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

Return flights

03 Sep - 24 Sep	Air India
03 Sep - 19 Sep	Air India
05 Sep - 19 Sep	Air India
03 Sep - 25 Sep	Air India
05 Sep - 25 Sep	Air India
05 Sep - 23 Sep	Air India
03 Sep - 23 Sep	Air India
05 Sep - 18 Sep	Air India
02 Sep - 30 Sep	Air India
01 Sep - 16 Sep	Air India
02 Sep - 02 Oct	Air India
30 Sep - 07 Oct	Air India
01 Sep - 01 Oct	Air India
17 Sep - 07 Oct	Air India
02 Sep - 02 Oct	Air India	direct
01 Sep - 08 Oct	Air India
09 Sep - 08 Oct	Air India
09 Sep - 10 Oct	Air India
04 Sep - 08 Oct	Air India
30 Sep - 07 Oct	Air India	direct

Also check the deals for one-way flights from Newark 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 Newark to Delhi in September from $530

Return flights