| Gas Station | Regular | Plus | Premium | Diesel |
 | Shell
2020 Us Highway 730, Umatilla, OR 97882
Get Directions | $3.719 | N/A | N/A | $3.999 |
 | Tesoro
1800 6th St, Umatilla, OR 97882
Get Directions | $3.799 | N/A | $3.999 | $3.899 |
| Shell
1655 N 1st St, Hermiston, OR 97838
Get Directions | $3.799 | N/A | N/A | $3.879 |
 | Unbranded
1295 Nw 11th St, Hermiston, OR 97838
Get Directions | $3.799 | N/A | N/A | N/A |
 | Circle K
1430 N 1st St, Hermiston, OR 97838
Get Directions | $3.799 | $3.909 | N/A | N/A |
| Unbranded
28810 Stafford Hansel Rd, Hermiston, OR 97838
Get Directions | $3.739 | N/A | $3.819
Lowest Price | $3.999 |
| Space Age
77522 Highway 207, Hermiston, OR 97838
Get Directions | $3.659 | $3.779 | N/A | $3.639
Lowest Price |
 | Chevron
1580 W Highland Ave, Hermiston, OR 97838
Get Directions | $3.779 | N/A | N/A | N/A |
| Unbranded
615 N 1st St, Hermiston, OR 97838
Get Directions | $3.799 | N/A | N/A | $3.879 |
| Unbranded
1050 S Highway 395, Hermiston, OR 97838
Get Directions | $3.799 | N/A | N/A | $3.879 |
 | 76
710 W Hermiston Ave, Hermiston, OR 97838
Get Directions | $3.779 | N/A | N/A | $3.879 |
| Chevron
200 N 1st St, Hermiston, OR 97838
Get Directions | $3.799 | N/A | N/A | $3.899 |
| Circle K
32553 E Punkin Center Rd, Hermiston, OR 97838
Get Directions | $3.799 | N/A | N/A | $3.879 |
| Unbranded
2361 N 1st St, Hermiston, OR 97838
Get Directions | $3.799 | N/A | N/A | $3.879 |
| Pilot
2115 S Highway 395, Stanfield, OR 97875
Get Directions | $3.659 | $3.789 | $3.919 | $3.979 |
| Circle K
300 Se Highway 730, Irrigon, OR 97844
Get Directions | $3.799 | N/A | N/A | $3.899 |
| Sun Mart
4201 W 27th Ave, Kennewick, WA 99338
Get Directions | $3.799 | $3.899 | N/A | $4.179 |
| Tesoro
4212 W 27th Ave, Kennewick, WA 99338
Get Directions | $3.779 | $3.899 | $3.999 | $3.979 |
| Circle K
12231 W Clearwater Ave, Kennewick, WA 99338
Get Directions | $3.629
Lowest Price | $3.729
Lowest Price | N/A | $4.019 |
 | Texaco
325 S Union St, Kennewick, WA 99336
Get Directions | $3.799 | N/A | N/A | N/A |