Fly from Washington DC to Rio de Janeiro for $631 round-trip on American Airlines.
Searching AA.com, we found seats available for travel over the Thanksgiving holiday, departing IAD on Sunday, November 22, returning from GIG on the following Sunday, November 29. Flights connect via Miami MIA.
Plenty of other dates available for travel from August through November.
Visit our Rio de Janeiro GIG fare listings for a complete look at current deals from all over the US and Canada.
Need a room in Rio? Here's a look at what's available for the above dates on Hotelwatchdog.