Cheapest one-way flights from Helsinki to Keflavik in September from 91€

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

One-Way flights

13 Sep Ryanair
23 Sep Norwegian Air Sweden AOC
03 Sep Norwegian
02 Sep Scandinavian Airlines
29 Sep Scandinavian Airlines
05 Sep Scandinavian Airlines
07 Sep Scandinavian Airlines
15 Sep Norwegian Air Sweden AOC
18 Sep Scandinavian Airlines
19 Sep Scandinavian Airlines

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.