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

Return flights

01 Dec - 07 Dec	Turkish Airlines
05 Dec - 15 Dec	Turkish Airlines
05 Dec - 11 Dec	Turkish Airlines
02 Dec - 05 Dec	Turkish Airlines
10 Dec - 17 Dec	Qatar Airways
10 Dec - 14 Dec	Aer Lingus
11 Dec - 15 Dec	Aer Lingus
01 Dec - 14 Dec	SWISS
12 Dec - 31 Dec	Lufthansa
29 Dec - 24 Jan	Turkish Airlines
16 Dec - 29 Dec	Lufthansa
13 Dec - 11 Jan	Aer Lingus
12 Dec - 01 Jan	Lufthansa
13 Dec - 04 Jan	Aer Lingus
15 Dec - 10 Jan	Aer Lingus
27 Dec - 17 Jan	Aer Lingus
29 Dec - 05 Jan	Ryanair
16 Dec - 10 Jan	Ryanair
12 Dec - 03 Jan	Aer Lingus
23 Dec - 12 Jan	Ryanair

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 489€

Return flights