Originally Posted by
boar
I apologize if this has already been discussed elsewhere but can a
tourist pay for everything in pesos in Argentina including both
Domestic and international air tickets and hotels?
Yes, Pesos will be perfectly acceptable.
Even if your hotel quotes you a rate in Dollars, when you check out and pay they must convert the Dollar rate at the official exchange rate and present you with a bill in Pesos, which you can of course settle in cash (Pesos). Same goes for airline tickets.