The Buffalo Niagara International Airport located in Cheektowaga NY has no international flights. There is a Niagara Falls NY airport which has two carriers serving routes within the United States. If you are flying internationally you will likely use Toronto’s Lester Pearson Airport.
Distance to the Falls from:
Toronto Pearson International airport: 76 miles / 122 km 1 hour 9 minute drive time (90 minutes is typical).
Buffalo Niagara International Airport: 25.8 miles / 42 km 32 minute drive time
Niagara Falls Airport: 9 miles / 14.5 km 15 minute drive time
Airlines serving Buffalo / Niagara Falls International Airport (code BUF)
Jetblue 800-538-2583
Southwest 800-435-9792
American Airlines 800-428-4322
Delta 800-221-1212
United 800-241-6522
Buffalo airport website
Airlines serving Toronto Lester Pearson Airport (code YYZ)
American 800-433-7300
United 800-523-3273
AirCanada 888-247-2262
American Airlines 800-428-4322
Delta 800-221-1212
United 800-241-6522
Toronto airport website
To get to Niagara Falls by air most international travelers arrive in Toronto, Ontario Canada.
Buffalo/Niagara airport serves travelers from within the United States.
Airport codes: enter BUF (Buffalo) or YYZ (Toronto) as the destination city
There are a very limited number of commercial flights directly to the Niagara Falls NY USA airport.