Flights from London Heathrow to Ontario

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Our cheapest offers for flights from London Heathrow to Ontario

Here you can compare cheap flights from London Heathrow (LHR) to Ontario (ONT) 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 Ontario. Prices and availability may change at any time.

Please use our search to find current cheap offers for the following route: from London Heathrow (LHR) to Ontario (ONT)
You can also change your filters (Departure airport: London Heathrow (LHR), Destination airport: Ontario (ONT)) or look for alternative cheap flights.

Tips and tricks to help you find cheap flights from London Heathrow to Ontario

Tip: book 3 months before departure
The best time to find a cheap flight on this route is 3 months before travel. Save up to 28 %.
78 days before departure

Flight information: London Heathrow - Ontario

Distance 8717 km
Departure airport London Heathrow (LHR)
Arrival airport Ontario-CA (ONT)
Destination country United States
Alternative routes to United States
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* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.