Originally Posted by
hazcaddy
Just a heads-up: your luggage will be off-loaded in YUL also. Be prepared to leave some room in your checked bags - if you have bought Duty Free booze in GVA or on board, you'll have to put it into your checked luggage for the YUL - YYZ leg, as you cannot bring it back on board as cabin baggage (the ol' 100ml rule we know and love so well...).
This has changed. You can now bring Duty Free Liquor on board any Dom flight if you are connecting in Canada. You do not have to put it in your luggage. The bottles must be in approved duty free bag that is seals with your receipt showing. The first airport to allow this was YUL.