Join Date: Aug 2011
Location: Barcelona, London, on a plane
Programs: IB+ Gold, TK E+, Hyatt Globalist, Marriott LTP, IHG Diamond
Posts: 14,184
The tricky part might be booking a fare in pesos that isn't just for Argentine residents only.
In theory, the use of a foreign credit card should now get you the MEP rate but I won't be back there until April to try it for myself.