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

Return flights

12 Sep - 15 Sep	Air Serbia
12 Sep - 16 Sep	Air Serbia
29 Sep - 13 Oct	Air Serbia
18 Sep - 23 Sep	Aegean Airlines
12 Sep - 14 Sep	Air Serbia
19 Sep - 28 Sep	Air Serbia
12 Sep - 21 Sep	Air Serbia
05 Sep - 22 Sep	Air Serbia
05 Sep - 09 Sep	Air Serbia
20 Sep - 23 Sep	Ryanair
25 Sep - 30 Sep	SWISS	direct
26 Sep - 05 Oct	Aegean Airlines
24 Sep - 01 Oct	Aegean Airlines
27 Sep - 01 Oct	Ryanair
30 Sep - 05 Oct	Aegean Airlines
12 Sep - 01 Oct	Air Serbia
29 Sep - 02 Oct	Air Serbia
26 Sep - 02 Oct	Aegean Airlines
29 Sep - 13 Oct	SWISS	direct
27 Sep - 01 Oct	SWISS	direct

Also check the deals for one-way flights from Thessaloniki to Zurich 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 Thessaloniki to Zurich in September from $219

Return flights