TAM has some pretty cheap round-trip flights available for Dallas (DFW) to Sao Paulo, Brazil (GRU). Airfare is $611 with a connection. Available from February 2015 into mid-2015. Mid-week departures and returns have the best availability.
[01/23/2015 @ 3:14 PM] Cleaning up expired deals. This deal is long gone. Removed from deal list.