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

Return flights

13 Aug - 20 Aug	Ryanair	direct
25 Aug - 28 Aug	Ryanair
31 Aug - 07 Sep	Ryanair	direct
29 Aug - 31 Aug	Ryanair
23 Aug - 27 Aug	Ryanair
22 Aug - 26 Aug	Ryanair
13 Aug - 27 Aug	Ryanair	direct
23 Aug - 26 Aug	Ryanair
25 Aug - 31 Aug	Ryanair
21 Aug - 27 Aug	Ryanair
27 Aug - 07 Sep	Ryanair	direct
13 Aug - 17 Aug	Ryanair	direct
31 Aug - 03 Sep	Ryanair
28 Aug - 07 Sep	Ryanair
29 Aug - 01 Sep	Ryanair
31 Aug - 04 Sep	Ryanair
28 Aug - 02 Sep	Ryanair
31 Aug - 02 Sep	Ryanair	direct
30 Aug - 03 Sep	Norwegian Air Sweden AOC
31 Aug - 21 Sep	Ryanair	direct

Also check the deals for one-way flights from Porto 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 Porto to Copenhagen in August from 189€

Return flights