AirHint found the following cheapest one-way flights from Montreal (YUL) to London (LGW) in September 2026 (see full year).
One-Way flights
| 08 Sep | WestJet | ||
| 06 Sep | WestJet | ||
| 04 Sep | WestJet | ||
| 01 Sep | WestJet | ||
| 05 Sep | WestJet | ||
| 05 Sep | Air Transat | direct | |
| 06 Sep | Air Transat | direct | |
| 08 Sep | Air Transat | direct | |
| 04 Sep | Air Transat | direct |
Also check the deals for return flights from Montreal to London in September.
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