Cheapest one-way flights from Montreal to London in September from $362

AirHint found the following cheapest one-way flights from Montreal (YUL) to London (LGW) in September 2026 (see full year).

One-Way flights

18 Sep TAP
09 Sep TAP
26 Sep Air Transat direct
01 Sep Air Transat direct
12 Sep Air Transat direct
09 Sep Air Transat direct
16 Sep SWISS

Also check the deals for return flights from Montreal to London in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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