Cheapest return flights from Helsinki to Keflavik in September from $314

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

Return flights

01 Sep - 03 Sep Norwegian
22 Sep - 29 Sep Finnair
09 Sep - 13 Sep Finnair direct
01 Sep - 04 Sep Finnair direct
29 Sep - 21 Oct Icelandair direct
01 Sep - 03 Sep Finnair direct
22 Sep - 29 Sep Finnair direct
30 Sep - 06 Oct Icelandair direct
20 Sep - 26 Sep Icelandair direct

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

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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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