AirHint found the following cheapest return flights from Frankfurt (FRA) to Dublin (DUB) in May 2026 (see full year).

Return flights

01 May - 05 May	Ryanair
14 May - 17 May	Ryanair
24 May - 03 Jun	Aer Lingus
15 May - 17 May	Aer Lingus	direct
14 May - 17 May	Aer Lingus	direct
24 May - 03 Jun	Aer Lingus	direct
01 May - 05 May	Aer Lingus	direct

Also check the deals for one-way flights from Frankfurt to Dublin in May.

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 Frankfurt to Dublin in May from 146€

Return flights