One route, followed properly: London (LHR) to Toronto (YYZ), return. What follows is the lowest fare our radar has picked up on it and the precise dates behind that number, rather than a headline price with the conditions left out.
We do not post a price and leave it to age. Each fare is re-checked against Skyscanner on a schedule and carries the time it was last confirmed. Not flying from London? We track 52 other departure cities for Toronto, listed at the foot of this page.
London → Toronto
for 11 Sep – 24 Sep 2026
✓ live-checked 23 hours ago
Check live price on Skyscanner →Price history 34 checks recorded for this route
lowest seen £344 · typical £400 · highest £417 · now £373
The cheapest London to Toronto return flight on the radar right now is £373, flying with Aer Lingus via one or more connections. It covers departures in September 2026, and every dated link below opens that exact LHR–YYZ search on Skyscanner. The price we usually record on this route is £400. Across 34 recorded checks it has ranged between £344 and £417. Our sampling points to September 2026 as the cheapest month to fly London to Toronto.
London to Toronto flights: common questions
How much is a flight from London to Toronto?
The lowest return fare we currently track from London (LHR) to Toronto (YYZ) is £373. The typical price on this route is £400, so anything near £373 is worth booking quickly. Over 34 recorded checks we have seen it as low as £344 and as high as £417.
Which airline flies from London to Toronto at this price?
This £373 fare is with Aer Lingus, with at least one connection. The live search lists every carrier serving the route, so you can compare schedules before booking.
Is there a direct flight from London to Toronto?
This £373 fare includes at least one connection. If you need a non-stop London to Toronto flight, open the live search and apply the direct filter there.
When is the cheapest time to fly from London to Toronto?
Our price sampling points to September 2026 as the cheapest departure month on this route. The dated links on this page cover September 2026.
Is the £373 London to Toronto fare still available?
We last confirmed this £373 fare against live Skyscanner availability 23 hours ago. Deal fares move within days, so the Check live price button re-runs the exact search and shows today's number rather than a cached one.
How do I book this London to Toronto deal?
Pick a date pair above or press Check live price. That opens the exact LHR–YYZ search on Skyscanner, where you book directly with the airline or agent. TravelFree does not sell tickets, adds no booking fee and does not mark the price up.
Every London to Toronto price on this page comes from a real bookable quote and is re-checked automatically. TravelFree takes no commission from you and never marks a fare up.
Cheap fares do not hang around. If this one has already gone, nudge the dates either way by a day or two; London to Toronto is usually still decent value around the same window.