Lower level
Baggage claim and the ground transportation area.
Buffalo Niagara International Airport (BUF) terminal guide
Buffalo, New York KBUF #63 US airport by passengers
How BUF is laid out and how to move between buildings.
Terminals at BUF
Second level (departures)
Ticket counters, the TSA checkpoint and all gates. Seating is available on both levels.
Concourses A and B
Both concourses are connected after security, so you can walk between all gates without re-screening.
Moving between terminals
Concourses A and B are fully connected after the central security checkpoint. You can walk between all gates without leaving the secure area or screening again.
Reviewed October 9, 2026. Confirm details on the official airport website. Spotted a change?