Think of confirming your flight back at least ten days before the departure
date (in order to keep the reservation).
In case of health problems (up to 4 months after your return), tell your
doctor about the trip.
After checking your luggage and before going to the boarding gate, you must
pay an airport tax ($28.24 in dollars); this is obligatory and the sticker that
proofs it (on your ticket) must be visible.
Keep with you the bills of purchased local pottery to certified that they
are not authentic and that they don't belong to the national patrimony. You
could be asked for them at the airport.
Don't forget the form distributed in the plane (immigration form), and stamped
at the arrival to the airport (it is a sort of visa to leave the country)...
You must know that taking out of the country pre-Columbian antiques and
original Inca art is forbidden without special authorization. You risk a penalty
and sometimes temporary imprisonment. But if you don't know the right people
(and pay the "big" price), all you can find are reproductions, even
if the salesman swears that his great statuette is 600 years old...
Entrance of foodstuffs, flowers, plants and animals to the arrival country
is generally forbidden; meanwhile, the risk is small, and the consequences