AirHint found the following cheapest return flights from New York (LGA) to Nairobi (NBO) in September 2025 (see full year).

Return flights

29 Sep - 13 Oct	Delta
28 Sep - 13 Oct	Delta
21 Sep - 28 Sep	Delta
07 Sep - 14 Sep	Delta
14 Sep - 21 Sep	KLM
28 Sep - 12 Oct	Delta
11 Sep - 18 Sep	Frontier Airlines
29 Sep - 14 Oct	Spirit Airlines
10 Sep - 17 Sep	Delta
10 Sep - 21 Sep	Delta
15 Sep - 26 Sep	Delta

Also check the deals for one-way flights from New York to Nairobi 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 New York to Nairobi in September from 794€

Return flights