Flight Routes from Ontario to Buffalo

Compare cheap outbound and return flights from Ontario (ONT) to Buffalo (BUF) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€616
Flight distance
3,493 km
Time difference

Cheap flight offers from Ontario to Buffalo

sorted by price and recency
  1. –
    Delta Air Lines
    –
    ONT–BUF
    1 stopover
    Delta Air Lines
    –
    BUF–ONT
    1 stopover
    €3,009
  2. –
    American Airlines
    –
    ONT–BUF
    1 stopover
    American Airlines
    –
    BUF–ONT
    1 stopover
    €616

Flight schedule from Ontario (ONT) to Buffalo (BUF)

Select a travel date in the flight schedule for the route from Ontario (ONT) to Buffalo (BUF) and compare affordable flight deals.

offers
Active filtersnone
Matching outbound flightsONT–BUF · 2 of 2
fromto
dep.arr.
durationstopovers
  1. November 15 – 21, 2026
  2. November 22 – 28, 2026
  3. Nov 29 – Dec 5, 2026
    1. ONTBUF
      nonstop
      1. United Airlines
    2. ONTBUF
      nonstop
      1. United Airlines

      Important flight information

      Discover more flights around Ontario and Buffalo

      Departure airport Airport Ontario-CA (ONT)
      Arrival airport Airport Buffalo Niagara International, NY (BUF)
      Destination country Flights to United States
      Departure airport - Destination country Ontario-CA - United States
      Alternative routes to United States
      Alternative flights to Buffalo
      Flight destinations with a similar price
      Flight destinations with a similar price