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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
  • February 2024
  • March 2024
  • April 2024
  • May 2024
  • June 2024
  • July 2024
  • August 2024
  • September 2024
  • October 2024
  • November 2024
  • December 2024
  • January 2025
  • all
  • Aer Lingus
  • Air Canada
  • Air France
  • Finnair
  • KLM
KLM
outbound: Apr 18, 2024
KLM 1 stop
return: Apr 30, 2024
Delta Air Lines direct
Air France
outbound: Apr 18, 2024
Air France 1 stop
return: Apr 30, 2024
Delta Air Lines direct
Finnair
outbound: Apr 18, 2024
Finnair direct
return: Apr 30, 2024
Finnair direct
Air Canada
outbound: Apr 26, 2024
Air Canada 1 stop
return: May 2, 2024
Air Canada 1 stop
Aer Lingus
outbound: Apr 7, 2024
Aer Lingus 1 stop
return: Apr 11, 2024
Aer Lingus 1 stop

Travel tips for flights London - Ontario

  • Arrival city:
  • Ontario, USA
  • Airport(s):
  • Ontario International Airport (ONT)
  • Local time:
  • Feb 29, 2024 8:41 AM, GMT-8
  • Weather:
  • min. 50ºF, max. 62ºF
  • 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:
  • Feb 29, 2024 4:41 PM, GMT+0
  • Weather:
  • min. 38ºF, max. 49ºF