Originally Posted by qupasyd

This is an American Airlines business sell-up fare from Miami to Buenos Aires. Availability is mainly for spring 2020, though there are some dates for August/September 2019 as well.

Examples
MIA-EZE -- $1,574
MIA-DFW-EZE -- $1,674

There is a similarly priced fare on the reverse route:
EZE-DFW-MIA -- $1,573