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

Return flights

11 Sep - 18 Sep	Royal Air Maroc
18 Sep - 25 Sep	Royal Air Maroc
25 Sep - 02 Oct	Royal Air Maroc
15 Sep - 22 Sep	Lufthansa
21 Sep - 28 Sep	Lufthansa
14 Sep - 21 Sep	Lufthansa
22 Sep - 29 Sep	Lufthansa
29 Sep - 06 Oct	Lufthansa
28 Sep - 05 Oct	Lufthansa
09 Sep - 16 Sep	Air Canada
16 Sep - 23 Sep	Air Canada
23 Sep - 30 Sep	Air Canada
30 Sep - 07 Oct	Lufthansa
08 Sep - 15 Sep	Lufthansa
27 Sep - 04 Oct	Air Canada
24 Sep - 01 Oct	Emirates
05 Sep - 08 Oct	Lufthansa
26 Sep - 03 Oct	Lufthansa

Also check the deals for one-way flights from Montreal to Beirut 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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Cheapest return flights from Montreal to Beirut in September from 820€

Return flights