AirHint found the following cheapest return flights from London (LCY) to Zanzibar (ZNZ) in August 2025 (see full year).

Return flights

11 Aug - 26 Sep	British Airways
25 Aug - 16 Sep	Kenya Airways
26 Aug - 09 Sep	Kenya Airways
25 Aug - 07 Sep	Kenya Airways
13 Aug - 06 Sep	Kenya Airways
29 Aug - 08 Sep	British Airways
28 Aug - 07 Sep	KLM
31 Aug - 08 Sep	British Airways
27 Aug - 06 Sep	British Airways
13 Aug - 11 Sep	Kenya Airways
03 Aug - 09 Aug	KLM
10 Aug - 24 Aug	KLM
19 Aug - 29 Aug	British Airways
27 Aug - 31 Aug	KLM
21 Aug - 29 Aug	British Airways
05 Aug - 12 Aug	British Airways
18 Aug - 27 Aug	British Airways
25 Aug - 31 Aug	KLM
21 Aug - 31 Aug	British Airways
22 Aug - 31 Aug	British Airways

Also check the deals for one-way flights from London to Zanzibar in August.

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 August from $988

Return flights