Originally Posted by
SJOGuy
You know, there's a little more to the answer than I said. If you are flying out on a regularly scheduled airline, the departure tax is included in the price of your ticket. If you're on a charter flight -- that might be the case at a resort area -- then it might not be included, and you'd have to pay at the airport.
Yes, flying out on UA from MEX, so I would imagine that fits your scenario.