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

Return flights

07 Dec - 14 Dec	Ryanair
13 Dec - 19 Dec	Ryanair
12 Dec - 14 Dec	Vueling Airlines
13 Dec - 16 Dec	Vueling Airlines
06 Dec - 09 Dec	Ryanair
07 Dec - 11 Dec	Ryanair
07 Dec - 09 Dec	Ryanair
22 Dec - 29 Dec	Ryanair
18 Dec - 23 Dec	Vueling Airlines
06 Dec - 08 Dec	Ryanair
30 Dec - 05 Jan	Ryanair
31 Dec - 04 Jan	Aeroitalia
30 Dec - 02 Jan	Ryanair
30 Dec - 03 Jan	Ryanair
30 Dec - 04 Jan	Ryanair
29 Dec - 02 Jan	Ryanair
29 Dec - 05 Jan	Ryanair
29 Dec - 03 Jan	Ryanair
28 Dec - 03 Jan	Ryanair
29 Dec - 04 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.

Book a cheap hotel in Bucharest

Cheap car rent in Bucharest

Cheapest return flights from Cagliari to Bucharest in December from 118€

Return flights