Gas prices in Logan tend to be slightly higher than in the Salt Lake area. Flying J and Maverick typically have the lowest fuel prises in the Logan Area. Gasoline prices in Utah tend to be lower than the national average. Utah gas price changes tend to fall behind the national trend. When prices go up nationally, gasoline in Utah typically is less expensive. When national fuel prices go down quickly, gas prices in Utah are usually more expensive for a time. This widget compares gasoline prices in Logan Utah.