AirHint found the following cheapest return flights from Thessaloniki (SKG) to Porto (OPO) in July 2026 (see full year).
Return flights
| 01 Jul - 08 Jul | KLM | ||
| 02 Jul - 08 Jul | KLM | ||
| 03 Jul - 13 Jul | KLM | ||
| 08 Jul - 15 Jul | Austrian Airlines | ||
| 27 Jul - 31 Jul | KLM | ||
| 17 Jul - 26 Jul | Ryanair |
Also check the deals for one-way flights from Thessaloniki to Porto in July.
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