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

Return flights

01 Dec - 09 Dec	SWISS
01 Dec - 16 Dec	SWISS
05 Dec - 13 Dec	SWISS
06 Dec - 13 Dec	SWISS
08 Dec - 24 Dec	Air France
02 Dec - 07 Dec	Kenya Airways
31 Dec - 16 Jan	Kenya Airways
08 Dec - 15 Dec	Air France
08 Dec - 17 Dec	Turkish Airlines
01 Dec - 15 Dec	Kenya Airways
04 Dec - 10 Dec	Kenya Airways
31 Dec - 12 Jan	Kenya Airways
30 Dec - 24 Jan	Kenya Airways
04 Dec - 11 Jan	Kenya Airways
29 Dec - 15 Jan	Kenya Airways
24 Dec - 07 Jan	Turkish Airlines
27 Dec - 17 Jan	Kenya Airways
30 Dec - 09 Jan	Kenya Airways
27 Dec - 10 Jan	Kenya Airways
25 Dec - 18 Jan	Kenya Airways

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

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 December from $723

Return flights