The following active airports serve the area around Ottawa, Ontario, Canada, lying under or adjacent to Ottawa's terminal control area:
Macdonald-Cartier handles all of the scheduled passenger service for Ottawa, in addition to a large amount of general aviation and some military traffic. The remaining airports serve almost exclusively general aviation. Macdonald-Cartier, Gatineau, Carp, Smiths Falls, and Arnprior have instrument approaches and winter maintenance for year-round, all-weather operations.