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

Return flights

29 Sep - 08 Oct	Kenya Airways
18 Sep - 26 Sep	Kenya Airways
15 Sep - 21 Sep	Kenya Airways
15 Sep - 28 Sep	Kenya Airways
22 Sep - 26 Sep	Kenya Airways
29 Sep - 13 Oct	Kenya Airways
29 Sep - 20 Oct	Kenya Airways
22 Sep - 06 Oct	Kenya Airways
15 Sep - 24 Sep	Kenya Airways
29 Sep - 07 Oct	Kenya Airways
29 Sep - 06 Oct	Kenya Airways
29 Sep - 02 Oct	Kenya Airways
22 Sep - 28 Sep	Kenya Airways
15 Sep - 26 Sep	AJet
30 Sep - 07 Oct	Ethiopian Airlines
16 Sep - 03 Oct	Pegasus Airlines
22 Sep - 29 Sep	Ryanair
08 Sep - 17 Sep	Pegasus Airlines
24 Sep - 01 Oct	Kenya Airways
15 Sep - 23 Sep	Kenya Airways

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 530€

Return flights