[Racer26]

You could conceivably substitute Toronto (YYZ) for Niagara Falls International Airport (IAG) or Buffalo (BUF).

Both are within a two hour drive of Toronto, and typically YYZ commands a 50% or greater price premium over them. Most pleasure travellers I know steadfastly refuse to fly from Pearson, preferring instead to drive over the border and fly from Buffalo or Niagara. It means you don't have to deal with customs in the airport (the land crossing guards are much easier to deal with) AND its substantially cheaper.