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

Return flights

16 Oct - 22 Oct	Wizz Air UK
22 Oct - 23 Oct	Wizz Air Malta
22 Oct - 24 Oct	Wizz Air Malta
29 Oct - 02 Nov	Ryanair
21 Oct - 25 Oct	Aegean Airlines
19 Oct - 23 Oct	Ryanair
20 Oct - 23 Oct	Ryanair
14 Oct - 22 Oct	Ryanair
02 Oct - 08 Oct	Wizz Air Malta
20 Oct - 23 Oct	Aegean Airlines	direct
22 Oct - 29 Oct	Wizz Air Malta
27 Oct - 01 Nov	Ryanair
31 Oct - 01 Nov	Ryanair
31 Oct - 02 Nov	Ryanair
30 Oct - 02 Nov	Ryanair
29 Oct - 02 Nov	Aegean Airlines	direct
30 Oct - 02 Nov	Air Serbia	direct
29 Oct - 03 Nov	Ryanair
28 Oct - 03 Nov	Ryanair
31 Oct - 01 Nov	Aegean Airlines	direct

Also check the deals for one-way flights from Athens 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 Athens to Belgrade in October from $136

Return flights