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

Return flights

26 Sep - 12 Oct	Eurowings
26 Sep - 11 Oct	Eurowings
22 Sep - 30 Sep	Vueling Airlines
26 Sep - 04 Oct	EgyptAir
25 Sep - 16 Oct	EgyptAir
25 Sep - 02 Oct	EgyptAir
24 Sep - 23 Oct	KLM
25 Sep - 13 Oct	KLM
24 Sep - 15 Oct	KLM
25 Sep - 23 Oct	KLM
24 Sep - 07 Oct	KLM
23 Sep - 30 Sep	SWISS
21 Sep - 28 Sep	Ethiopian Airlines
20 Sep - 25 Sep	Eurowings
26 Sep - 29 Sep	Lufthansa
22 Sep - 25 Sep	Ethiopian Airlines
21 Sep - 27 Sep	Air France
21 Sep - 26 Sep	KLM
25 Sep - 30 Sep	Turkish Airlines
21 Sep - 30 Sep	Turkish 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.

Book a cheap hotel in Zanzibar

Cheap car rent in Zanzibar

Cheapest return flights from London to Zanzibar in September from $769

Return flights