AirHint found the following cheapest return flights from Kaunas (KUN) to Madrid (MAD) in September 2026 (see full year).
Return flights
| 09 Sep - 13 Sep | Ryanair | direct | |
| 09 Sep - 16 Sep | Ryanair | direct | |
| 10 Sep - 14 Sep | Ryanair |
Also check the deals for one-way flights from Kaunas to Madrid in September.
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