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

Return flights

02 Dec - 09 Dec	Lufthansa
02 Dec - 24 Dec	Lufthansa
03 Dec - 24 Dec	Lufthansa
03 Dec - 12 Dec	Lufthansa
03 Dec - 17 Dec	Lufthansa
08 Dec - 15 Dec	Lufthansa
10 Dec - 17 Dec	Lufthansa
03 Dec - 15 Dec	Lufthansa
03 Dec - 10 Dec	Delta
09 Dec - 16 Dec	KLM
31 Dec - 21 Jan	Lufthansa
30 Dec - 15 Jan	Air France
31 Dec - 13 Jan	KLM
30 Dec - 20 Jan	Air France
31 Dec - 08 Jan	Lufthansa
24 Dec - 14 Jan	Air Canada
24 Dec - 17 Jan	Air Canada
24 Dec - 12 Jan	United
16 Dec - 12 Jan	Lufthansa
23 Dec - 14 Jan	Lufthansa

Also check the deals for one-way flights from Cincinnati 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 Cincinnati to Dublin in December from 329€

Return flights