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

Return flights

16 Sep - 22 Sep	Ryanair
18 Sep - 30 Sep	Ryanair
07 Sep - 14 Sep	Ryanair
05 Sep - 15 Sep	Ryanair
25 Sep - 09 Oct	AJet
22 Sep - 28 Sep	Ryanair
10 Sep - 21 Sep	Ryanair
15 Sep - 21 Sep	Ryanair
04 Sep - 10 Sep	Ryanair
01 Sep - 09 Sep	Ryanair
01 Sep - 10 Sep	Ryanair
21 Sep - 07 Oct	Ryanair
27 Sep - 06 Oct	Ryanair
22 Sep - 03 Oct	Ryanair
30 Sep - 08 Oct	Ryanair
22 Sep - 02 Oct	Ryanair
26 Sep - 09 Oct	Ryanair
24 Sep - 04 Oct	Ryanair
27 Sep - 12 Oct	Ryanair
20 Sep - 05 Oct	Royal Jordanian

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.

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Cheapest return flights from London to Zanzibar in September from 660€

Return flights