Cheapest return flights from Montreal to London in September from 561€

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

Return flights

11 Sep - 20 Sep Air Canada direct
16 Sep - 23 Sep Air Canada direct
20 Sep - 27 Sep Air Canada direct
11 Sep - 18 Sep Air Canada direct
12 Sep - 19 Sep Air Canada direct
13 Sep - 20 Sep Air Canada direct
15 Sep - 22 Sep Air Canada direct
18 Sep - 25 Sep Air Canada direct
19 Sep - 26 Sep Air Canada direct
22 Sep - 29 Sep Air Canada direct
25 Sep - 02 Oct Air Canada direct
26 Sep - 03 Oct Air Canada direct
27 Sep - 04 Oct Air Canada direct
29 Sep - 06 Oct Air Canada direct
30 Sep - 07 Oct Air Canada direct
24 Sep - 01 Oct TAP
28 Sep - 05 Oct TAP
28 Sep - 05 Oct Air Canada direct
24 Sep - 01 Oct British Airways direct

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

Powered by

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.