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

Return flights

16 Dec - 22 Dec	Hahn Air Technologies
11 Dec - 14 Dec	Hahn Air Technologies
05 Dec - 10 Dec	airBaltic
14 Dec - 21 Dec	Ryanair
23 Dec - 11 Jan	Hahn Air Technologies	direct
17 Dec - 29 Dec	Air Serbia
16 Dec - 29 Dec	Scandinavian Airlines
25 Dec - 28 Dec	Hahn Air Technologies	direct
29 Dec - 07 Jan	Lufthansa
19 Dec - 22 Dec	Eurowings
21 Dec - 09 Jan	airBaltic
18 Dec - 08 Jan	Wizz Air
19 Dec - 23 Jan	Eurowings
21 Dec - 08 Jan	Air Serbia
17 Dec - 17 Dec	Ethiopian Airlines
19 Dec - 23 Dec	Eurowings
19 Dec - 08 Jan	Eurowings
22 Dec - 07 Jan	LOT
21 Dec - 10 Jan	Air Serbia
22 Dec - 11 Jan	airBaltic

Also check the deals for one-way flights from Stockholm 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 Stockholm to Bucharest in December from 140€

Return flights