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

Return flights

07 Jun - 10 Jun	airBaltic
11 Jun - 16 Jun	Lufthansa
09 Jun - 14 Jun	Scandinavian Airlines
09 Jun - 12 Jun	Finnair	direct
11 Jun - 16 Jun	Finnair	direct
07 Jun - 10 Jun	Finnair	direct
11 Jun - 18 Jun	Finnair	direct
11 Jun - 11 Jun	Finnair
10 Jun - 12 Jun	Finnair	direct
01 Jun - 01 Jun	Finnair
29 Jun - 05 Jul	airBaltic
29 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 241€

Return flights