Union Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Month Ago Avg. | $4.1 | $4.54 | $4.93 | $5.18 | $3.19 |
Highest Recorded Average Gas Price In Union Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $5.18 | 08/06/26 |
| Regular | $4.17 | 09/12/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Union
Kroger in Union (8825 US-42)
8825 US-42, Union, Kentucky,
$4.08
Oct 26, 2026
0¢ Cashback
Kroger in Union (8825 US-42)
8825 US-42UnionKentucky41091USA
Speedway in Florence (8699 US-42)
8699 US-42, Union, Kentucky,
$4.15
Oct 26, 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.