Originally Posted by
Clipper801
The answer is at the web site linked provided to you by D582 if you care to go there to read.
Yes, eTA is required for British Citizen transiting through Canada to the U.S.
Thanks for the answer. We got our tickets from United airline not Air Canada so it didn’t state that information . So the link you sent has all the information I will check it out now .
Thanks again
can this be done at the airport?