AirHint found the following cheapest return flights from Columbus (CMH) to Dublin (DUB) in March 2026 (see full year).

Return flights

01 Mar - 14 Mar	Air Canada
10 Mar - 18 Mar	Air Canada
10 Mar - 19 Mar	Lufthansa
24 Mar - 31 Mar	United
17 Mar - 23 Mar	Delta
31 Mar - 07 Apr	Aer Lingus
11 Mar - 18 Mar	Aer Lingus
17 Mar - 24 Mar	Aer Lingus
02 Mar - 09 Mar	Aer Lingus
08 Mar - 15 Mar	Aer Lingus
05 Mar - 12 Mar	Aer Lingus
26 Mar - 02 Apr	Aer Lingus

Also check the deals for one-way flights from Columbus to Dublin in March.

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 Columbus to Dublin in March from 399€

Return flights