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

Return flights

01 Sep - 30 Sep	KLM
04 Sep - 24 Sep	KLM
05 Sep - 24 Sep	KLM
11 Sep - 24 Sep	KLM
10 Sep - 30 Sep	KLM
17 Sep - 30 Sep	KLM
23 Sep - 30 Sep	KLM
19 Sep - 30 Sep	KLM
21 Sep - 30 Sep	KLM
04 Sep - 23 Sep	KLM
21 Sep - 05 Oct	KLM
28 Sep - 05 Oct	KLM
20 Sep - 05 Oct	KLM
27 Sep - 05 Oct	KLM
27 Sep - 30 Oct	KLM
24 Sep - 22 Oct	KLM
17 Sep - 22 Oct	KLM
29 Sep - 15 Oct	KLM
15 Sep - 14 Oct	KLM
08 Sep - 07 Oct	KLM

Also check the deals for one-way flights from Dublin to Bangalore 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 Bangalore in September from $562

Return flights