What to do on a 6-night trip Bariloche and El Calafate From: USD 1,281 El Calafate and Ushuaia From: USD 1,511 Mendoza and Iguazú Falls From: USD 1,029 Mendoza and San Juan From: USD 786 Península Valdés and El Calafate From: USD 1,424 Salta, Jujuy and Iguazú Falls From: USD 976