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

Return flights

01 Dec - 10 Dec	Air France
04 Dec - 07 Dec	RwandAir
08 Dec - 16 Dec	Aegean Airlines
04 Dec - 11 Dec	KLM
04 Dec - 15 Dec	RwandAir
02 Dec - 08 Dec	RwandAir
04 Dec - 14 Dec	RwandAir
06 Dec - 20 Dec	SWISS
02 Dec - 23 Dec	SWISS
09 Dec - 20 Dec	SWISS
01 Dec - 19 Jan	Air France
08 Dec - 19 Jan	British Airways
31 Dec - 15 Jan	Ethiopian Airlines
30 Dec - 14 Jan	Qatar Airways
11 Dec - 08 Jan	KLM
29 Dec - 05 Jan	Ethiopian Airlines
01 Dec - 15 Jan	Kenya Airways
30 Dec - 23 Jan	RwandAir
28 Dec - 19 Jan	KLM
31 Dec - 23 Jan	Iberia

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 653€

Return flights