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

Return flights

28 May - 31 May	Ryanair	direct
26 May - 31 May	Ryanair	direct
26 May - 16 Jun	Ryanair	direct
28 May - 16 Jun	Ryanair	direct
23 May - 31 May	Ryanair
21 May - 24 May	Ryanair
21 May - 28 May	Lufthansa
28 May - 02 Jun	Lufthansa
30 May - 04 Jun	Lufthansa
21 May - 02 Jun	Lufthansa
28 May - 04 Jun	Lufthansa
21 May - 24 May	Ryanair	direct
25 May - 02 Jun	Lufthansa
31 May - 16 Jun	Ryanair	direct
21 May - 31 May	Ryanair	direct
28 May - 02 Jun	Ryanair	direct
26 May - 14 Jun	Ryanair	direct
19 May - 26 May	easyJet
21 May - 25 May	Lufthansa
20 May - 26 May	easyJet

Also check the deals for one-way flights from Basel 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 Basel to Dublin in May from 109€

Return flights