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

Return flights

28 Sep - 09 Oct	Air India
29 Sep - 06 Oct	Air India
30 Sep - 07 Oct	Air India
28 Sep - 09 Oct	American Airlines	direct
28 Sep - 02 Oct	American Airlines	direct
30 Sep - 18 Oct	Air India
30 Sep - 10 Oct	Air India
30 Sep - 02 Oct	Air India
28 Sep - 23 Oct	Air India
29 Sep - 24 Oct	Air India
27 Sep - 30 Sep	IndiGo
27 Sep - 30 Sep	American Airlines	direct

Also check the deals for one-way flights from New York to Delhi 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 Delhi in September from $584

Return flights