Sunwing Airlines (WG, Toronto Pearson) will commence scheduled services from Buffalo Niagara International to Cancún and Punta Cana in the Dominican Republic with effect from next year. The seasonal, weekly flights will be the airport's first international routes.

At present, Buffalo is served by six US-based carriers - American Airlines (AA, Dallas/Fort Worth), Delta Air Lines (DL, Atlanta Hartsfield Jackson), JetBlue Airways (B6, New York JFK), Southwest Airlines (WN, Dallas Love Field), United Airlines (UA, Chicago O'Hare), and US Airways (Phoenix Sky Harbor) - which, combined, offer connections to 89 local destinations.