The price of cigarettes in Ontario is up a few bucks starting today. The cost is up $4 to just over $100 a carton. The increase that works out to about two cents a cigarettes. This increase was announced last year in the 2018 budget and is part of the province’s three-year plan to curb smoking rates. There will be another $4 increase next year. Tobacco taxes account for roughly 70 per cent of the price of cigarettes.