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

Return flights

26 Sep - 30 Sep	Air India
18 Sep - 24 Sep	Air India
19 Sep - 22 Sep	SriLankan Airlines
19 Sep - 24 Sep	Air India
17 Sep - 22 Sep	Air India
28 Sep - 03 Oct	Air India
20 Sep - 27 Sep	Air India
30 Sep - 05 Oct	Air India
24 Sep - 02 Oct	Air India Express
24 Sep - 03 Oct	Air India Express
24 Sep - 01 Oct	Air India Express
17 Sep - 19 Sep	IndiGo
18 Sep - 26 Sep	IndiGo	direct
18 Sep - 24 Sep	IndiGo	direct
18 Sep - 25 Sep	IndiGo	direct
29 Sep - 02 Oct	Air India Express
29 Sep - 03 Oct	Air India Express
29 Sep - 01 Oct	Air India Express
26 Sep - 03 Oct	Air India Express
24 Sep - 07 Oct	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 135€

Return flights