Baltimore (BWI) to Buffalo (BUF) flights
One airline flies nonstop from Baltimore (BWI) to Buffalo (BUF): Southwest Airlines. The two airports are 281 miles (452 km) apart. There are also 8 ways to fly it with one stop, through Philadelphia, New York and Detroit and more.
Airlines flying nonstop from BWI to BUF
- Southwest AirlinesNot in an allianceWho books it
BWI to BUF with one stop
8 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Philadelphia (PHL)Southwest Airlines, then American Airlines
- Via New York (EWR), then United Airlines
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Raleigh/Durham (RDU)Southwest Airlines, then Frontier Airlines
- Via Boston (BOS)Delta Air Lines the whole way
- Via Charlotte (CLT)American Airlines the whole way
- Via Chicago (MDW)Southwest Airlines the whole way
- Via Chicago (ORD)American Airlines and United Airlines the whole way
BWI to BUF: common questions
Which airlines fly nonstop from BWI to BUF?
Southwest Airlines flies nonstop from Baltimore (BWI) to Buffalo (BUF).
How far is Baltimore from Buffalo by plane?
Baltimore (BWI) and Buffalo (BUF) are 281 miles (452 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does BWI to BUF cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for BWI to BUF with taxes and fees.
Where can I connect between Baltimore and Buffalo?
The most direct connections are through Philadelphia (PHL), New York (EWR), Detroit (DTW), Raleigh/Durham (RDU) and Boston (BOS). On 5 of them the same airline flies both flights, for example Delta Air Lines through Detroit.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.