AirHint found the following cheapest return flights from Zurich (ZRH) to Thessaloniki (SKG) in September 2025 (see full year).

Return flights

16 Sep - 29 Sep	easyJet
21 Sep - 29 Sep	Air Serbia
20 Sep - 29 Sep	Air Serbia
15 Sep - 29 Sep	Air Serbia
20 Sep - 06 Oct	Air Serbia
22 Sep - 03 Oct	Air Serbia
22 Sep - 02 Oct	Air Serbia
14 Sep - 29 Sep	Air Serbia
14 Sep - 27 Oct	Air Serbia
12 Sep - 18 Sep	Air Serbia
23 Sep - 29 Sep	easyJet
21 Sep - 15 Oct	Air Serbia
21 Sep - 16 Oct	Air Serbia
21 Sep - 17 Oct	Air Serbia
29 Sep - 08 Oct	LOT
14 Sep - 18 Sep	Air Serbia
25 Sep - 02 Oct	easyJet
14 Sep - 22 Oct	easyJet
16 Sep - 26 Sep	easyJet
17 Sep - 24 Sep	easyJet

Also check the deals for one-way flights from Zurich to Thessaloniki in September.

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 Zurich to Thessaloniki in September from 161€

Return flights