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

Return flights

30 Sep - 06 Oct	SriLankan Airlines
25 Sep - 02 Oct	Scoot	direct
24 Sep - 28 Sep	Scoot	direct
21 Sep - 28 Sep	Air India
28 Sep - 06 Oct	Scoot	direct
26 Sep - 29 Sep	Scoot	direct
30 Sep - 30 Oct	SriLankan Airlines
29 Sep - 03 Oct	Scoot	direct
30 Sep - 05 Oct	SriLankan Airlines
19 Sep - 26 Sep	IndiGo
26 Sep - 03 Oct	Scoot	direct
22 Sep - 03 Oct	Scoot	direct
22 Sep - 01 Oct	Scoot	direct
22 Sep - 02 Oct	Scoot	direct
21 Sep - 28 Sep	Scoot	direct
19 Sep - 28 Sep	Scoot	direct
24 Sep - 26 Sep	Air India Express
25 Sep - 26 Sep	AirAsia
19 Sep - 26 Sep	Scoot	direct
19 Sep - 24 Sep	Scoot	direct

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 174€

Return flights