Cheapest one-way flights from Helsinki to Keflavik in September from $111

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

03 Sep Norwegian
09 Sep Norwegian
03 Sep Finnair direct
15 Sep Scandinavian Airlines
09 Sep Finnair direct
15 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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