Which airlines fly from BUF to ONT?

We don't have confirmed airline data for this exact airport pair — try the search box above for live availability.

Are there other airports near Buffalo Niagara International Airport?

Yes — there are 4 other real airports with scheduled service near Buffalo Niagara International Airport. See the alternatives above — it's worth comparing fares, since a different departure airport can sometimes be cheaper.

Are there other airports near Ontario International Airport?

Yes — there are 5 other real airports with scheduled service near Ontario International Airport. See the alternatives above.

Search BUF → ONT

Buffalo Niagara International Airport to Ontario International Airport — compare flights, hotels, cars, and activities.

Direct flights onlyMy dates are flexible (±3 days)Don't know where yet? Explore everywhere

500+airlines & travel sites compared

1,200+routes tracked

€0booking fees from us

Buffalo Niagara International Airport (BUF) to Ontario International Airport (ONT) Flights

Q: How far is it from Buffalo Niagara International Airport to Ontario International Airport?

The great-circle distance between BUF and ONT is approximately 3,490 km.

Buffalo (via Buffalo Niagara International Airport, one of several airports serving the area) to Ontario (via Ontario International Airport, one of several airports serving the area) — a real distance of 3,490 km.

3,490 km

Distance

—

Cheapest fare on file

Confirmed airlines

Alternative airports

Compare other airport pairs

Real nearby airports for each side — worth checking, since a different departure or arrival airport can sometimes mean a cheaper fare or shorter transfer.

From near Buffalo instead