Flights from Ontario to London Heathrow

Our cheapest offers for flights from Ontario to London Heathrow

Here you can compare cheap flights from Ontario (ONT) to London Heathrow (LHR) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to London Heathrow. Prices and availability may change at any time.

Important flight information

Flight information: Ontario - London Heathrow

Distance 8717 km
Departure airport Airport Ontario-CA (ONT)
Arrival airport Airport London Heathrow (LHR)
Destination country Flights to United Kingdom