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

Return flights

02 Jun - 09 Jun	Finnair	direct
01 Jun - 01 Jun	Scandinavian Airlines
11 Jun - 16 Jun	Lufthansa
12 Jun - 16 Jun	Finnair	direct
11 Jun - 16 Jun	Finnair	direct
03 Jun - 10 Jun	Finnair	direct
01 Jun - 05 Jun	Scandinavian Airlines
18 Jun - 22 Jun	Finnair	direct
01 Jun - 05 Jun	Finnair	direct
12 Jun - 19 Jun	Scandinavian Airlines
21 Jun - 04 Jul	Icelandair	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 267€

Return flights