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

Return flights

01 Dec - 05 Dec	airBaltic	direct
12 Dec - 15 Dec	airBaltic	direct
15 Dec - 19 Dec	airBaltic	direct
05 Dec - 06 Dec	Lufthansa
22 Dec - 26 Dec	airBaltic	direct
26 Dec - 29 Dec	airBaltic	direct
22 Dec - 29 Dec	airBaltic	direct
19 Dec - 22 Dec	airBaltic	direct
11 Dec - 14 Dec	Lufthansa
29 Dec - 02 Jan	airBaltic	direct
24 Dec - 30 Dec	SWISS

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.

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Cheapest return flights from Ljubljana to Riga in December from $169

Return flights