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

Return flights

28 Sep - 08 Oct	Jambojet	direct
17 Sep - 20 Sep	Jambojet	direct
17 Sep - 22 Sep	Jambojet	direct
05 Sep - 12 Sep	Jambojet	direct
24 Sep - 01 Oct	Jambojet	direct
17 Sep - 19 Sep	Jambojet	direct
10 Sep - 17 Sep	Jambojet	direct
08 Sep - 12 Sep	Jambojet	direct
08 Sep - 18 Sep	Jambojet	direct
20 Sep - 27 Sep	Skyward Express
12 Sep - 15 Sep	Jambojet
12 Sep - 16 Sep	Jambojet

Also check the deals for one-way flights from Mombasa 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 Mombasa to Zanzibar in September from $238

Return flights