Originally Posted by
tentseller
When are you flying in and out of YYZ.
Which airline in and out
Where are you flying from and to(US?)
At YYZ T1 inbound intl arrival passengers can head directly to the US CBP preclearance without having to enter Canada.
I have no idea when they close. They are open before the first flights at 6am. I think it was 4:30 or 5am.
http://www.torontopearson.com/
The last time I went through it was 5AM