American Airlines Offers Winter Flight Sale with Fares Under $100 for Warm Destinations

American Airlines is offering holiday travelers reduced fares for travel to warmer destinations, with select domestic one-way fares and round-trip fares for under $100. Some of the lowest fares are tied to popular warm destinations in Florida, with one-way flights from New York to Miami and Atlanta to Miami starting at $46. Travel dates run from January through early March 2026, and availability is limited.