In Argentina many travellers are used to travel by bus, this means by long distance buses. These trips are much more longer than travel by plane, but much more cheaper too. For example to travel from Buenos Aires to Neuquén takes about 16 hours, just to get the idea. By plane the trip takes about 2 hours. Check some * argentinian long distance bus companies website to check prices or schedules. It is recommended to buy the ticket to or three days before the trip (at least) to get a better price for it.