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Find cheap airline tickets from Ontario to London by date

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

Airlines operating flights from Ontario to London

  • any
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • all
  • British Airways
  • United Airlines
United Airlines
outbound: Jul 1, 2019
United Airlines 1 stop
return: Jul 9, 2019
Air Canada 1 stop
British Airways
outbound: Jul 1, 2019
British Airways 1 stop
return: Jul 9, 2019
British Airways 1 stop

Travel tips for flights Ontario - London

  • Arrival city:
  • London, United Kingdom
  • Airport(s):
  • London City Airport (LCY)
  • Heathrow Airport (LHR)
  • Gatwick Airport (LGW)
  • Luton Airport (LTN)
  • Stansted Airport (STN)
  • Southend Airport (SEN)
  • Local time:
  • Jun 17, 2019 10:38 AM, GMT+1
  • Weather:
  • min. 56ºF, max. 69ºF
  • Departure city:
  • Ontario, USA
  • Airport(s):
  • Ontario International Airport (ONT)
  • Local time:
  • Jun 17, 2019 2:38 AM, GMT-7
  • Weather:
  • min. 62ºF, max. 81ºF