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

Return flights

21 Dec - 24 Dec	Wizz Air
19 Dec - 21 Dec	Ryanair
19 Dec - 22 Dec	Ryanair
25 Dec - 01 Jan	Wizz Air
22 Dec - 26 Dec	Wizz Air
19 Dec - 30 Jan	Ryanair
25 Dec - 08 Jan	Wizz Air
19 Dec - 28 Dec	Ryanair
26 Dec - 28 Dec	Ryanair
27 Dec - 08 Jan	Wizz Air
18 Dec - 22 Dec	Ryanair
24 Dec - 29 Dec	Ryanair
19 Dec - 24 Dec	Ryanair
26 Dec - 31 Dec	Ryanair
30 Dec - 06 Jan	Wizz Air
30 Dec - 07 Jan	Wizz Air
26 Dec - 03 Jan	Ryanair
25 Dec - 03 Jan	Wizz Air
29 Dec - 06 Jan	Ryanair
31 Dec - 06 Jan	Ryanair

Also check the deals for one-way flights from Warsaw 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 Warsaw to Bucharest in December from 143€

Return flights