http://www.gridskipper.com/travel/a...tral-america-360-to-sao-paulo-152923.php $298 to Central America: A fare ware has prompted American Airlines to drop prices from Phoenix, Charlotte, Philadelphia, and Pittsburgh to Belize City, Guatemala City, and San Jose and Liberia in Costa Rica. Fares begin at $298 round trip, plus $70 in taxes and fees. No advance purchase required, and fares are good for travel until June 15.