way.com’s data team. Using a mix of external and internal data, we analyzed millions of prices across U.S. ZIP codes and globally.