Gas prices in Châteauguay · Ultramar
Prices updated Oct 31, 2026 at 6:30 a.m. (1 min ago)
Average price
188.9¢/L
+3.8% vs region
Cheapest
188.9¢/L
Ultramar
Most expensive
188.9¢/L
Stations
2
Regular gas
A 50 L fill-up of regular gas at the cheapest station instead of the average price: you save $0.00.
cheaper average more expensive