Washington Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Month Ago Avg. | $4.17 | $4.31 | $4.48 | $4.89 | $3.73 |
Highest Recorded Average Gas Price In Washington Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.95 | 09/13/26 |
| Regular | $4.18 | 09/13/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Washington
Murphy USA in Washington (1645 A Roy Dr)
1645 A. Roy Dr, Washington, Missouri,
$3.80
Sep 21, 2026
0¢ Cashback
ZX in Washington (6791 MO-100)
6791 MO-100, Washington, Missouri,
$3.87
Sep 21, 2026
0¢ Cashback
Amoco in Washington (307 W 5th)
307 W 5th St, Washington, Missouri,
$3.89
Sep 21, 2026
0¢ Cashback
BP in Washington (904 E 5TH ST)
904 E Fifth St, Washington, Missouri,
$3.89
Sep 21, 2026
0¢ Cashback
Amoco in Washington (1980 Washington Crossing)
1980 Washington Crossing, Washington, Missouri,
$3.89
Sep 21, 2026
0¢ Cashback
BP in Washington (4700 SOUTH POINT RD)
4700 S Point Rd, Washington, Missouri,
$3.89
Sep 21, 2026
0¢ Cashback
BP in Washington (5860 HIGHWAY 100)
5860 MO-100, Washington, Missouri,
$3.89
Sep 21, 2026
0¢ Cashback
Conoco in Washington (3052 MO-A)
3052 MO-A, Washington, Missouri,
$3.99
Sep 21, 2026
0¢ Cashback
Murphy USA in Washington (1645 A Roy Dr)
1645 A Roy Dr, Washington, Missouri,
$4.34
Sep 21, 2026
0¢ Cashback
West End Station in Washington (1400 W 5th St)
1400 W 5th St, Washington, Missouri,
$4.89
Sep 21, 2026
0¢ 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.