Flight Routes from Ontario to London Heathrow

Compare cheap outbound and return flights from Ontario (ONT) to London Heathrow (LHR) and find the best offer from numerous airlines and travel agencies.

Trip type
Flight distance
8,717 km
Time difference

Flight schedule from Ontario (ONT) to London Heathrow (LHR)

Select a travel date in the flight schedule for the route from Ontario (ONT) to London Heathrow (LHR) and compare affordable flight deals.

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Matching outbound flightsONT–LHR · 0 of 0
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  1. October 4 – 10, 2026
  2. October 11 – 17, 2026
  3. October 18 – 24, 2026
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        Important flight information

        Discover more flights around Ontario and London Heathrow

        Departure airport Airport Ontario-CA (ONT)
        Arrival airport Airport London Heathrow (LHR)
        Destination country Flights to United Kingdom
        Departure airport - Destination country Ontario-CA - United Kingdom
        Departure airport - City-Code Ontario-CA - London
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