Cheap Flights from Ontario Intl. Airport (ONT) to Buffalo (BUF)
Popular airlines from Ontario Intl. Airport (ONT) to Buffalo Niagara Intl. Airport (BUF)
Southwest AirlinesSouthwest Airlines
American AirlinesAmerican Airlines
UnitedUnited
DeltaDelta
JetBlue AirwaysJetBlue Airways
Alaska AirlinesAlaska Airlines
Be in the knowGet alerts if flight prices drop or rise*
Book smarterSave on select hotels after you book a flight*
Find the right fitWe search billions of combinations of flights to help you find your next adventure
Travel information
Origin airport | Ontario Intl. Airport |
|---|---|
Destination airport | Buffalo Niagara Intl. Airport |
Distance | 3,488 km away |
Airlines serving | Southwest Airlines, American Airlines, United, Delta, JetBlue Airways, Alaska Airlines |
Popular airline | Southwest Airlines |
*Available to One Key members.