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

Return flights

03 Sep - 10 Sep	Air India
17 Sep - 24 Sep	Air India
22 Sep - 29 Sep	Air India
23 Sep - 30 Sep	Air India
21 Sep - 28 Sep	Air India
20 Sep - 27 Sep	Air India
29 Sep - 07 Oct	Air India
26 Sep - 03 Oct	Air India
15 Sep - 18 Sep	Air India
26 Sep - 30 Sep	Air India Express
26 Sep - 05 Oct	Air India Express
26 Sep - 07 Oct	Air India Express
26 Sep - 09 Oct	Air India Express
26 Sep - 04 Oct	Air India Express
26 Sep - 08 Oct	Air India Express
26 Sep - 01 Oct	Air India Express
26 Sep - 06 Oct	Air India Express
26 Sep - 10 Oct	Air India Express
09 Sep - 11 Sep	Air India Express
04 Sep - 11 Sep	Air India Express

Also check the deals for one-way flights from Bangalore to Singapore 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 Singapore in September from $122

Return flights