Costco Saint John
300 Retail Drive, Saint John, New Brunswick E2J 2R2
Regular
178.4¢
Premium
202.9¢
Diesel
230.9¢
Updated Oct 28, 2026View details →
Costco Gas Prices in Saint John, Canada
Latest reported Costco fuel prices (cents per litre) in Saint John, New Brunswick.
- Stations
- 1
- Avg. Regular
- 178.4¢
- Lowest Regular
- 178.4¢
- Avg. Diesel
- 230.9¢