Aerolíneas Argentinas and LAN Argentina are the airlines in charge of keeping united the most important destinations of the country and its capital city. Because of the big distances and the size of the country, the better way to visit the different cities is by plane.
There are two international airports in Buenos Aires:
Ministro Pastrani Airport also called Ezeiza Airport, code EZE runs the international flights. There are a few connection flights from EZE to Bariloche, please check your itinerary carefully.
Aeroparque Jorge Newbery: AEP mostly for domestic flights; in most cases you will need to change airports in Buenos Aires to come to Bariloche.
The suggested minimum connection time between the domestic and the international airport of Buenos Aires is 4 hours.
Depending on the international flights of delegates, it may be necessary to add an extra night at Buenos Aires.