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

Return flights

07 Sep - 21 Sep	Singapore Airlines
05 Sep - 12 Sep	Singapore Airlines
10 Sep - 22 Sep	Singapore Airlines
09 Sep - 08 Oct	Kenya Airways
09 Sep - 09 Oct	Kenya Airways
10 Sep - 17 Sep	Qatar Airways
24 Sep - 10 Oct	Qatar Airways
21 Sep - 27 Sep	Emirates
06 Sep - 27 Sep	Emirates

Also check the deals for one-way flights from Cape Town 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 Cape Town to Bangkok in September from $736

Return flights