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

Return flights

21 Sep - 28 Sep	IndiGo
14 Sep - 30 Sep	Air France
28 Sep - 10 Oct	KLM
14 Sep - 27 Sep	Air France
14 Sep - 21 Sep	Air France
24 Sep - 06 Oct	KLM
15 Sep - 21 Sep	Air France
30 Sep - 20 Oct	Air France
13 Sep - 19 Sep	Air France
23 Sep - 27 Sep	Air France
19 Sep - 03 Oct	Lufthansa
18 Sep - 03 Oct	Lufthansa
04 Sep - 25 Sep	IndiGo
19 Sep - 04 Oct	Lufthansa
27 Sep - 26 Oct	Lufthansa
27 Sep - 11 Oct	KLM
11 Sep - 05 Oct	Etihad Airways
07 Sep - 27 Sep	Air India
05 Sep - 20 Sep	Lufthansa

Also check the deals for one-way flights from Bangalore 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 Bangalore to Dublin in September from 432€

Return flights