Cheap Flights from Ontario International Airport to London (UK) (LHR) Find and Compare the Best Airline Deals | Skyticket

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2025/12
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2025/12
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Ontario－Heathrow Airport
December Lowest Airfares
USD666

The airfare displayed above is for United Airlines

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Ontario－Heathrow Airport
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Ontario－Heathrow Airport
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Ontario－Heathrow Airport
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Ontario－Heathrow Airport
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Ontario－London (UK)
Estimated Flight Time
11 Hours 28 Minutes
Ontario－London (UK)
Number of Operating Airlines
9

Operating Airlines for Ontario－Heathrow Airport Route
American Airlines

Air Canada

Air France

British Airways

Delta Air Lines

Iberia Airlines

Klm Royal Dutch Airlines

United Airlines

Virgin Atlantic

Other Destinations from:Ontario

Ontario－London (UK)(London City)
USD1,097〜
* Fares vary in accordance to seat availability
Other Departures to: London (UK)

Philadelphia Airport－London (UK)(Heathrow)
USD773〜
* Fares vary in accordance to seat availability