Union Gap Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $4.03 | $4.39 | $4.65 | $4.4 | - |
| Month Ago Avg. | $4.05 | $4.39 | $4.68 | $4.41 | - |
Highest Recorded Average Gas Price In Union Gap Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.4 | 01/10/26 |
| Regular | $4.03 | 01/08/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Union Gap
ARCO in Union Gap (20 E Valley Mall Blvd)
20 E Valley Mall Blvd, Union Gap, Washington,
$4.59
Jan 13, 2026
0¢ Cashback
ARCO in Union Gap (20 E Valley Mall Blvd)
20 E Valley Mall BlvdUnion GapWashington98903USA
Find Cheap Gas Prices By State
Click on the state to view the State details
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.