Flights from London to Ontario

Flight deals from London to Ontario

Looking for cheap tickets from London to Ontario, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Flying from London to Ontario

Arm yourself with these facts on the fly.
Cheapest flight foundج.م.‏ 8,988, Toronto
Cheapest month to flySeptember
Average flight time7 hrs, 59 mins
Cheapest airport to fly fromLondon Stansted
Most popular airlineUnited

Frequently asked questions

We looked at all of the upcoming return flights from London to Ontario we could find over the next 12 months. It looks like ج.م.‏ 18,947 is the best price. This is good, compared to the average Ontario ticket price of ج.م.‏ 33,177.
The cheapest month to fly from London to Sudbury Airport is usually September. The cheapest month to fly from London to Ottawa International Airport is usually October. The cheapest month to fly from London to Sault Ste Marie Airport is usually June. And the cheapest month to fly from London to Toronto Pearson International Airport is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Ontario on Tuesday, 9 September 2025.
London Heathrow Airport offers direct flights to Ontario.
If you're flying from London, the cheapest city in Ontario to fly into is Toronto. The cheapest airport serving Toronto at the moment is Toronto Pearson International.
The average flight time between London and Ontario is 7 hours and 58 minutes.