Union Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.99 | $4.24 | $4.83 | $4.35 | $3.19 |
| Month Ago Avg. | $3.82 | $4.24 | $4.68 | $4.35 | $3.19 |
Highest Recorded Average Gas Price In Union Year to Date
| Price | Date | |
|---|---|---|
| Regular | $3.99 | 05/03/26 |
| Diesel | $4.35 | 02/04/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Union
Kroger in Union (9001 US-42)
9001 US-42, Union, Kentucky,
$3.45
May 12, 2026
0¢ Cashback
Kroger in Union (9001 US-42)
9001 US-42UnionKentucky41091USA
Speedway in Florence (8699 US-42)
8699 US-42, Union, Kentucky,
$3.79
May 12, 2026
0¢ Cashback
Speedway in Florence (8699 US-42)
8699 US-42UnionKentucky41042USA
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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.