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

Return flights

18 Jun - 23 Jun	Finnair	direct
03 Jun - 09 Jun	Scandinavian Airlines
05 Jun - 09 Jun	Lufthansa
02 Jun - 06 Jun	Norwegian
02 Jun - 06 Jun	Finnair	direct
05 Jun - 09 Jun	Finnair	direct
01 Jun - 01 Jun	Finnair
22 Jun - 25 Jun	Finnair	direct
01 Jun - 06 Jun	Finnair	direct
09 Jun - 13 Jun	Norwegian
27 Jun - 05 Jul	Lufthansa
27 Jun - 05 Jul	Finnair	direct

Also check the deals for one-way flights from Helsinki to Keflavik in June.

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 June from 288€

Return flights