Cheapest one-way flights from Helsinki to Keflavik in September from 130€

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

One-Way flights

26 Sep Norwegian Air Sweden AOC
22 Sep Ryanair
18 Sep Norwegian Air Sweden AOC
15 Sep Ryanair
18 Sep Finnair direct
11 Sep Finnair direct
11 Sep Norwegian
24 Sep Finnair direct
13 Sep Lufthansa
26 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.