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

Return flights

15 Dec - 18 Dec	Ryanair
01 Dec - 08 Dec	Ryanair
01 Dec - 04 Dec	Ryanair
31 Dec - 08 Jan	Lufthansa
15 Dec - 19 Dec	Ryanair
11 Dec - 15 Dec	Ryanair
08 Dec - 10 Dec	Ryanair
18 Dec - 21 Dec	Ryanair
04 Dec - 08 Dec	Ryanair
01 Dec - 07 Dec	Ryanair
05 Dec - 12 Dec	Ryanair
31 Dec - 03 Jan	Ryanair
31 Dec - 02 Jan	Ryanair
28 Dec - 02 Jan	Lufthansa
29 Dec - 01 Jan	Ryanair
18 Dec - 02 Jan	Ryanair
28 Dec - 01 Jan	Ryanair
30 Dec - 03 Jan	Ryanair
19 Dec - 05 Jan	Eurowings
30 Dec - 02 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 $202

Return flights