Cheapest one-way flights from Montreal to London in September from 209€

AirHint found the following cheapest one-way flights from Montreal (YUL) to London (LGW) in September 2025 (see full year).

One-Way flights

25 Sep Air Canada
30 Sep Air Transat
08 Sep Air Transat direct
02 Sep Porter Airlines (Canada) Ltd direct
26 Sep Air Canada
25 Sep Air Transat direct
28 Sep Air Transat
10 Sep Air Transat direct
09 Sep Air Transat direct
07 Sep Air Transat direct

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

Skyscanner

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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