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

Return flights

09 Sep - 18 Sep	Saudia
03 Sep - 27 Sep	IndiGo
02 Sep - 12 Sep	Air India
18 Sep - 01 Oct	KLM
16 Sep - 24 Sep	Air France
18 Sep - 03 Oct	KLM
17 Sep - 24 Sep	Air France
16 Sep - 25 Sep	Air France
15 Sep - 23 Sep	Air France
13 Sep - 24 Sep	Royal Jordanian
11 Sep - 24 Sep	KLM
12 Sep - 16 Sep	KLM
30 Sep - 05 Oct	KLM
30 Sep - 04 Oct	KLM
23 Sep - 08 Oct	KLM
15 Sep - 08 Oct	Air France
29 Sep - 15 Oct	Turkish Airlines
03 Sep - 10 Oct	Turkish Airlines
27 Sep - 16 Oct	IndiGo
26 Sep - 16 Oct	KLM

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.

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Cheapest return flights from Mumbai to Dublin in September from 382€

Return flights