Price of gas up in Halifax Halifax, NS, Canada / Hot Country 103.5 Skye Bryden-Blom Jul 2, 2021 | 5:01 AM Mike Mozart / CC The price of regular self-serve gas is up in Nova Scotia. The new minimum price in the Halifax area is $1.342, which is an increase of 2 cents per litre from last week. No change in the price of diesel overnight. It remains at $1.231 per litre.