1. You can jet off to Mexico City for as low as $165, but more likely about $250, on both the Day of the Dead and Thanksgiving. Worth usually about $500, Aeromexico, American, Delta, Interjet, JetBlue, United, VivaAerobus, and Volaris airlines are offering up to 67% off on roundtrip tickets to the city. Flights leave from dozens of locations all over America, including New York City, San Francisco, Boston, Los Angeles, Chicago, and more, although these fares roughly range between $200-270. The deal doesn't include a checked bag, which is $30 extra.