AirHint found the following cheapest return flights from Thessaloniki (SKG) to Belgrade (BEG) in October 2025 (see full year).

Return flights

17 Oct - 19 Oct	Air Serbia
09 Oct - 15 Oct	Air Serbia	direct
16 Oct - 20 Oct	Air Serbia	direct
20 Oct - 23 Oct	Air Serbia	direct
20 Oct - 24 Oct	Air Serbia	direct
28 Oct - 04 Nov	Ryanair
28 Oct - 31 Oct	Ryanair
17 Oct - 20 Oct	Air Serbia	direct
30 Oct - 04 Nov	Air Serbia	direct
21 Oct - 27 Oct	Ryanair
27 Oct - 30 Oct	Ryanair
01 Oct - 08 Oct	Ryanair

Also check the deals for one-way flights from Thessaloniki to Belgrade in October.

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 Belgrade in October from $159

Return flights