To save up to 44% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to United Kingdom from $910 1-2 weeks out and tickets from $1,146 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in July. For low rates, October can be a great choice for travel to United Kingdom. Flights to United Kingdom from Ontario in October are about $714 on average during October, but can be found for as low as $445.
The chart below displays the airlines Cheapflights users traveling from Ontario to United Kingdom choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
||$453||$614||No cancel fee||77%|
||$366||$645||No cancel fee||71%|
||$350||$680||No cancel fee||70%|
||$374||$706||No cancel fee||N/A|
||$379||$774||No cancel fee||69%|