St. Catharines/Niagara District Airport is a regional airport located in Niagara-on-the-Lake, Ontario, Canada. It is classified as an airport of entry by NAV CANADA and is staffed by the Canada Border Services Agency on a call out basis from the Queenston-Lewiston Bridge. CBSA officers at this airport currently can handle general aviation aircraft only, with no more than 15 passengers.

FLYGTA Inc., operating as FLYGTA Airlines, established in 2014, is a Canadian air operator serving southern Ontario and Quebec. FLYGTA is a jet charter company with official bases in Toronto, Niagara, Oshawa, Muskoka, and Montreal, and provides air tourism services in Toronto and Niagara Falls, air charter, cargo, and scheduled flights. As of November 6, 2017, the airline served over eight destinations with scheduled flights from Billy Bishop Toronto City Airport to/from destinations such as Barrie/Simcoe, St. Catharines/Niagara, Kitchener/Waterloo, Wiarton/Bruce Peninsula and Muskoka. The flight between Toronto-Billy Bishop and St. Catharines/Niagara is the shortest link between the two cities and is advertised as the shortest commercial flight in North America at 10 minutes according to the company and 15 minutes according to Global News.