AirHint found the following cheapest return flights from Kaunas (KUN) to Porto (OPO) in May 2026 (see full year).
Return flights
| 13 May - 15 May | Ryanair | ||
| 30 May - 06 Jun | Ryanair | ||
| 16 May - 23 May | Ryanair | ||
| 23 May - 30 May | Ryanair | ||
| 09 May - 16 May | Ryanair |
Also check the deals for one-way flights from Kaunas to Porto in May.
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