Cheapest return flights from Montreal to London in October from 445€

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

Return flights

14 Oct - 19 Oct Air Canada
16 Oct - 23 Oct TAP
19 Oct - 26 Oct Finnair direct
13 Oct - 17 Oct Air Canada direct
24 Oct - 02 Nov Finnair direct
14 Oct - 19 Oct Air Canada direct
09 Oct - 22 Oct Air Canada
09 Oct - 20 Oct Lufthansa
11 Oct - 27 Oct Air Canada
11 Oct - 19 Oct Air Canada direct
08 Oct - 22 Oct Air Canada direct
29 Oct - 05 Nov British Airways direct
31 Oct - 03 Nov Air Canada
28 Oct - 02 Nov Lufthansa direct
27 Oct - 03 Nov Air Canada
28 Oct - 04 Nov Air Canada
25 Oct - 01 Nov Lufthansa direct
27 Oct - 03 Nov Lufthansa direct
28 Oct - 04 Nov Lufthansa direct
30 Oct - 06 Nov Air Canada

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

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.