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

Return flights

18 Sep - 12 Oct	Air India	direct
09 Sep - 30 Sep	Air India	direct
02 Sep - 18 Sep	Air India	direct
08 Sep - 15 Sep	Air India	direct
09 Sep - 19 Oct	Air India	direct
04 Sep - 03 Oct	Air India	direct
02 Sep - 06 Oct	Air India	direct
11 Sep - 21 Sep	Air India	direct
18 Sep - 02 Oct	Air India	direct
18 Sep - 06 Oct	Air India
18 Sep - 27 Sep	Air India
04 Sep - 14 Sep	Air India	direct
03 Sep - 22 Sep	Air India	direct
15 Sep - 22 Sep	Delta
05 Sep - 20 Sep	Delta
16 Sep - 26 Sep	Air France
20 Sep - 05 Oct	KLM
19 Sep - 04 Oct	Delta
20 Sep - 04 Oct	KLM
10 Sep - 02 Oct	Air France

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 493€

Return flights