AirHint found the following cheapest return flights from Dublin (DUB) to Keflavik (KEF) in April 2026 (see full year).

Return flights

01 Apr - 07 Apr	Scandinavian Airlines
02 Apr - 07 Apr	Scandinavian Airlines
09 Apr - 12 Apr	Scandinavian Airlines
01 Apr - 04 Apr	Scandinavian Airlines
01 Apr - 16 Apr	Scandinavian Airlines
13 Apr - 16 Apr	Scandinavian Airlines
23 Apr - 27 Apr	Icelandair	direct
09 Apr - 13 Apr	Icelandair	direct
09 Apr - 12 Apr	Icelandair	direct
17 Apr - 24 Apr	Icelandair	direct
30 Apr - 04 May	Icelandair	direct
30 Apr - 05 May	Lufthansa

Also check the deals for one-way flights from Dublin to Keflavik in April.

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 Dublin to Keflavik in April from 266CAD

Return flights