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

Return flights

13 Dec - 16 Dec	Ryanair
07 Dec - 11 Dec	Ryanair
13 Dec - 18 Dec	Ryanair
15 Dec - 21 Dec	Ryanair
01 Dec - 04 Dec	Ryanair
06 Dec - 12 Dec	Ryanair
14 Dec - 21 Dec	Ryanair
10 Dec - 14 Dec	Aeroitalia
10 Dec - 13 Dec	Aeroitalia
09 Dec - 13 Dec	Ryanair
12 Dec - 08 Jan	Ryanair
27 Dec - 01 Jan	Ryanair
31 Dec - 02 Jan	Ryanair
28 Dec - 01 Jan	Ryanair
18 Dec - 05 Jan	Ryanair
31 Dec - 04 Jan	Ryanair
29 Dec - 02 Jan	Ryanair
28 Dec - 04 Jan	Ryanair
29 Dec - 12 Jan	Aeroitalia
26 Dec - 12 Jan	Aeroitalia

Also check the deals for one-way flights from Cagliari 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 Cagliari to Bucharest in December from 79€

Return flights