Gas prices in Saint-Constant
Prices updated Oct 31, 2026 at 8:30 a.m. (3 min ago)
Average price
187.9¢/L
+4.0% vs region
Cheapest
185.9¢/L
Sonic
Most expensive
189.9¢/L
Stations
5
Regular gas
A 50 L fill-up of regular gas at the cheapest station instead of the average price: you save $1.00.
cheaper average more expensive
All stations, cheapest first
| # | Station | Regular | Votes |
|---|---|---|---|
| 1 | Sonic
107 rue Saint-Pierre, suite 200 |
185.9¢/L -1.1% |
|
| 2 | Esso
3 rue Monchamp |
185.9¢/L ▲ 9¢-1.1% |
|
| 3 | Couche-Tard
155 montée Saint-Régis |
188.9¢/L +0.5% |
|
| 4 | Ultramar
46 rue Saint-Pierre |
188.9¢/L +0.5% |
|
| 5 | Couche-Tard
71 rue Saint-Pierre |
189.9¢/L ▲ 1¢+1.1% |
Frequently asked questions
What is the cheapest gas station in Saint-Constant today?
Today, the lowest regular gas price in Saint-Constant is at Sonic (107 rue Saint-Pierre, suite 200) in Saint-Constant: 185.9¢ per litre.
How much is a litre of regular gas in Saint-Constant?
The average regular gas price today in Saint-Constant is 187.9¢ per litre, with a low of 185.9¢ and a high of 189.9¢ across 5 stations, 4.0% more than the average in the region (Montérégie).
How much can I save by filling up at the cheapest station in Saint-Constant?
For a 50-litre fill-up, about $1.00 compared with the average price.