AirHint found the following cheapest return flights from Heraklion (HER) to Belgrade (BEG) in December 2025 (see full year).

Return flights

30 Dec - 16 Jan	Aegean Airlines
15 Dec - 19 Dec	Ryanair
16 Dec - 19 Dec	SKY express
29 Dec - 07 Jan	Aegean Airlines
09 Dec - 13 Dec	Aegean Airlines
09 Dec - 12 Dec	Aegean Airlines
18 Dec - 19 Dec	Aegean Airlines
17 Dec - 19 Dec	SKY express
10 Dec - 13 Dec	SKY express
18 Dec - 21 Dec	Aegean Airlines
23 Dec - 26 Dec	SKY express
17 Dec - 21 Dec	SKY express
31 Dec - 03 Jan	Aegean Airlines
30 Dec - 03 Jan	Aegean Airlines

Also check the deals for one-way flights from Heraklion to Belgrade in December.

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 Heraklion to Belgrade in December from 224€

Return flights