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

Return flights

10 Dec - 12 Jan	KLM
10 Dec - 10 Jan	United
11 Dec - 19 Dec	Delta
09 Dec - 11 Jan	Air France
12 Dec - 19 Dec	United
15 Dec - 10 Jan	United
12 Dec - 23 Dec	United
09 Dec - 16 Dec	Aer Lingus
04 Dec - 27 Dec	Lufthansa
12 Dec - 21 Dec	United
28 Dec - 06 Jan	Air France
25 Dec - 06 Jan	Air France
15 Dec - 22 Dec	Aer Lingus
06 Dec - 13 Dec	Aer Lingus
25 Dec - 30 Dec	United
17 Dec - 23 Dec	Spirit Airlines
09 Dec - 03 Jan	United
18 Dec - 10 Jan	KLM
28 Dec - 04 Jan	Aer Lingus

Also check the deals for one-way flights from Charlotte 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 Charlotte to Dublin in December from 436€

Return flights