Best airfares from Ontario to London
Jetradar compares airfares from Ontario to London with hundreds of airlines (including United Airlines, American Airlines, Lufthansa) and dozens of online travel agencies in one single place. We provide you with all the options to find the cheapest flights to London, you choose where to book. Also there you can find airlines special offers from Ontario to London. The cheapest round-trip price found within the last week was $518. The cheapest oneway price found within the last week was $604.Cheapest Flights from Ontario, CA to London
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Airline One Way One Way / Round-Trip Round-Trip 
United Airlines $1,002 $524 
American Airlines $681 $556 
Lufthansa $1,443 $524 
Emirates Find $2,923 
British Airways $681 $566 -
Airline One Way One Way / Round-Trip Round-Trip 
Alaska Airlines $1,694 $2,379 
Air France $1,066 $562 
Air Canada $1,127 $624 
KLM $1,268 $1,601 
Swiss International Air Lines $2,303 $1,474 -
Airline One Way One Way / Round-Trip Round-Trip 
Aeromexico $2,754 $2,029 
Austrian Airlines $1,146 $524 
Iberia $855 $716 
Brussels Airlines $1,146 $543 
Finnair $684 $566 -
Airline One Way One Way / Round-Trip Round-Trip 
Scandinavian Airlines $3,081 Find 
Westjet Find $1,693 
Aer Lingus $1,008 $1,270 
Virgin Atlantic $1,066 $525 
Norwegian Air $244 $673
Flights from Ontario to London
Travelling from Ontario to London advices and facts
- The distance between Ontario and London is 5440 miles (or 8755 kilometers).
- When you fly from Ontario to London, don't forget about the time difference. The time in London is 08:00 from the Ontario time. The current time in London is 12:57pm and 04:57am in Ontario. Check this again shortly before your flight.
- The currency exchange rate between Ontario (ONT) and London (LON) is 1 USD = 0.8029 GBP.