The distance from Montreal / Point Zero Helipad () to Ontario International Airport (ONT) is 2430 miles or 3910 kilometers or 2110 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
3910 kilometers is the direct flight distance between Montreal / Point Zero Helipad (Canada) and Ontario International Airport (United States).
How long does it take to travel from Montreal ( Canada ) to Ontario ( United States )?
A one-way nonstop (direct) flight between Montreal and Ontario takes around 5 hours 35 minutes.
Estimated
flight time from Montreal / Point Zero Helipad, Montreal, Canada to Ontario International Airport, Ontario, United States is
5 hours 35 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • - ONT
| Kilometers | | 3910 km |
| Statute Miles | | 2430 miles |
| Nautical Miles | | 2110 nm |
| Avg. Time of Flight | | 5 hours 35 minutes |
Montreal / Point Zero Helipad to Ontario International Airport Flight Route Map - to ONT Flight Path
Location of Montreal / Point Zero Helipad & Ontario International Airport is given below.
Click the map to view Montreal to Ontario nonstop flight path and travel direction.
Click to see flight route on Google Map between Montreal, Canada and Ontario, United States. .
Nonstop flight route between Montreal, Canada and Ontario, United States.
Time Difference Between the Airports • - ONT
Time difference between
Montreal (Canada) and
Ontario (United States) is 3 Hours.
Ontario time is 3 Hours behind Montreal.
| Location | Local Time |
| Montreal (Canada) | 2026-03-20, 00:05:35 EDT |
| Ontario (United States) | 2026-03-19, 21:05:35 PDT |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.