AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Dublin (DUB) in December 2025 (see full year).

Return flights

03 Dec - 10 Dec	Icelandair
06 Dec - 13 Dec	Icelandair
13 Dec - 10 Jan	Icelandair
13 Dec - 12 Jan	Icelandair
13 Dec - 11 Jan	United
10 Dec - 15 Dec	Icelandair
15 Dec - 10 Jan	United
09 Dec - 16 Dec	Aer Lingus
28 Dec - 05 Jan	Air Canada
17 Dec - 10 Jan	United
12 Dec - 19 Dec	Icelandair
21 Dec - 28 Dec	Aer Lingus
30 Dec - 06 Jan	Aer Lingus
20 Dec - 27 Dec	Icelandair
25 Dec - 01 Jan	Aer Lingus

Also check the deals for one-way flights from Raleigh-durham 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 Raleigh-durham to Dublin in December from 323€

Return flights