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

Return flights

14 Dec - 18 Dec	Ryanair
01 Dec - 08 Dec	Ryanair
15 Dec - 27 Dec	Ryanair
06 Dec - 07 Dec	Ryanair
05 Dec - 07 Dec	Ryanair
04 Dec - 07 Dec	Ryanair
15 Dec - 28 Dec	Ryanair
12 Dec - 14 Dec	Ryanair
30 Dec - 01 Jan	Ryanair
14 Dec - 14 Dec	Ryanair
22 Dec - 07 Jan	Ryanair
31 Dec - 04 Jan	Ryanair
23 Dec - 26 Dec	Ryanair
18 Dec - 04 Jan	Ryanair
29 Dec - 03 Jan	Ryanair
22 Dec - 04 Jan	Ryanair
20 Dec - 04 Jan	Ryanair
19 Dec - 04 Jan	Ryanair

Also check the deals for one-way flights from Cologne 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 Cologne to Riga in December from 135€

Return flights