Distance From London (Pioneer Airpark) to Ontario International Airport

The distance from London (Pioneer Airpark) () to Ontario International Airport (ONT) is 2043 miles or 3288 kilometers or 1775 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.

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How long does it take to travel from London ( Canada ) to Ontario ( United States )?

A one-way nonstop (direct) flight between London and Ontario takes around 4 hours 41 minutes.

Estimated flight time from London (Pioneer Airpark), London, Canada to Ontario International Airport, Ontario, United States is 4 hours 41 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		3288 km
Statute Miles		2043 miles
Nautical Miles		1775 nm
Avg. Time of Flight		4 hours 41 minutes

London (Pioneer Airpark) to Ontario International Airport Flight Route Map - to ONT Flight Path

Location of London (Pioneer Airpark) & Ontario International Airport is given below.
Click the map to view London to Ontario nonstop flight path and travel direction.

Click to see flight route on Google Map between London, Canada and Ontario, United States. .

Nonstop flight route between London, Canada and Ontario, United States.

Time Difference Between the Airports • - ONT

Time difference between London (Canada) and Ontario (United States) is 2 Hours.
Ontario time is 2 Hours behind London.

Location	Local Time
London (Canada)	2026-11-01, 02:26:48 EST
Ontario (United States)	2026-11-01, 00:26:48 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.

Origin

London (Pioneer Airpark) ( / CPN8) London, Canada

Destination

Ontario International Airport (ONT / KONT) Ontario, United States