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

Return flights

10 Dec - 17 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
10 Dec - 17 Dec	airBaltic	direct
12 Dec - 15 Dec	airBaltic	direct
08 Dec - 15 Dec	Ryanair
15 Dec - 22 Dec	Ryanair
08 Dec - 10 Dec	Ryanair
09 Dec - 16 Dec	Ryanair
13 Dec - 16 Dec	Ryanair
29 Dec - 01 Jan	airBaltic
26 Dec - 01 Jan	airBaltic
22 Dec - 26 Dec	Ryanair
30 Dec - 02 Jan	LOT
26 Dec - 05 Jan	airBaltic	direct
24 Dec - 02 Jan	airBaltic	direct

Also check the deals for one-way flights from Riga 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 Riga to Bucharest in December from 127€

Return flights