| Saint-Omer | Super 95 (E10) | Super 95 (E5) | Super 98 (E5) | Super 98 (E10) | Diesel (B7) | Diesel (B10) | Diesel (XTL / HVO) | LPG | CNG | Hydrogeen | LNG | Diesel+ | AdBlue |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aire-sur-la-Lys | € 1,609 | € 1,643 | € 1,709 | € 1,924 | € 1,599 | - | - | € 0,822 | - | - | - | - | - |
| Ardres | € 1,719 | € 1,699 | € 1,739 | - | € 1,619 | - | - | - | - | - | - | - | - |
| Arques | € 1,469 | € 1,649 | € 1,719 | - | € 1,614 | - | - | € 0,960 | - | - | - | - | - |
| Audruicq | - | € 1,691 | € 1,699 | - | € 1,638 | - | - | - | - | - | - | - | - |
| Autingues | € 1,629 | - | € 1,729 | - | € 1,589 | - | - | - | - | - | - | - | - |
| Campagne-lès-Wardrecques | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Coyecques | - | € 1,820 | - | - | € 1,720 | - | - | - | - | - | - | - | - |
| Éperlecques | € 1,637 | - | € 1,762 | - | € 1,620 | - | - | - | - | - | - | - | - |
| Lumbres | € 1,639 | € 1,689 | € 1,719 | - | € 1,609 | - | - | - | - | - | - | - | - |
| Nielles-lès-Ardres | € 2,005 | - | - | - | € 1,882 | - | - | - | - | - | - | - | - |
| Oye-Plage | - | € 1,669 | € 1,699 | - | € 1,589 | - | - | - | - | - | - | - | - |
| Racquinghem | € 1,619 | € 1,649 | - | € 1,939 | € 1,599 | - | - | - | - | - | - | - | - |
| Saint-Folquin | - | € 1,930 | € 1,960 | - | € 1,855 | - | - | - | - | - | - | - | - |
| Saint-Martin-au-Laërt | € 1,643 | - | € 1,746 | - | € 1,614 | - | - | € 0,960 | - | - | - | - | - |
| Saint-Omer | € 1,632 | - | € 1,712 | - | € 1,613 | - | - | - | - | - | - | - | - |