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

Return flights

14 Jul - 03 Aug	KLM
02 Jul - 16 Jul	Ryanair	direct
06 Jul - 23 Jul	Ryanair	direct
02 Jul - 08 Jul	Ryanair
16 Jul - 03 Aug	Ryanair	direct
03 Jul - 23 Jul	Norwegian Air Sweden AOC	direct
13 Jul - 03 Aug	Ryanair	direct
16 Jul - 05 Aug	Ryanair	direct
23 Jul - 30 Jul	Ryanair
09 Jul - 27 Jul	Ryanair	direct
15 Jul - 27 Jul	KLM
14 Jul - 27 Jul	KLM
16 Jul - 30 Jul	Ryanair	direct
15 Jul - 31 Jul	KLM
30 Jul - 03 Aug	Ryanair
30 Jul - 06 Aug	Ryanair
30 Jul - 05 Aug	Ryanair
22 Jul - 10 Aug	Vueling Airlines
31 Jul - 10 Aug	Ryanair
30 Jul - 08 Aug	Ryanair

Also check the deals for one-way flights from Porto to Copenhagen in July.

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 July from $210

Return flights