Cheapest return flights from Thessaloniki to Belgrade in September from $166

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

Return flights

25 Sep - 29 Sep Air Serbia direct
22 Sep - 26 Sep Air Serbia direct
22 Sep - 25 Sep Air Serbia
19 Sep - 21 Sep Air Serbia direct
22 Sep - 25 Sep Air Serbia direct
03 Sep - 06 Sep Austrian Airlines
07 Sep - 13 Sep Ryanair
01 Sep - 10 Sep Aegean Airlines
08 Sep - 11 Sep Air Serbia direct
08 Sep - 13 Sep Air Serbia direct

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

Skyscanner

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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