AirHint found the following cheapest return flights from New York (NYC) to Colombo (CMB) in September 2025 (see full year).

Return flights

17 Sep - 29 Sep	Etihad Airways
16 Sep - 29 Sep	Etihad Airways
10 Sep - 04 Oct	Cathay Pacific
16 Sep - 28 Sep	Cathay Pacific
05 Sep - 06 Oct	Cathay Pacific
19 Sep - 13 Oct	Turkish Airlines
18 Sep - 06 Oct	Emirates

Also check the deals for one-way flights from New York to Colombo 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 Colombo in September from 718€

Return flights