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

Return flights

08 Oct - 14 Oct	KLM
09 Oct - 17 Oct	KLM
02 Oct - 07 Oct	KLM
09 Oct - 19 Oct	KLM
16 Oct - 21 Oct	EgyptAir
09 Oct - 12 Oct	KLM
01 Oct - 10 Oct	KLM
01 Oct - 07 Oct	KLM
02 Oct - 19 Oct	KLM
02 Oct - 06 Oct	KLM
30 Oct - 07 Nov	KLM
30 Oct - 11 Nov	EgyptAir
30 Oct - 10 Nov	KLM
23 Oct - 06 Nov	Scandinavian Airlines
30 Oct - 09 Nov	KLM
30 Oct - 03 Nov	KLM
01 Oct - 11 Nov	KLM
09 Oct - 05 Nov	KLM
29 Oct - 20 Nov	Turkish Airlines
29 Oct - 08 Nov	RwandAir

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

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 October from 600€

Return flights