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

Return flights

19 Sep - 24 Sep	Kenya Airways
24 Sep - 05 Oct	Kenya Airways
24 Sep - 01 Oct	Kenya Airways
15 Sep - 22 Sep	Kenya Airways
07 Sep - 13 Sep	Kenya Airways
27 Sep - 04 Oct	Kenya Airways
26 Sep - 04 Oct	Kenya Airways

Also check the deals for one-way flights from Cape Town to Zanzibar 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 Zanzibar in September from $464

Return flights