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

Return flights

11 Dec - 15 Dec	Ryanair
15 Dec - 19 Dec	Wizz Air
11 Dec - 12 Dec	Ryanair
11 Dec - 14 Dec	Ryanair
12 Dec - 19 Dec	Ryanair
10 Dec - 11 Dec	Ryanair
10 Dec - 17 Dec	Ryanair
12 Dec - 15 Dec	Wizz Air
09 Dec - 12 Dec	Ryanair
07 Dec - 11 Dec	Scandinavian Airlines
10 Dec - 16 Jan	Ryanair
14 Dec - 29 Jan	Ryanair
14 Dec - 18 Jan	Ryanair
15 Dec - 15 Jan	Ryanair
16 Dec - 15 Jan	LOT
07 Dec - 29 Jan	Ethiopian Airlines
16 Dec - 18 Jan	LOT
16 Dec - 29 Jan	LOT
16 Dec - 22 Jan	LOT
07 Dec - 18 Jan	Ethiopian Airlines

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 133€

Return flights