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

Return flights

25 Sep - 02 Oct	SWISS
24 Sep - 30 Sep	SWISS
11 Sep - 17 Sep	SWISS
23 Sep - 30 Sep	SWISS
09 Sep - 16 Sep	Air India Express
18 Sep - 26 Sep	Lufthansa
17 Sep - 28 Sep	SWISS
28 Sep - 04 Oct	Oman Air
19 Sep - 30 Sep	Lufthansa
20 Sep - 27 Sep	Etihad Airways
15 Sep - 23 Sep	British Airways
15 Sep - 04 Oct	British Airways
16 Sep - 04 Oct	British Airways
18 Sep - 05 Oct	British Airways
20 Sep - 30 Sep	Lufthansa
18 Sep - 03 Oct	KLM
19 Sep - 04 Oct	British Airways
26 Sep - 26 Oct	KLM
03 Sep - 04 Oct	AZAL
16 Sep - 15 Oct	SWISS

Also check the deals for one-way flights from Mumbai to Dublin 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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Cheapest return flights from Mumbai to Dublin in September from $536

Return flights