Originally Posted by
Bartolo
I don’t know the answer but if you enter with a US passport, won’t you need an ETA? I’m a dual citizen and when I had my non-Canadian passport on my AC file, I couldn’t check in. Caused a huge to do. Took an experienced (and patient) agent almost an hour to fix.
US Passport holders are exempt from ETA (and similarly, Canadian passport holders are exempt from ESTA). Canada officially allows Canadians to enter on a US passport but the inverse is not true.