AirHint found the following cheapest return flights from Dublin (DUB) to Singapore (SIN) in October 2025 (see full year).

Return flights

06 Oct - 21 Oct	Finnair
06 Oct - 22 Oct	Finnair
21 Oct - 28 Oct	Finnair
21 Oct - 06 Nov	Finnair
02 Oct - 09 Oct	Finnair
03 Oct - 12 Oct	Turkish Airlines
05 Oct - 13 Oct	Finnair
02 Oct - 07 Oct	Finnair
01 Oct - 06 Oct	Finnair
01 Oct - 08 Oct	Turkish Airlines
02 Oct - 16 Oct	Finnair
21 Oct - 16 Nov	Finnair
21 Oct - 09 Nov	Finnair
22 Oct - 04 Nov	Finnair
22 Oct - 12 Nov	Finnair
26 Oct - 09 Nov	Finnair
27 Oct - 02 Nov	Finnair
23 Oct - 21 Nov	KLM
16 Oct - 14 Nov	Finnair
21 Oct - 07 Nov	Turkish Airlines

Also check the deals for one-way flights from Dublin to Singapore in October.

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 Dublin to Singapore in October from 479€

Return flights