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

Return flights

03 Dec - 17 Dec	Lufthansa
10 Dec - 17 Dec	Lufthansa
03 Dec - 16 Dec	Lufthansa
06 Dec - 17 Dec	Lufthansa
10 Dec - 24 Dec	Lufthansa
01 Dec - 08 Dec	Lufthansa
02 Dec - 09 Dec	Air France
03 Dec - 10 Dec	KLM
07 Dec - 17 Dec	Air France
03 Dec - 09 Dec	KLM
30 Dec - 20 Jan	Lufthansa
29 Dec - 20 Jan	Lufthansa
31 Dec - 20 Jan	Lufthansa
31 Dec - 21 Jan	Lufthansa
30 Dec - 21 Jan	Air France
25 Dec - 17 Jan	Air Canada
31 Dec - 19 Jan	Lufthansa
16 Dec - 12 Jan	Lufthansa
23 Dec - 13 Jan	Air France
17 Dec - 13 Jan	Air France

Also check the deals for one-way flights from Columbus 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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Cheapest return flights from Columbus to Dublin in December from 328€

Return flights