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

Return flights

30 Aug - 19 Sep	AJet
30 Aug - 04 Sep	AJet
25 Aug - 25 Sep	Ryanair
30 Aug - 08 Sep	Ryanair
27 Aug - 03 Sep	Ryanair
29 Aug - 12 Sep	Royal Jordanian
30 Aug - 07 Sep	Ryanair
31 Aug - 06 Sep	Ryanair
26 Aug - 04 Sep	Ryanair
31 Aug - 07 Sep	Ryanair
25 Aug - 31 Aug	Ryanair
24 Aug - 31 Aug	Pegasus Airlines
21 Aug - 31 Aug	Jet2
30 Aug - 31 Aug	AJet
22 Aug - 31 Aug	AJet
27 Aug - 30 Aug	Pegasus Airlines
21 Aug - 30 Aug	Jet2
22 Aug - 29 Aug	AJet
21 Aug - 26 Aug	Jet2
21 Aug - 29 Aug	AJet

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

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 August from $807

Return flights