AirHint found the following cheapest return flights from Turku (TKU) to Copenhagen (CPH) in August 2025 (see full year).

Return flights

25 Aug - 29 Aug	Scandinavian Airlines
25 Aug - 26 Aug	Scandinavian Airlines
22 Aug - 25 Aug	airBaltic
29 Aug - 04 Sep	airBaltic
11 Aug - 14 Aug	airBaltic
08 Aug - 11 Aug	airBaltic
15 Aug - 18 Aug	airBaltic
12 Aug - 15 Aug	airBaltic
14 Aug - 18 Aug	airBaltic
07 Aug - 11 Aug	airBaltic
13 Aug - 15 Aug	airBaltic
29 Aug - 04 Sep	Scandinavian Airlines	direct

Also check the deals for one-way flights from Turku to Copenhagen 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 Turku to Copenhagen in August from $141

Return flights