AirHint found the following cheapest return flights from London (LCY) to Lagos (LOS) in September 2025 (see full year).

Return flights

30 Sep - 23 Oct	Lufthansa
14 Sep - 26 Sep	KLM
30 Sep - 07 Oct	ITA Airways
11 Sep - 25 Sep	KLM
13 Sep - 04 Oct	KLM
15 Sep - 09 Oct	KLM
22 Sep - 13 Oct	KLM
30 Sep - 16 Oct	KLM
20 Sep - 30 Sep	ITA Airways
13 Sep - 11 Oct	KLM
27 Sep - 09 Oct	KLM
14 Sep - 25 Sep	KLM
12 Sep - 21 Sep	KLM
16 Sep - 21 Sep	KLM
20 Sep - 19 Oct	KLM
23 Sep - 14 Oct	KLM
16 Sep - 25 Sep	KLM
22 Sep - 29 Sep	KLM
11 Sep - 24 Sep	KLM
18 Sep - 23 Sep	KLM

Also check the deals for one-way flights from London to Lagos 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 Lagos in September from 584€

Return flights