Union Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $4.23 | $4.59 | $4.7 | $5.05 | $3.71 |
| Month Ago Avg. | $3.84 | $4.09 | $4.33 | $4.39 | $3.71 |
Highest Recorded Average Gas Price In Union Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $5.09 | 06/15/26 |
| Regular | $4.25 | 06/15/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Union
QuikTrip in Union (100 Bourbeuse River Access)
100 Bourbeuse River Access, Union, Missouri,
$3.99
Jul 07, 2026
0¢ Cashback
BP in Union (1400 REBEL DR)
1400 Rebel Rd, Union, Missouri,
$4.09
Jul 07, 2026
0¢ Cashback
Moto in Union (301 US-50)
301 US-50, Union, Missouri,
$4.09
Jul 07, 2026
0¢ Cashback
Phillips 66 in Union (1000 MO-47 N)
1000 MO-47 N, Union, Missouri,
$4.09
Jul 07, 2026
0¢ Cashback
Mobil in Union (516 US-50 W)
516 US-50, Union, Missouri,
$4.19
Jul 07, 2026
0¢ Cashback
ZX in Union (495 MO-47)
495 State Hwy 47, Union, Missouri,
$4.29
Jul 07, 2026
0¢ Cashback
Shell in Union (6364 Hwy V)
6364 Hwy V, Union, Missouri,
$4.29
Jul 07, 2026
3¢ Cashback
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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.