AirHint found the following cheapest return flights from Thessaloniki (SKG) to Barcelona (BCN) in September 2026 (see full year).
Return flights
| 04 Sep - 08 Sep | Aegean Airlines | ||
| 04 Sep - 06 Sep | SWISS | ||
| 02 Sep - 06 Sep | LOT | ||
| 01 Sep - 02 Sep | Aegean Airlines |
Also check the deals for one-way flights from Thessaloniki to Barcelona in September.
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