Canada April 25 2019 3:55pm 00:55 Where in Canada is gas most expensive? Here are the most expensive gas prices in Canada, according to GasBuddy.com. The gas prices are averages that are constantly fluctuating, sometimes by the hour. Canadians set to see summer of high gas prices, with Vancouver poised to break records Gas in Vancouver hovers above $1.70 a litre — is this what the rest of Canada is in for? Responsive site?