AirHint found the following cheapest return flights from Porto (OPO) to Kaunas (KUN) in March 2026 (see full year).
Return flights
| 04 Mar - 12 Mar | Ryanair | ||
| 20 Mar - 23 Mar | Ryanair | ||
| 19 Mar - 23 Mar | Ryanair | ||
| 19 Mar - 26 Mar | Ryanair | ||
| 27 Mar - 29 Mar | Ryanair |
Also check the deals for one-way flights from Porto to Kaunas in March.
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