Destination, try
Fort Langley Air - Float plane training vancouver in Vancouver;
Victoria Flying Club Victoria Flying Club and
Ocean Air Floatplanes - Floatplane / Seaplane Charters, Tours and Training in Victoria. Depending on where you are in Vancouver, the Victoria locations are a bit closer to town than Fort Langley is to Vancouver.
Have Fun!
A 'cheaper' option might be to take the floatplane from downtown Vancouver to downtown Victoria
Harbour Air If you're there first, you'll be able to sit in the right seat and get a front row view. They won't let you touch the controls though..