Cheapest return flights from Montreal to London in October from $544

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

Return flights

06 Oct - 13 Oct Air Canada
03 Oct - 10 Oct Air Canada
05 Oct - 12 Oct Air Canada
01 Oct - 10 Oct Air Canada
10 Oct - 17 Oct Air Canada
04 Oct - 11 Oct Air Canada direct
06 Oct - 13 Oct Lufthansa direct
08 Oct - 15 Oct Air Canada direct
14 Oct - 21 Oct Air Canada direct
16 Oct - 23 Oct Air Canada direct
28 Oct - 04 Nov Lufthansa direct
28 Oct - 04 Nov Air Canada
30 Oct - 06 Nov Air Canada
25 Oct - 01 Nov Lufthansa direct
27 Oct - 03 Nov Lufthansa direct
27 Oct - 03 Nov Air Canada
29 Oct - 05 Nov Air Canada
31 Oct - 07 Nov Air Canada
26 Oct - 02 Nov Lufthansa direct
30 Oct - 06 Nov Lufthansa direct

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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