Cheapest return flights from Keflavik to Helsinki in September from 253€

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

Return flights

10 Sep - 25 Sep airBaltic
25 Sep - 09 Oct Finnair direct
10 Sep - 25 Sep Icelandair direct

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