AirHint found the following cheapest return flights from Syros Island (JSY) to Thessaloniki (SKG) in August 2025 (see full year).

Return flights

28 Aug - 15 Sep	SKY express
27 Aug - 15 Sep	SKY express
29 Aug - 15 Sep	SKY express
26 Aug - 15 Sep	SKY express
19 Aug - 28 Aug	SKY express
19 Aug - 26 Aug	SKY express
19 Aug - 27 Aug	SKY express
27 Aug - 28 Aug	SKY express
26 Aug - 28 Aug	SKY express
26 Aug - 27 Aug	SKY express
15 Aug - 28 Aug	SKY express
15 Aug - 26 Aug	SKY express
15 Aug - 27 Aug	SKY express
15 Aug - 19 Aug	SKY express
19 Aug - 08 Sep	SKY express
19 Aug - 01 Sep	SKY express
28 Aug - 08 Sep	SKY express
28 Aug - 09 Sep	SKY express
28 Aug - 14 Sep	SKY express
28 Aug - 16 Sep	SKY express

Also check the deals for one-way flights from Syros Island to Thessaloniki in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Syros Island to Thessaloniki in August from $260

Return flights