Take off on cheap flights from London to Ontario, your adventure starts now!

Find cheap airline tickets from London to Ontario by date

  • any
  • July 2018
  • August 2018
  • September 2018
  • October 2018
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  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • any
  • July 2018
  • August 2018
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  • price
  • month of departure
  • month of return
$921
outward: Jun 10, 2019
8:55a LCY » 1:25a LAX
Swiss 1 stop (16h30m)
inbound: Jun 24, 2019
4:20a LAX » 5:40p LCY
Swiss 1 stop (13h20m)
Return
Departure
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: Las Vegas - Ontario New York - Ontario San Francisco - Ontario See more routes

Airlines operating flights from London to Ontario

  • any
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • all
  • Air France
  • Icelandair
  • KLM
  • Lufthansa
  • Swiss
KLM
outbound: Jun 5, 2019
KLM 1 stop
return: Jun 19, 2019
KLM 1 stop
Air France
outbound: Jun 5, 2019
Air France 1 stop
return: Jun 19, 2019
KLM 1 stop
Swiss
outbound: Jun 10, 2019
Swiss 1 stop
return: Jun 24, 2019
Swiss 1 stop
Lufthansa
outbound: Jun 10, 2019
Lufthansa 1 stop
return: Jun 24, 2019
Swiss 1 stop
Icelandair
outbound: Apr 30, 2019
Icelandair 2 stops
return: May 21, 2019
Alaska Airlines 2 stops

Travel tips for flights London - Ontario

Average flight duration: 14h55m (flight with stopovers)

  • Arrival city:
  • Ontario, USA
  • Airport(s):
  • Ontario International Airport (ONT)
  • Local time:
  • Jul 21, 2018 8:17 PM, GMT-7
  • Weather:
  • min. 74ºF, max. 94ºF
  • Departure 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:
  • Jul 22, 2018 4:17 AM, GMT+1
  • Weather:
  • min. 70ºF, max. 82ºF