Flights Montreal to Ontario
For the best Montreal – Ontario fares, aim for October (€478 seen) rather than November (€480).
Friday is on average the cheapest day to leave (€479).
2 prices were recorded on this route over the last 60 days.
Updated September 23, 2026
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€478Lowest price seen (60 d)
€479Median price
—Direct flight
2Prices recorded
Prices by departure month
Airlines seen
American Airlines
United Airlines
Door-to-door cost
The real cost includes getting to the airport (fuel, tolls, parking or train), luggage and the transfer on arrival. Add your address in the form to calculate it.
Frequently asked questions
What is the cheapest month to fly Montreal – Ontario?
Based on prices seen, October (from €478).
Which airport is closest to Ontario city centre?
Ontario (ONT), 4 km from Ontario centre.
Nearby destinations, same departure
See also
Prices are indicative and dated. The final price is confirmed on the partner’s site.