Cheapest return flights from Montreal to London in September from 411€
AirHint found the following cheapest return flights from Montreal (YUL) to London (LGW)
in September 2025 (see full year ).
Return flights
08 Sep
- 22 Oct
Air Transat
411 €
18 Sep
- 26 Sep
Air Transat
423 €
direct
03 Sep
- 10 Sep
Air Transat
424 €
04 Sep
- 08 Sep
Air Transat
429 €
18 Sep
- 28 Sep
Air Transat
429 €
11 Sep
- 15 Sep
Air Transat
429 €
18 Sep
- 11 Oct
Air Transat
429 €
04 Sep
- 11 Sep
Air Transat
430 €
26 Sep
- 09 Oct
Air Transat
430 €
26 Sep
- 10 Oct
Air Transat
430 €
21 Sep
- 27 Sep
Air Transat
432 €
05 Sep
- 14 Sep
Air Transat
435 €
26 Sep
- 06 Oct
Air Transat
435 €
10 Sep
- 19 Sep
Air Transat
436 €
direct
01 Sep
- 07 Sep
Air Transat
441 €
24 Sep
- 09 Oct
Air Transat
450 €
direct
19 Sep
- 10 Oct
Air Transat
450 €
direct
24 Sep
- 05 Oct
Air Transat
450 €
direct
18 Sep
- 10 Oct
Air Transat
450 €
direct
27 Sep
- 10 Oct
Air Transat
450 €
direct
Also check the deals for one-way flights from Montreal to London in September .
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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