Airport Verified in app

Ottawa Macdonald–Cartier – CBSA

Ottawa Macdonald–Cartier International Airport

Country: Canada
IATA: YOW
ICAO: CYOW
Type: Airport

Yes, there is a customs carnet desk here. Finding it is the hard part: these offices are often unmarked, tucked away, and keep their own hours. Customs Finder has the directions.