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

Return flights

26 May - 15 Jun	Ryanair
14 May - 16 May	Ryanair
08 May - 11 May	Ryanair
08 May - 10 May	Ryanair
04 May - 17 May	Ryanair
10 May - 17 May	Ryanair
29 May - 31 May	Ryanair
20 May - 31 May	Ryanair
23 May - 25 May	Ryanair
23 May - 30 May	Ryanair
08 May - 10 May	Lufthansa	direct
31 May - 10 Jun	Lufthansa	direct
26 May - 15 Jun	Lufthansa	direct
31 May - 06 Jun	Lufthansa	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 130€

Return flights