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

Return flights

01 Sep - 14 Oct	Etihad Airways
01 Sep - 01 Oct	Etihad Airways
22 Sep - 06 Oct	Etihad Airways
05 Sep - 06 Oct	Etihad Airways
04 Sep - 19 Oct	Etihad Airways
08 Sep - 26 Sep	Etihad Airways
18 Sep - 05 Oct	Etihad Airways
18 Sep - 26 Sep	Etihad Airways
06 Sep - 04 Oct	Pegasus Airlines
01 Sep - 08 Sep	KLM
06 Sep - 13 Sep	KLM
28 Sep - 28 Oct	KLM
27 Sep - 11 Oct	Etihad Airways
18 Sep - 27 Sep	Etihad Airways
05 Sep - 21 Sep	Turkish Airlines
16 Sep - 30 Sep	Etihad Airways
01 Sep - 07 Oct	Etihad Airways
05 Sep - 26 Sep	KLM
03 Sep - 26 Sep	KLM
04 Sep - 08 Sep	KLM

Also check the deals for one-way flights from Dublin to Mumbai 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 Mumbai in September from 387€

Return flights