AirHint found the following cheapest return flights from London (LCY) to Thessaloniki (SKG) in September 2026 (see full year).
Return flights
| 05 Sep - 15 Sep | SWISS | ||
| 16 Sep - 23 Sep | Lufthansa | ||
| 20 Sep - 25 Sep | KLM | ||
| 09 Sep - 14 Sep | Lufthansa | ||
| 12 Sep - 14 Sep | SWISS | ||
| 04 Sep - 09 Sep | SWISS |
Also check the deals for one-way flights from London to Thessaloniki in September.
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