Winnipeg James Armstrong Richardson International Airport Airport is the only commercial international airport within the province as the other airports of entry serve domestic flights and general aviation only. The airport is operated by the Winnipeg Airport Authority as part of Transport Canada's National Airports System and is one of eight Canadian airports that has US Border Pre-clearance facilities. Winnipeg's relatively isolated geographical location in relation to other major population centres makes Winnipeg International Airport the primary airport for a very large area. As such, it is used as a gateway not only to all of Manitoba, but large parts of neighbouring provinces and territories (Saskatchewan,
Winnipeg River interior, including one on the Rainy River. Competition ended in 1821 when the two companies merged and trade was diverted to York Factory on Hudson Bay. Trade was also diverted south as population grew on the United States side. The last major use of the route was by the Wolseley Expedition in 1870. After 1885 the Canadian Pacific Railway connected eastern and western Canada with a route north of Lake Superior. Trading posts on the route were: Winnipeg River The Winnipeg River is a Canadian river which flows roughly northwest from Lake of the Woods in the province of Ontario