Cheapest return flights from Montreal to London in October from 518€

AirHint found the following cheapest return flights from Montreal (YUL) to London (LHR) in October 2026 (see full year).

Return flights

14 Oct - 25 Oct Air Canada direct
14 Oct - 19 Oct Air Canada
05 Oct - 19 Oct Air Canada
02 Oct - 09 Oct Air Canada direct
04 Oct - 11 Oct Air Canada direct
06 Oct - 13 Oct Air Canada direct
14 Oct - 21 Oct Air Canada direct
03 Oct - 10 Oct Air Canada direct
07 Oct - 14 Oct Air Canada direct
09 Oct - 16 Oct Air Canada direct
26 Oct - 02 Nov Finnair direct
28 Oct - 04 Nov Finnair direct
27 Oct - 03 Nov Finnair direct
25 Oct - 01 Nov TAP
30 Oct - 06 Nov TAP
25 Oct - 01 Nov Finnair direct
29 Oct - 05 Nov Finnair direct
31 Oct - 07 Nov Air Canada
30 Oct - 06 Nov British Airways direct
31 Oct - 07 Nov British Airways 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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