AirHint found the following cheapest return flights from Zagreb (ZAG) to Thessaloniki (SKG) in May 2026 (see full year).
Return flights
| 03 May - 08 May | Ryanair | direct | |
| 01 May - 08 May | Ryanair | direct | |
| 14 May - 17 May | Ryanair | ||
| 01 May - 04 May | Ryanair | direct |
Also check the deals for one-way flights from Zagreb to Thessaloniki in May.
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