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

Return flights

10 Sep - 24 Sep	Frontier Airlines
26 Sep - 05 Oct	Ethiopian Airlines
18 Sep - 25 Sep	Frontier Airlines
29 Sep - 04 Oct	Turkish Airlines
25 Sep - 11 Oct	Frontier Airlines
05 Sep - 20 Sep	Frontier Airlines
16 Sep - 30 Sep	Turkish Airlines
25 Sep - 11 Oct	Delta	direct
29 Sep - 08 Oct	Delta	direct
25 Sep - 05 Oct	Delta	direct
26 Sep - 05 Oct	Delta	direct

Also check the deals for one-way flights from Atlanta 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 Atlanta to Lagos in September from 973€

Return flights