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

Return flights

31 Aug - 07 Sep	KLM
12 Aug - 06 Sep	Delta
27 Aug - 03 Sep	KLM
26 Aug - 02 Sep	KLM
30 Aug - 06 Sep	KLM
28 Aug - 04 Sep	KLM
25 Aug - 01 Sep	KLM
29 Aug - 05 Sep	KLM
23 Aug - 30 Aug	KLM
18 Aug - 25 Aug	United
21 Aug - 28 Aug	KLM
17 Aug - 24 Aug	KLM
19 Aug - 26 Aug	KLM
11 Aug - 18 Aug	KLM
04 Aug - 11 Aug	KLM
05 Aug - 12 Aug	KLM
03 Aug - 10 Aug	KLM
06 Aug - 13 Aug	KLM

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

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 Johannesburg in August from 1044€

Return flights