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

Return flights

26 Aug - 29 Aug	Ryanair
19 Aug - 30 Aug	Ryanair
18 Aug - 29 Aug	Eurowings
16 Aug - 31 Aug	Ryanair
22 Aug - 29 Aug	SWISS
25 Aug - 27 Aug	SWISS
04 Aug - 07 Aug	SWISS
16 Aug - 17 Aug	Ryanair
09 Aug - 16 Aug	SWISS

Also check the deals for one-way flights from Cologne to Tallinn in August.

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 August from 227€

Return flights