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

Return flights

16 Sep - 22 Sep	Kenya Airways
13 Sep - 23 Sep	Kenya Airways
13 Sep - 19 Sep	Kenya Airways
02 Sep - 16 Sep	Kenya Airways
19 Sep - 26 Sep	Kenya Airways
23 Sep - 30 Sep	Kenya Airways
08 Sep - 20 Sep	Kenya Airways
12 Sep - 19 Sep	Kenya Airways
08 Sep - 19 Sep	Kenya Airways
26 Sep - 23 Oct	Kenya Airways
15 Sep - 25 Sep	Kenya Airways
22 Sep - 01 Oct	Turkish Airlines

Also check the deals for one-way flights from Dublin 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 Dublin to Zanzibar in September from 551€

Return flights