Originally Posted by
yyztozag
I'm planning a mileage run YYZ-YUL in December, same day return (about 2 hours later). I'm wondering if I would have to clear security in YUL after getting off my inbound flight in order to go the MLL, and then to the gate for my outbound flight.
Thanks!
Not unless you really screw up.
Remember that it will be the DOM MLL; there is a BP check to get to any of the international area.