AirHint found the following cheapest return flights from Kolkata (CCU) to New York (JFK) in September 2025 (see full year).

Return flights

17 Sep - 30 Sep	Air India
17 Sep - 23 Sep	Air India
20 Sep - 07 Oct	Air India
21 Sep - 03 Oct	Etihad Airways
07 Sep - 20 Sep	Etihad Airways
25 Sep - 03 Oct	Etihad Airways
24 Sep - 30 Sep	Etihad Airways
10 Sep - 17 Sep	Etihad Airways
19 Sep - 03 Oct	Etihad Airways
17 Sep - 03 Oct	Etihad Airways
28 Sep - 06 Oct	Air India
28 Sep - 04 Oct	Etihad Airways
24 Sep - 04 Oct	Etihad Airways
20 Sep - 03 Oct	Etihad Airways
24 Sep - 01 Oct	Air India

Also check the deals for one-way flights from Kolkata to New York 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 Kolkata to New York in September from $730

Return flights