How to get to the Quebrada de Humahuaca
There are daily flights from Buenos Aires to Salta (approximately 2h 10). Salta is a good place to spend the night.
One can also travel by bus. It is a long trip of more than 1,400 km to Salta and more than 1,600 to Jujuy.
In Salta and Jujuy tours for the trip to the Quebrada de Humahuaca can be hired.