AirHint found the following cheapest return flights from Helsinki (HEL) to Luxemburg (LUX) in September 2026 (see full year).
Return flights
| 21 Sep - 24 Sep | Luxair | direct | |
| 08 Sep - 14 Sep | Norwegian Air Sweden AOC | ||
| 08 Sep - 14 Sep | Finnair | direct | |
| 06 Sep - 12 Sep | Ryanair | ||
| 24 Sep - 27 Sep | Lufthansa |
Also check the deals for one-way flights from Helsinki to Luxemburg in September.
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