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

Return flights

23 Dec - 14 Jan	KLM
06 Dec - 07 Dec	Lufthansa
04 Dec - 11 Dec	Air India
06 Dec - 13 Dec	China Eastern
02 Dec - 12 Dec	Etihad Airways
05 Dec - 12 Dec	Air India
16 Dec - 23 Dec	Emirates
27 Dec - 01 Jan	Etihad Airways
17 Dec - 23 Dec	Emirates
15 Dec - 23 Dec	Emirates
24 Dec - 04 Jan	KLM
17 Dec - 21 Dec	Emirates
17 Dec - 22 Dec	Emirates
20 Dec - 04 Jan	IndiGo

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

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 Singapore to Dublin in December from $640

Return flights