Cheapest one-way flights from Helsinki to Keflavik in September from $116

Best time to book flights for Helsinki (HEL) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest one-way flights from Helsinki (HEL) to Keflavik (KEF) in September 2025 (see full year).

One-Way flights

23 Sep Norwegian
10 Sep Norwegian
17 Sep Norwegian
22 Sep Scandinavian Airlines
12 Sep airBaltic
15 Sep Scandinavian Airlines
12 Sep Finnair direct
10 Sep Finnair direct
09 Sep Finnair direct
23 Sep Finnair direct

Also check the deals for return flights from Helsinki to Keflavik in September.

Skyscanner

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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