Toronto is not only simply a larger population base but also it is Canada's #1 business centre by far.
Along with that will come an airport with more to offer in terms of destinations, flights and choices.
For a city the size of Montreal, it's new imrpoved airport is adequate.
It's a similar thing here in Australia. The difference between MEL
is not as great as YYZ
(in terms of population and the business community)... but
has the international draw that seems to lack in MEL
. Hence why there are sooo many more international flights and carriers out of SYD
. However, Melbourne has a bigger domestic market than Sydney which does surprise me.