Cheapest return flights from Montreal to London in October from $562

Best time to book flights for Montreal (YUL) to London (LHR) flights at AirHint

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

Return flights

15 Oct - 22 Oct British Airways direct
06 Oct - 13 Oct British Airways direct
07 Oct - 14 Oct British Airways direct
14 Oct - 28 Oct British Airways direct
20 Oct - 27 Oct British Airways direct
13 Oct - 28 Oct British Airways direct
21 Oct - 28 Oct British Airways direct
28 Oct - 18 Nov British Airways direct
29 Oct - 12 Nov British Airways direct
27 Oct - 03 Nov British Airways direct
29 Oct - 05 Nov British Airways direct
27 Oct - 05 Nov British Airways direct
14 Oct - 21 Oct British Airways direct
28 Oct - 04 Nov British Airways direct
13 Oct - 20 Oct British Airways direct
28 Oct - 14 Nov British Airways direct
28 Oct - 17 Nov British Airways direct
29 Oct - 14 Nov British Airways direct
22 Oct - 29 Oct British Airways direct
28 Oct - 30 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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