AirHint found the following cheapest return flights from Luxemburg (LUX) to Kos (KGS) in September 2026 (see full year).
Return flights
| 03 Sep - 10 Sep | easyJet | ||
| 14 Sep - 21 Sep | easyJet | ||
| 13 Sep - 20 Sep | Ryanair | ||
| 13 Sep - 20 Sep | Luxair | direct | |
| 03 Sep - 10 Sep | Luxair | direct |
Also check the deals for one-way flights from Luxemburg to Kos in September.
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