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

Return flights

23 Sep - 02 Oct	SWISS
21 Sep - 29 Sep	Air Serbia
28 Sep - 09 Oct	Air Serbia
02 Sep - 17 Sep	SWISS	direct
09 Sep - 17 Sep	SWISS	direct
16 Sep - 23 Oct	SWISS	direct
22 Sep - 29 Sep	easyJet
27 Sep - 10 Oct	Eurowings
10 Sep - 15 Sep	Aegean Airlines
19 Sep - 02 Oct	easyJet
22 Sep - 02 Oct	easyJet
14 Sep - 19 Sep	SWISS	direct
14 Sep - 20 Sep	easyJet
23 Sep - 03 Oct	SWISS	direct
23 Sep - 28 Sep	SWISS
25 Sep - 29 Sep	Air Serbia
21 Sep - 26 Sep	Air Serbia
03 Sep - 03 Oct	Air Serbia
28 Sep - 08 Oct	Air Serbia
29 Sep - 13 Oct	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 148€

Return flights