American Airlines has round-trip flights from Dallas (DFW) to Rio de Janeiro (GIG) for $583, NONSTOP. Flights January to March. No Weekends. Departures on Monday, Tuesday, Wednesday, and Thursday. 7-day minimum stay required.
A Carry-on bag and also a personal item is allowed for free on American. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Read More Nonstop Flights: Dallas to Rio de Janeiro $583 r/t [January-March] – American Airlines