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Find cheap airline tickets from London to Ontario by date

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Find the cheapest London Ontario flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for London - Ontario with these new dates, click on an offer. Want to depart from another city? Choose:

Airlines operating flights from London to Ontario

  • any
  • March 2023
  • April 2023
  • May 2023
  • June 2023
  • July 2023
  • August 2023
  • September 2023
  • October 2023
  • November 2023
  • December 2023
  • January 2024
  • February 2024
  • all
  • Air Canada
  • Delta Air Lines
  • Finnair
  • Lufthansa
  • United Airlines
Lufthansa
outbound: Apr 20, 2023
Lufthansa direct
return: May 11, 2023
Lufthansa direct
Finnair
outbound: Apr 20, 2023
Finnair direct
return: May 11, 2023
Finnair direct
Delta Air Lines
outbound: Apr 20, 2023
Delta Air Lines direct
return: May 11, 2023
Delta Air Lines direct
Air Canada
outbound: Apr 20, 2023
Air Canada 1 stop
return: May 11, 2023
Brussels Airlines direct
United Airlines
outbound: Apr 20, 2023
United Airlines 1 stop
return: May 11, 2023
United Airlines direct

Travel tips for flights London - Ontario

  • Arrival city:
  • Ontario, USA
  • Airport(s):
  • Ontario International Airport (ONT)
  • Local time:
  • Mar 24, 2023 12:19 AM, GMT-7
  • Weather:
  • min. 39ºF, max. 66ºF
  • Departure city:
  • London, United Kingdom
  • Airport(s):
  • London City Airport (LCY)
  • Heathrow International Airport (LHR)
  • Gatwick International Airport (LGW)
  • London Luton Airport (LTN)
  • London Stansted Airport (STN)
  • Southend Airport (SEN)
  • Local time:
  • Mar 24, 2023 7:19 AM, GMT+0
  • Weather:
  • min. 45ºF, max. 56ºF