AirHint found the following cheapest return flights from Montreal (YUL) to Johannesburg (JNB) in September 2025 (see full year).

Return flights

10 Sep - 17 Sep	KLM
11 Sep - 18 Sep	KLM
09 Sep - 16 Sep	KLM
15 Sep - 22 Sep	KLM
16 Sep - 23 Sep	KLM
17 Sep - 24 Sep	KLM
08 Sep - 15 Sep	KLM
14 Sep - 21 Sep	KLM
03 Sep - 10 Sep	KLM
30 Sep - 07 Oct	KLM
01 Sep - 08 Sep	KLM
29 Sep - 06 Oct	KLM
28 Sep - 05 Oct	KLM
25 Sep - 02 Oct	KLM
24 Sep - 01 Oct	KLM
27 Sep - 04 Oct	KLM
26 Sep - 03 Oct	Emirates

Also check the deals for one-way flights from Montreal to Johannesburg 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.

Book a cheap hotel in Johannesburg

Cheap car rent in Johannesburg

Cheapest return flights from Montreal to Johannesburg in September from 780€

Return flights