By plane
Mont Tremblant International Airport IATA: YTM (http://www.mtia.ca/)}}has seasonal direct flights to and from several US cities, such as Philadelphia and Dallas. Continental Airlines operates scheduled service to Mont Tremblant airport from Newark, and Porter Airlines from Toronto.
The nearest major airport is in Montreal.
By car
Mont-Tremblant is most easily reached via Autoroute 15 North from Montreal to Sainte-Agathe, where it merges with 117 for the last 30 km still four-laned highway. Take exit 119 Montée Ryan to Chemin Duplessis and follow indications for Tremblant Resort. The trip takes about 90 minutes.
From the west Ottawa and Toronto, it's possible to use smaller roads to shave a few kilometers off the journey, but the roads are very small at times and may be snowed in during the winter. Detouring via Montreal is thus, in all likelihood, the faster option.
If you are driving in the winter remember Snow Tyres are now Law in Quebec! Only mandatory for vehicles registered in Quebec.
Car Rental really is essential if your looking to maintain your independence in and out of the resort, but prices vary dramatically between operators so do your homework on price comparisons.
By bus
Two intercity bus lines provide service into Mont-Tremblant. The primary service is operated by Groupe Galland (http://www.galland-bus.com/) between Montreal, Mont-Tremblant, and Mont-Laurier. There are generally six trips daily between Montreal and the St-Jovite section of Mont-Tremblant; some trips provide direct or connecting service to the Mont-Tremblant resort. Two of the trips continue beyond Mont-Tremblant to Mont-Laurier. Autobus Maheux (http://www.autobusmaheux....) also provides service to the St-Jovite section of Mont-Tremblant, but the service is restricted to carrying passengers only to points north of Mont-Laurier local transportation to points between Montreal and Mont-Laurier is provided exclusively by Groupe Galland. During the winter ski season, Skyport (http://www.skyportinterna...) provides direct service between the Montréal-Trudeau airport and the Mont-Tremblant resort.
Most bus travelers from Ontario and points west travel first to Montreal, then to Mont-Tremblant. However, it may be possible to save some travel time by going through Ottawa instead of Montreal. Voyageur (http://www.greyhound.ca) operates one bus daily two buses on Fridays and Sundays between Ottawa and Grand-Remous, with a connection in Grand-Remous to Autobus Maheux (http://www.autobusmaheux....) for service to and from Mont-Tremblant. Check schedules carefully before travel.
Regional transit bus service is provided by Transport collectif intermunicipal Laurentides (http://www.tcil.qc.ca/). There are eight weekday and three weekend trips that provide service to all points between the St-Jovite section of Mont-Tremblant and Saint-Jérôme. There are also two weekday services to all points between Mont-Tremblant and L'Assomption. At Saint-Jérôme, connections may be made with the rush hour only commuter trains between Saint-Jérôme and Montreal, operated by Agence métropolitaine de transport (http://www.amt.qc.ca); and also bus #9 between Saint-Jérôme and the Montmorency Métro (http://www.stm.info) station in Laval, operated by C.I.T. Laurentides (http://www.citl.amt.qc.ca/). Using the regional transit services, it is possible to travel from downtown Montreal to Mont-Tremblant for just $12.25, considerably less that the fare on one of the intercity carriers which are not that much faster, though are more comfortable.
Within Mont-Tremblant, transit service is available between the St-Jovite section and the Mont-Tremblant resort operated by a contractor to the local Chamber of Commerce. (http://www.villedemont-tr...)