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

Return flights

10 Sep - 07 Oct	Etihad Airways
24 Sep - 30 Sep	Etihad Airways
22 Sep - 04 Oct	Etihad Airways
12 Sep - 18 Sep	Turkish Airlines
02 Sep - 09 Sep	KLM
25 Sep - 07 Oct	Etihad Airways
09 Sep - 16 Sep	KLM
16 Sep - 26 Sep	KLM
16 Sep - 27 Sep	KLM
09 Sep - 23 Sep	KLM
03 Sep - 12 Sep	KLM
10 Sep - 26 Sep	KLM
09 Sep - 28 Sep	KLM
16 Sep - 01 Oct	KLM
16 Sep - 07 Oct	KLM
16 Sep - 21 Oct	KLM
22 Sep - 07 Oct	Air France
22 Sep - 08 Oct	Air France
03 Sep - 09 Oct	KLM
19 Sep - 05 Oct	Air France

Also check the deals for one-way flights from Dublin 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 Dublin to Delhi in September from 423€

Return flights