Raleigh/Durham (RDU) to Buffalo (BUF) flights
One airline flies nonstop from Raleigh/Durham (RDU) to Buffalo (BUF): Frontier Airlines. The two airports are 488 miles (785 km) apart. There are also 14 ways to fly it with one stop, through Dulles, Washington and Baltimore and more.
Airlines flying nonstop from RDU to BUF
- Frontier AirlinesNot in an allianceWho books it

RDU to BUF with one stop
14 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Dulles (IAD)United Airlines the whole way


- Via Washington (DCA)American Airlines the whole way



- Via Baltimore (BWI)Southwest Airlines the whole way


- Via Philadelphia (PHL)American Airlines the whole way



- Via Charlotte (CLT)American Airlines the whole way


- Via New York (EWR)United Airlines the whole way



- Via New York (LGA)American Airlines and Delta Air Lines the whole way




- Via New York (JFK)JetBlue Airways and Delta Air Lines the whole way





- Via Detroit (DTW)Delta Air Lines the whole way




- Via Boston (BOS)JetBlue Airways and Delta Air Lines the whole way






- Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way




- Via Nashville (BNA)Southwest Airlines the whole way




- Via Chicago (MDW)Southwest Airlines the whole way


- Via Chicago (ORD)American Airlines and United Airlines the whole way




RDU to BUF: common questions
Which airlines fly nonstop from RDU to BUF?
Frontier Airlines flies nonstop from Raleigh/Durham (RDU) to Buffalo (BUF).
How far is Raleigh/Durham from Buffalo by plane?
Raleigh/Durham (RDU) and Buffalo (BUF) are 488 miles (785 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does RDU 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 RDU to BUF with taxes and fees.
Where can I connect between Raleigh/Durham and Buffalo?
The most direct connections are through Dulles (IAD), Washington (DCA), Baltimore (BWI), Philadelphia (PHL) and Charlotte (CLT). On 14 of them the same airline flies both flights, for example United Airlines through Dulles.
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.