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

Return flights

01 Dec - 16 Dec	Pegasus Airlines
08 Dec - 25 Dec	Ryanair
01 Dec - 08 Dec	Ryanair
06 Dec - 31 Jan	Vueling Airlines
08 Dec - 07 Jan	Ryanair
07 Dec - 16 Dec	SWISS
29 Dec - 20 Jan	Pegasus Airlines
26 Dec - 13 Jan	Aer Lingus
26 Dec - 20 Jan	Aer Lingus
11 Dec - 27 Dec	Pegasus Airlines
31 Dec - 20 Jan	Etihad Airways
19 Dec - 17 Jan	Ryanair
19 Dec - 30 Dec	Ryanair
11 Dec - 04 Jan	Pegasus Airlines
01 Dec - 01 Jan	Ryanair
30 Dec - 18 Jan	Aer Lingus
25 Dec - 31 Dec	Vueling Airlines
20 Dec - 27 Dec	Emirates

Also check the deals for one-way flights from Dublin to Colombo 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 Colombo in December from $653

Return flights