Cheapest one-way flights from Helsinki to Keflavik in September from $144

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

One-Way flights

01 Sep Norwegian
29 Sep Ryanair
08 Sep Norwegian
15 Sep Norwegian
01 Sep Finnair direct
08 Sep Finnair direct
15 Sep Finnair direct
13 Sep Finnair direct
25 Sep Finnair direct
18 Sep Finnair direct

Also check the deals for return flights from Helsinki to Keflavik 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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