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

Return flights

28 Dec - 23 Jan	Turkish Airlines
06 Dec - 17 Dec	Pegasus Airlines
05 Dec - 17 Dec	KLM
10 Dec - 17 Dec	Ryanair
11 Dec - 31 Dec	Lufthansa
15 Dec - 28 Dec	KLM
15 Dec - 15 Jan	KLM
28 Dec - 12 Jan	Aer Lingus
31 Dec - 07 Jan	Aer Lingus
20 Dec - 29 Dec	Ryanair
13 Dec - 05 Jan	Ryanair
26 Dec - 10 Jan	Ryanair
24 Dec - 31 Dec	British Airways
12 Dec - 19 Dec	Ryanair
27 Dec - 10 Jan	Vueling Airlines
20 Dec - 04 Jan	Ryanair
11 Dec - 05 Jan	Pegasus Airlines
29 Dec - 05 Jan	Turkish Airlines
18 Dec - 26 Dec	SunExpress
19 Dec - 30 Dec	Air France

Also check the deals for one-way flights from Dublin to Singapore 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 Dublin to Singapore in December from 639€

Return flights