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Flights from Ontario to Montreal
There are no direct flights from Ontario to Montreal. The fastest way is one stop via Chicago or Atlanta, about 6h 52m door to door (119 connections a week on current schedules).
No direct flights · 6 connection options From 6h 52m Prices checked 14 days ago
Ontario to Montreal at a glance
Cheapest returnUS$579Wed 10 Feb – Sat 13 FebFastest journey6h 52mVia Chicago, on current schedules
Nonstop flightsNoneConnect via Chicago or Atlanta
Best ways to fly from Ontario to Montreal
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ONT Chicago (ORD) YMQ
Leg 1: United Airlines, Volaris · Leg 2: Air Canada, United Airlines, Republic Airlines
Wed07:00 ONT12:50 ORD1h 10m connection14:00 ORD16:52 YMQUnited Airlines
2Search
ONT Atlanta (ATL) YMQ
Leg 1: Delta Air Lines · Leg 2: Air Canada, Delta Air Lines, Air Canada Jazz
Mon07:15 ONT14:13 ATL0h 47m connection15:00 ATL17:21 YMQDelta Air Lines
3Search
ONT Denver (DEN) YMQ
Leg 1: Frontier Airlines, Southwest Airlines, United Airlines · Leg 2: Air Canada
Mon05:00 ONT08:01 DEN1h 44m connection09:45 DEN15:09 YMQUnited Airlines + Air Canada
4Search
ONT San Francisco (SFO) YMQ
Leg 1: Frontier Airlines, United Airlines · Leg 2: Air Canada, United Airlines
Mon09:15 ONT10:27 SFO1h 03m connection11:30 SFO19:44 YMQUnited Airlines + Air Canada
5Search
ONT Las Vegas (LAS) YMQ
Leg 1: Frontier Airlines, Southwest Airlines · Leg 2: Air Canada, Air Canada Rouge
Sun20:30 ONT21:24 LAS2h 21m connection23:45 LAS07:19 YMQFrontier Airlines + Air Canada
6Search
ONT Dallas (DFW) YMQ
Leg 1: American Airlines, Frontier Airlines · Leg 2: Air Canada, American Airlines, Air Canada Rouge
Wed06:00 ONT10:47 DFW2h 13m connection13:00 DFW17:15 YMQAmerican Airlines + Air Canada Rouge
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
- 3,921 km2,435 miles
- Journey time
- 6h 52mon current schedules
- Time difference
- +3hMontreal vs Ontario
- Currency in Montreal
- CAD
- Airports
- ONT → YUL, YHU, YMX
Flights from Ontario to Montreal: questions answered
Are there direct flights from Ontario to Montreal?
No. There is no nonstop service, so you will connect, most easily in Chicago, Atlanta 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 Montreal?
With one connection the journey usually takes around 6h 52m, depending on the layover. The straight-line distance is 3,921 km.
Where do you change planes between Ontario and Montreal?
The best connecting points are Chicago (ORD), Atlanta (ATL), Denver (DEN) and San Francisco (SFO). United Airlines flies both legs via Chicago, so you can book it as one ticket.
Which airports serve Ontario and Montreal?
Ontario: Ontario International Airport (ONT). Montreal: Montreal / Pierre Elliott Trudeau International Airport (YUL), Montréal / Saint-Hubert Metropolitan Airport (YHU) and Montreal Mirabel International Airport (YMX).
What is the time difference between Ontario and Montreal?
Montreal is 3 hours ahead of Ontario.
