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

Return flights

08 Dec - 12 Dec	airBaltic	direct
12 Dec - 22 Dec	Lufthansa
01 Dec - 05 Dec	airBaltic	direct
29 Dec - 02 Jan	airBaltic	direct
22 Dec - 05 Jan	airBaltic	direct
12 Dec - 22 Dec	airBaltic	direct
26 Dec - 29 Dec	airBaltic	direct
26 Dec - 02 Jan	airBaltic	direct
05 Dec - 08 Dec	Lufthansa
03 Dec - 07 Dec	Lufthansa
05 Dec - 08 Dec	airBaltic	direct
11 Dec - 14 Dec	Lufthansa
26 Dec - 30 Dec	airBaltic
28 Dec - 03 Jan	LOT

Also check the deals for one-way flights from Ljubljana to Riga 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 Riga

Cheap car rent in Riga

Cheapest return flights from Ljubljana to Riga in December from $165

Return flights