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

Return flights

04 Dec - 08 Dec	Aegean Airlines
11 Dec - 18 Dec	Aegean Airlines
22 Dec - 26 Dec	Aegean Airlines
27 Dec - 31 Dec	Lufthansa
19 Dec - 23 Dec	Aegean Airlines
06 Dec - 11 Dec	Aegean Airlines
13 Dec - 17 Dec	SKY express
28 Dec - 01 Jan	Aegean Airlines
27 Dec - 30 Dec	Aegean Airlines
30 Dec - 03 Jan	SKY express
23 Dec - 30 Dec	Aegean Airlines
24 Dec - 29 Dec	Aegean Airlines

Also check the deals for one-way flights from Heraklion to Bucharest 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 Bucharest in December from $152

Return flights