Drivers in a large part of western Canada are paying more for gas, with prices jumping nearly 20 cents per litre in some major cities in just one week.

In Saskatoon and Regina the average price for a litre of gas on Thursday was listed as 124.9 cents, according to the website Tomorrowsgaspricetoday.com. A week ago, the price of gas, for both cities, was listed at 108.9 cents per litre.

Winnipeggers saw the average price per litre of gas jump from 104.4 cents a week ago to 122.9 cents per litre on Thursday. In Calgary, the average price for a litre of gas on Thursday was listed as 122.9 cents, an increase from 111.9 cents per litre a week ago.