AirHint found the following cheapest return flights from Keflavik (KEF) to Dublin (DUB) in May 2026 (see full year).
Return flights
| 07 May - 12 May | easyJet | ||
| 12 May - 19 May | Scandinavian Airlines | ||
| 12 May - 19 May | Icelandair | direct | |
| 07 May - 12 May | Icelandair | direct | |
| 09 May - 30 May | Vueling Airlines |
Also check the deals for one-way flights from Keflavik to Dublin in May.
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