AirHint found the following cheapest return flights from Helsinki (HEL) to Keflavik (KEF) in September 2026 (see full year).
Return flights
| 08 Sep - 11 Sep | Lufthansa | ||
| 08 Sep - 11 Sep | Finnair | direct | |
| 26 Sep - 06 Oct | Icelandair | direct | |
| 04 Sep - 12 Sep | Lufthansa | ||
| 04 Sep - 12 Sep | Icelandair | direct |
Also check the deals for one-way flights from Helsinki to Keflavik in September.
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