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

Return flights

10 Sep - 16 Sep	Air India
26 Sep - 30 Sep	Air India
12 Sep - 14 Sep	Air India
06 Sep - 11 Sep	Air India
19 Sep - 27 Sep	Air India
02 Sep - 10 Sep	Air India
09 Sep - 18 Sep	Air India
09 Sep - 16 Sep	Air India
18 Sep - 22 Sep	Air India
11 Sep - 15 Sep	Air India
18 Sep - 07 Oct	Air India
30 Sep - 08 Oct	Air India
27 Sep - 01 Oct	Air India
30 Sep - 04 Oct	Air India
26 Sep - 02 Oct	Air India
26 Sep - 01 Oct	Air India
30 Sep - 05 Oct	Air India
28 Sep - 05 Oct	Air India
27 Sep - 05 Oct	Air India
26 Sep - 03 Oct	Air India

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 145€

Return flights