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

Return flights

26 Sep - 08 Oct	Aer Lingus
01 Sep - 01 Oct	Etihad Airways
17 Sep - 29 Sep	Etihad Airways
30 Sep - 15 Oct	Etihad Airways
23 Sep - 06 Oct	Etihad Airways
29 Sep - 06 Oct	Ryanair
05 Sep - 16 Sep	Pegasus Airlines
01 Sep - 20 Sep	Pegasus Airlines
01 Sep - 28 Sep	Pegasus Airlines
19 Sep - 22 Sep	Air France
20 Sep - 22 Sep	Air France
19 Sep - 04 Oct	Air France
02 Sep - 19 Sep	Pegasus Airlines
12 Sep - 21 Sep	Pegasus Airlines
17 Sep - 24 Sep	KLM
12 Sep - 22 Sep	KLM
03 Sep - 08 Oct	KLM
04 Sep - 15 Oct	KLM
04 Sep - 10 Oct	KLM
04 Sep - 08 Oct	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 356€

Return flights