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

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

One-Way flights

06 Sep Ryanair
10 Sep Norwegian
08 Sep Scandinavian Airlines
30 Sep Scandinavian Airlines
19 Sep Scandinavian Airlines
25 Sep Scandinavian Airlines
29 Sep Scandinavian Airlines
01 Sep Scandinavian Airlines
02 Sep Norwegian
28 Sep airBaltic

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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