Distance From Leicester Airport to Ontario International Airport

The distance from Leicester Airport () to Ontario International Airport (ONT) is 5341 miles or 8595 kilometers or 4638 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 Leicester ( United Kingdom ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Leicester and Ontario takes around 12 hours 16 minutes.

Estimated flight time from Leicester Airport, Leicester, United Kingdom to Ontario International Airport, Ontario, United States is 12 hours 16 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		8595 km
Statute Miles		5341 miles
Nautical Miles		4638 nm
Avg. Time of Flight		12 hours 16 minutes

Leicester Airport to Ontario International Airport Flight Route Map - to ONT Flight Path

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

Click to see flight route on Google Map between Leicester, United Kingdom and Ontario, United States. .

Nonstop flight route between Leicester, United Kingdom and Ontario, United States.

Time Difference Between the Airports • - ONT

Time difference between Leicester (United Kingdom) and Ontario (United States) is 8 Hours.
Ontario time is 8 Hours behind Leicester.

Location	Local Time
Leicester (United Kingdom)	2025-12-16, 18:58:49 GMT
Ontario (United States)	2025-12-16, 10:58:49 PST

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

Leicester Airport ( / EGBG) Leicester, United Kingdom

Destination

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