Heads up, deal hunters! Rio de Janeiro is calling, and you can snag roundtrip flights for under $650. The Flight Deal spotted some sweet fares. To find these, they recommend using Matrix Airfare Search by ITA Software. It can be a little clunky, but it's a powerhouse for finding the lowest prices. Why should you care? Well, if you've been dreaming of Carnival, Sugarloaf Mountain, or just relaxing on Copacabana Beach, this is your chance to book without breaking the bank. These prices are lower than usual, so it's worth checking if the dates align with your travel plans. Time to put those travel rewards to use for hotels and experiences!