Flights leave every Sunday and a few Thursdays from the Esso Executive Terminal of the International Airport in Vancouver. Return Flights from Chilko Lake at approx. Luggage is limited to 35 lbs. Tickets are not necessary, airline has list of names. Depending on flight loads other air charter companies might be involved.
Most airport hotels have free shuttel.
The easiest way is to take a cab and tell them to go to the South Terminal. Every taxi driver should know. The South Terminal is approx. 5-10 minutes driving time from the Main Terminal. All airport hotels have a shuttle bus that can take you direct to the South Terminal, just make sure you indicate this to your driver when you enter the bus.