AirHint found the following cheapest return flights from London (LHR) to Zanzibar (ZNZ) in September 2026 (see full year).

Return flights

12 Sep - 25 Sep	RwandAir
13 Sep - 25 Sep	RwandAir
20 Sep - 04 Oct	RwandAir
22 Sep - 04 Oct	RwandAir
08 Sep - 25 Sep	RwandAir
15 Sep - 25 Sep	RwandAir
13 Sep - 28 Sep	RwandAir
27 Sep - 12 Oct	RwandAir
08 Sep - 18 Sep	RwandAir
24 Sep - 28 Sep	RwandAir
17 Sep - 04 Oct	RwandAir
13 Sep - 21 Sep	Ethiopian Airlines
06 Sep - 14 Sep	Ethiopian Airlines
14 Sep - 21 Sep	Ethiopian Airlines
21 Sep - 01 Oct	Ethiopian Airlines
23 Sep - 04 Oct	Ethiopian Airlines
21 Sep - 03 Oct	Ethiopian Airlines
24 Sep - 06 Oct	Ethiopian Airlines
30 Sep - 10 Oct	Ethiopian Airlines

Also check the deals for one-way flights from London 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 London to Zanzibar in September from 675€

Return flights