Panama-based Copa Airlines has a round trip deal to Montevideo, Uruguay for $397 round-trip. Departure cities include Los Angeles, New York and Miami. Montevideo is within a short ferry ride’s distance from the Argentine capital Buenos Aires.
Here’s a sample itinerary departing LAX over Thanksgiving.
The not-so-big capital of a small country that is not often in the international news, and while not exactly a world center of gourmet gastronomy, Montevideo is a city where one can eat wonderfully and relatively cheap, with plenty of local character (no, it’s not the same cuisine as in Argentina), yet not too exotic for most tastes. via Wikitravel