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

Return flights

29 Sep - 06 Oct	Qatar Airways
10 Sep - 30 Sep	Qatar Airways
10 Sep - 14 Sep	Qatar Airways
01 Sep - 11 Sep	Ethiopian Airlines
29 Sep - 06 Oct	Turkish Airlines	direct
02 Sep - 13 Sep	Emirates
01 Sep - 05 Sep	Ethiopian Airlines
10 Sep - 14 Sep	Turkish Airlines	direct
10 Sep - 30 Sep	Turkish Airlines	direct
01 Sep - 11 Sep	Turkish Airlines	direct

Also check the deals for one-way flights from Lagos to Istanbul 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 Lagos to Istanbul in September from 665€

Return flights