Flights from London (LON) to Ontario (ONT)

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Find and book cheap flights from London to Ontario. We compare hundreds of flights from London to Ontario from a range of airlines and travel agents to get you the best flight deals.
London (LHR) to Ontario (ONT)
 Depart between
Now - 21 Jun 15

Availability within date range limited, check with advertiser

Uploaded 5 days ago

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  1 more HolidayGenie.com flights available on this route
£3,984   Dep Now - 21 Jun 15
London to Ontario
LHR to ONT HolidayGenie.com
London (LHR) to Ontario (ONT)
 Depart between
Now - 30 Apr 15

Availability within date range limited, check with advertiser

Uploaded 8 hours ago

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  2 more Crystal Travel flights available on this route
£598   Dep Now - 21 Apr 15
London to Ontario
LHR to ONT Crystal Travel
£681   Dep Now - 21 Apr 15
London to Ontario
LHR to ONT Crystal Travel
London (LHR) to Ontario (ONT)
 Depart between
Now - 21 Jun 15

Availability within date range limited, check with advertiser

Uploaded 5 days ago

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  1 more GenieFlights.com flights available on this route
£3,984   Dep Now - 21 Jun 15
London to Ontario
LHR to ONT GenieFlights.com
London (LHR) to Ontario (ONT)
 Depart between
Now - 21 Jun 15

Availability within date range limited, check with advertiser

Uploaded 5 days ago

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  1 more Flying Eagles flights available on this route
£3,984   Dep Now - 21 Jun 15
London to Ontario
LHR to ONT Flying Eagles
London (LHR) to Ontario (ONT)
 Depart between
Now - 21 Jun 15

Availability within date range limited, check with advertiser

Uploaded 11 hours ago

 
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Business class flights
London (LHR) to Ontario (ONT)
 Depart between
Now - 30 Jun 15

Availability within date range limited, check with advertiser

Uploaded 11 hours ago

 
Prices from
London (LHR) to Ontario (ONT)
 Depart between
Now - 01 Jul 15

Availability within date range limited, check with advertiser

Uploaded 12 days ago

 
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      Travel information for London to Ontario

      Photo of California   California
      Partners with offers for flights fromLondon to Ontario7
      Deals on offer forLondon to Ontario13
      Cheapest flight forLondon to Ontario£536
      Average deal price forLondon to Ontario£1447
      Average flight time forLondon to Ontario13 hrs 44 mins
      London to Ontarioonly 5422 miles

        Facts and figures about flying from London to Ontario

      • London to Ontario flights have a very low cancellation rate
      • Flights between London and Ontario are rarely subject to diversions
      • Flights from London to Ontario are rarely delayed