London to Montreal and back is the whole of this page. We watch the route continuously and show the cheapest return fare we have actually seen on it, along with the exact outbound and return dates that price applied to.
Every fare here is re-confirmed against Skyscanner automatically, and each one is stamped with the moment it was last checked, so you can see how fresh it is instead of taking it on trust. Not flying from London? We track 30 other departure cities for Montreal, listed at the foot of this page.
London → Montreal
for 9 Sep – 24 Sep 2026
✓ live-checked 22 hours ago
Check live price on Skyscanner →Price history 21 checks recorded for this route
lowest seen £357 · typical £377 · highest £862 · now £357
The cheapest London to Montreal return flight on the radar right now is £357, flying with Lufthansa via one or more connections. It covers departures in September 2026, and every dated link below opens that exact LHR–YUL search on Skyscanner. The price we usually record on this route is £377. Across 21 recorded checks it has ranged between £357 and £862. Our sampling points to September 2026 as the cheapest month to fly London to Montreal.
London to Montreal flights: common questions
How much is a flight from London to Montreal?
The lowest return fare we currently track from London (LHR) to Montreal (YUL) is £357. The typical price on this route is £377, so anything near £357 is worth booking quickly. Over 21 recorded checks we have seen it as low as £357 and as high as £862.
Which airline flies from London to Montreal at this price?
This £357 fare is with Lufthansa, 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 Montreal?
This £357 fare includes at least one connection. If you need a non-stop London to Montreal flight, open the live search and apply the direct filter there.
When is the cheapest time to fly from London to Montreal?
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 £357 London to Montreal fare still available?
We last confirmed this £357 fare against live Skyscanner availability 22 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 Montreal deal?
Pick a date pair above or press Check live price. That opens the exact LHR–YUL 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 Montreal 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.
Fares move quickly. If this London to Montreal price has gone by the time you search, shift the dates a day or two either side, because the same route is often still cheap just next door.