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

Return flights

12 Dec - 19 Dec	airBaltic	direct
05 Dec - 12 Dec	airBaltic	direct
05 Dec - 08 Dec	airBaltic	direct
22 Dec - 01 Jan	Lufthansa
19 Dec - 29 Dec	LOT
02 Dec - 06 Dec	Ryanair
19 Dec - 29 Dec	airBaltic	direct
26 Dec - 29 Dec	airBaltic	direct
23 Dec - 31 Dec	LOT
14 Dec - 20 Dec	Ryanair
23 Dec - 01 Jan	LOT

Also check the deals for one-way flights from Riga to Ljubljana 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 Riga to Ljubljana in December from 155€

Return flights