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

Return flights

07 Sep - 14 Sep	Etihad Airways
04 Sep - 24 Sep	Etihad Airways
07 Sep - 22 Sep	Etihad Airways
10 Sep - 18 Sep	Etihad Airways
24 Sep - 02 Oct	Etihad Airways
01 Sep - 31 Oct	Etihad Airways
25 Sep - 07 Oct	Etihad Airways
24 Sep - 07 Oct	Etihad Airways
10 Sep - 21 Sep	Emirates
27 Sep - 11 Oct	Etihad Airways
26 Sep - 11 Oct	Emirates

Also check the deals for one-way flights from Johannesburg to Bangkok 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 Johannesburg to Bangkok in September from 446€

Return flights