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

Return flights

01 Dec - 07 Dec	Ryanair
08 Dec - 12 Dec	Ryanair
08 Dec - 11 Dec	Ryanair
13 Dec - 15 Dec	Ryanair
06 Dec - 09 Dec	Ryanair
04 Dec - 08 Dec	Ryanair
05 Dec - 08 Dec	easyJet
10 Dec - 17 Dec	Ryanair
18 Dec - 20 Dec	Ryanair
23 Dec - 30 Dec	Ryanair
15 Dec - 05 Jan	Ryanair
30 Dec - 01 Jan	Ryanair
30 Dec - 04 Jan	Ryanair
18 Dec - 05 Jan	Ryanair
30 Dec - 03 Jan	Ryanair
30 Dec - 02 Jan	Ryanair
29 Dec - 02 Jan	easyJet
29 Dec - 05 Jan	Ryanair
20 Dec - 04 Jan	Ryanair
16 Dec - 05 Jan	Ryanair

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 $140

Return flights