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

Return flights

13 Dec - 15 Dec	Ryanair
11 Dec - 15 Dec	Ryanair
11 Dec - 12 Dec	Ryanair
11 Dec - 14 Dec	Ryanair
13 Dec - 16 Dec	Ryanair
08 Dec - 11 Dec	Ryanair
15 Dec - 18 Dec	Ryanair
07 Dec - 11 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
07 Dec - 14 Dec	Ryanair
12 Dec - 08 Jan	Ryanair
18 Dec - 05 Jan	Ryanair
31 Dec - 04 Jan	Ryanair
26 Dec - 06 Jan	Ryanair
29 Dec - 02 Jan	Ryanair
29 Dec - 05 Jan	Aeroitalia
22 Dec - 05 Jan	Aeroitalia
22 Dec - 02 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 $125

Return flights