Whether you want to book a last-minute getaway this month, still need to make plans for spring break or are looking ahead to the fall, this deal features flights to Cancun, Los Cabos and Cozumel in Mexico in the $300s — half their normal price. Deal basics FEDERICO SCOTTO/GETTY IMAGES Airlines: American Airlines, Aeromexico and JetBlue.Routes: From New York, Washington, Baltimore, Austin, Los Angeles, Chicago and other cities to Cancun, Los Cabos and Cozumel.How to book: Browse Google Flights and book directly with the airline.Travel dates: January-November; the specific window depends on the route.Book by: One-two days. Thanks to Scott’s Cheap Flights for alerting us of this deal. Scott’s Cheap…