Major airports near Niagara Falls, Canada: The nearest major airport is Niagara Falls International Airport (IAG / KIAG). This airport has domestic flights and is 11 km from the center of Niagara Falls, Canada. Another major airport is Buffalo Niagara International Airport (BUF / KBUF), which has domestic flights from Buffalo, New York and is 43 km from Niagara Falls, Canada. John C. Munro Hamilton International Airport (YHM / CYHM) has domestic flights from Hamilton, Canada and is 87 km from Niagara Falls, Canada.