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

Return flights

18 Sep - 10 Oct	Kenya Airways
04 Sep - 11 Sep	Kenya Airways
03 Sep - 10 Sep	Kenya Airways
23 Sep - 30 Sep	Kenya Airways
26 Sep - 05 Oct	Kenya Airways
05 Sep - 13 Sep	Kenya Airways
03 Sep - 11 Sep	Kenya Airways
18 Sep - 22 Sep	Kenya Airways
06 Sep - 15 Sep	Kenya Airways
27 Sep - 01 Oct	Kenya Airways
08 Sep - 16 Sep	Ryanair
18 Sep - 11 Oct	Aer Lingus
08 Sep - 06 Oct	Aer Lingus
19 Sep - 26 Sep	Aer Lingus
01 Sep - 10 Sep	Ryanair
30 Sep - 11 Oct	Kenya Airways
24 Sep - 08 Oct	Emirates
28 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 558€

Return flights