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

Return flights

29 Sep - 03 Oct	Scoot	direct
23 Sep - 30 Sep	Scoot	direct
19 Sep - 24 Sep	Scoot	direct
28 Sep - 02 Oct	Scoot	direct
27 Sep - 29 Sep	Scoot	direct
12 Sep - 14 Sep	SriLankan Airlines
15 Sep - 22 Sep	SriLankan Airlines
27 Sep - 15 Oct	AirAsia
25 Sep - 15 Oct	AirAsia
27 Sep - 08 Oct	AirAsia
25 Sep - 27 Sep	AirAsia
25 Sep - 08 Oct	AirAsia
27 Sep - 04 Oct	AirAsia
27 Sep - 03 Oct	AirAsia
25 Sep - 26 Sep	AirAsia
25 Sep - 03 Oct	AirAsia
25 Sep - 04 Oct	AirAsia
27 Sep - 28 Sep	AirAsia
25 Sep - 28 Sep	AirAsia
24 Sep - 27 Sep	Air India Express

Also check the deals for one-way flights from Trivandrum 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 Trivandrum to Singapore in September from $215

Return flights