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

Return flights

22 Dec - 13 Jan	Lufthansa
28 Dec - 30 Dec	Delta
22 Dec - 08 Jan	Lufthansa
22 Dec - 29 Dec	Aer Lingus	direct
21 Dec - 12 Jan	Lufthansa
21 Dec - 07 Jan	United
20 Dec - 27 Dec	Delta
21 Dec - 28 Dec	Delta
29 Dec - 01 Jan	Lufthansa
29 Dec - 04 Jan	Aer Lingus
28 Dec - 04 Jan	Aer Lingus
31 Dec - 05 Jan	Aer Lingus
31 Dec - 04 Jan	Lufthansa
29 Dec - 02 Jan	Lufthansa
21 Dec - 28 Dec	Aer Lingus	direct

Also check the deals for one-way flights from Cleveland 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 Cleveland to Dublin in December from $651

Return flights