Cheapest return flights from Montreal to London in October from $591

AirHint found the following cheapest return flights from Montreal (YUL) to London (LGW) in October 2025 (see full year).

Return flights

23 Oct - 15 Nov Air Transat
25 Oct - 05 Nov Air Transat
27 Oct - 22 Nov Air Transat
24 Oct - 15 Nov TAP
28 Oct - 22 Nov Porter Airlines (Canada) Ltd
25 Oct - 15 Nov Air Transat
29 Oct - 22 Nov Air Canada
24 Oct - 31 Oct Air Transat
27 Oct - 03 Nov Air Canada
26 Oct - 15 Nov Lufthansa
30 Oct - 22 Nov Air Transat
23 Oct - 27 Oct Air Transat
23 Oct - 25 Oct Air Transat
24 Oct - 28 Oct Air Transat
27 Oct - 31 Oct TAP
25 Oct - 28 Oct TAP
24 Oct - 25 Oct TAP

Also check the deals for one-way flights from Montreal to London in October.

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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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