Cheapest return flights from Helsinki to Keflavik in September from 230€

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

Return flights

26 Sep - 13 Oct Norwegian Air Sweden AOC
16 Sep - 23 Sep Norwegian Air Sweden AOC
24 Sep - 30 Sep Norwegian Air Sweden AOC
13 Sep - 16 Sep Lufthansa
25 Sep - 30 Sep Norwegian Air Sweden AOC
20 Sep - 04 Oct Ryanair
24 Sep - 27 Sep Norwegian Air Sweden AOC
17 Sep - 24 Sep Norwegian Air Sweden AOC
26 Sep - 30 Sep Norwegian Air Sweden AOC
12 Sep - 16 Sep Lufthansa
25 Sep - 27 Sep Norwegian Air Sweden AOC
27 Sep - 30 Sep Ryanair
30 Sep - 03 Oct Norwegian Air Sweden AOC
30 Sep - 07 Oct Lufthansa
26 Sep - 13 Oct Icelandair direct
30 Sep - 03 Oct Finnair direct

Also check the deals for one-way 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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