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Flights from Ontario to Buffalo
There are no direct flights from Ontario to Buffalo. The fastest way is one stop via Las Vegas or Chicago, about 6h 02m door to door (139 connections a week on current schedules).
No direct flights · 6 connection options From 6h 02m
Ontario to Buffalo at a glance
Fastest journey6h 02mVia Las Vegas, on current schedules
Nonstop flightsNoneConnect via Las Vegas or Chicago
Best ways to fly from Ontario to Buffalo
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ONT Las Vegas (LAS) BUF
Leg 1: Frontier Airlines, Southwest Airlines · Leg 2: Southwest Airlines
Sat05:45 ONT06:35 LAS1h 10m connection07:45 LAS14:47 BUFSouthwest Airlines
2Search
ONT Chicago (ORD) BUF
Leg 1: United Airlines, Volaris · Leg 2: American Airlines, United Airlines, Envoy Air
Fri07:00 ONT12:50 ORD1h 10m connection14:00 ORD16:17 BUFUnited Airlines
3Search
ONT Denver (DEN) BUF
Leg 1: Frontier Airlines, Southwest Airlines, United Airlines · Leg 2: Frontier Airlines, Southwest Airlines, United Airlines
Sat07:00 ONT09:55 DEN1h 35m connection11:30 DEN16:20 BUFSouthwest Airlines
4Search
ONT Dallas (DFW) BUF
Leg 1: American Airlines, Frontier Airlines · Leg 2: American Airlines
Thu06:15 ONT11:02 DFW0h 58m connection12:00 DFW15:42 BUFAmerican Airlines
5Search
ONT Atlanta (ATL) BUF
Leg 1: Delta Air Lines · Leg 2: Delta Air Lines, Frontier Airlines
Mon07:15 ONT14:13 ATL1h 32m connection15:45 ATL17:33 BUFDelta Air Lines
6Search
ONT New York (JFK) BUF
Leg 1: JetBlue Airways · Leg 2: JetBlue Airways
Sun22:30 ONT06:25 JFK3h 05m connection09:30 JFK10:43 BUFJetBlue Airways
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 3,481 km2,162 miles
- Journey time
- 6h 02mon current schedules
- Time difference
- +3hBuffalo vs Ontario
- Currency in Buffalo
- USD
- Airports
- ONT → BUF
Flights from Ontario to Buffalo: questions answered
Are there direct flights from Ontario to Buffalo?
No. There is no nonstop service, so you will connect, most easily in Las Vegas, Chicago and Denver. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Ontario to Buffalo?
With one connection the journey usually takes around 6h 02m, depending on the layover. The straight-line distance is 3,481 km.
Where do you change planes between Ontario and Buffalo?
The best connecting points are Las Vegas (LAS), Chicago (ORD), Denver (DEN) and Dallas (DFW). Frontier Airlines flies both legs via Las Vegas, so you can book it as one ticket.
Which airports serve Ontario and Buffalo?
Ontario: Ontario International Airport (ONT). Buffalo: Buffalo Niagara International Airport (BUF).
What is the time difference between Ontario and Buffalo?
Buffalo is 3 hours ahead of Ontario.
