AirHint found the following cheapest return flights from Duesseldorf (DUS) to Helsinki (HEL) in September 2026 (see full year).
Return flights
| 04 Sep - 08 Sep | Air France | ||
| 23 Sep - 03 Oct | KLM | ||
| 17 Sep - 20 Sep | airBaltic | ||
| 08 Sep - 11 Sep | Finnair | direct | |
| 18 Sep - 20 Sep | Finnair | direct | |
| 17 Sep - 20 Sep | Finnair | direct | |
| 04 Sep - 08 Sep | Finnair | direct |
Also check the deals for one-way flights from Duesseldorf to Helsinki in September.
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