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

Return flights

08 Dec - 17 Dec	Ryanair
12 Dec - 16 Dec	Lufthansa
22 Dec - 31 Dec	Ryanair
16 Dec - 20 Dec	Lufthansa
11 Dec - 19 Dec	Ryanair
04 Dec - 05 Dec	Ryanair
11 Dec - 14 Dec	Ryanair
09 Dec - 11 Dec	Ryanair
25 Dec - 05 Jan	Lufthansa
03 Dec - 04 Dec	Ryanair
27 Dec - 07 Jan	Lufthansa
22 Dec - 25 Dec	Lufthansa
27 Dec - 05 Jan	Lufthansa
24 Dec - 03 Jan	Eurowings
27 Dec - 06 Jan	Freebird Airlines
26 Dec - 04 Jan	Ryanair
27 Dec - 04 Jan	Freebird Airlines
25 Dec - 04 Jan	Lufthansa

Also check the deals for one-way flights from Cologne to Tallinn 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 Tallinn in December from 229€

Return flights