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

Return flights

27 Sep - 05 Oct	Ethiopian Airlines
23 Sep - 14 Oct	Ryanair
24 Sep - 28 Sep	Vueling Airlines
11 Sep - 16 Sep	KLM
09 Sep - 16 Sep	Air France
20 Sep - 24 Sep	Air France
22 Sep - 13 Oct	Air France
22 Sep - 12 Oct	Air France
10 Sep - 17 Sep	KLM
27 Sep - 19 Oct	KLM
09 Sep - 29 Sep	Turkish Airlines
20 Sep - 27 Sep	KLM
07 Sep - 08 Sep	Ryanair

Also check the deals for one-way flights from Lisbon 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 Lisbon to Lagos in September from 626€

Return flights