Distance From Liège Airport to Ontario International Airport, LGG - ONT Distance

The distance from Liège Airport (LGG) to Ontario International Airport (ONT) is 5637 miles or 9071 kilometers or 4895 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 Liège ( Belgium ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Liège and Ontario takes around 12 hours 57 minutes.

Estimated flight time from Liège Airport, Liège, Belgium to Ontario International Airport, Ontario, United States is 12 hours 57 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 • LGG - ONT

Kilometers		9071 km
Statute Miles		5637 miles
Nautical Miles		4895 nm
Avg. Time of Flight		12 hours 57 minutes

Liège Airport to Ontario International Airport Flight Route Map - LGG to ONT Flight Path

Location of Liège Airport & Ontario International Airport is given below.
Click the map to view Liège to Ontario nonstop flight path and travel direction.

Click to see flight route on Google Map between Liège, Belgium and Ontario, United States. .

Nonstop flight route between Liège, Belgium and Ontario, United States.

Time Difference Between the Airports • LGG - ONT

Time difference between Liège (Belgium) and Ontario (United States) is 9 Hours.
Ontario time is 9 Hours behind Liège.

Location	Local Time
Liège (Belgium)	2026-08-24, 08:47:59 CEST
Ontario (United States)	2026-08-23, 23:47:59 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

Liège Airport (LGG / EBLG) Liège, Belgium

Destination

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