Cheapest one-way flights from Keflavik to Helsinki in September from $141

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

One-Way flights

16 Sep Norwegian
17 Sep Wizz Air
09 Sep Scandinavian Airlines
30 Sep Wizz Air
08 Sep Scandinavian Airlines
10 Sep Scandinavian Airlines
11 Sep Scandinavian Airlines
20 Sep Wizz Air
10 Sep Finnair direct
09 Sep Finnair direct

Also check the deals for return flights from Keflavik to Helsinki 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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