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

Return flights

20 Apr - 27 Apr	airBaltic
03 Apr - 06 Apr	airBaltic
22 Apr - 26 Apr	airBaltic
20 Apr - 24 Apr	Finnair
17 Apr - 23 Apr	Lufthansa
20 Apr - 24 Apr	Finnair	direct
20 Apr - 27 Apr	Finnair	direct
22 Apr - 26 Apr	Finnair	direct
06 Apr - 12 Apr	Finnair	direct
17 Apr - 23 Apr	Icelandair	direct
29 Apr - 02 May	Scandinavian Airlines

Also check the deals for one-way flights from Helsinki 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 Helsinki to Keflavik in April from $253

Return flights