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

Return flights

02 Oct - 05 Oct	Ryanair
03 Oct - 05 Oct	Ryanair
10 Oct - 14 Oct	easyJet
22 Oct - 07 Nov	Vueling Airlines
27 Oct - 07 Nov	Vueling Airlines
21 Oct - 29 Oct	easyJet
23 Oct - 31 Oct	easyJet
23 Oct - 27 Oct	easyJet
15 Oct - 22 Oct	easyJet
16 Oct - 20 Oct	easyJet
22 Oct - 25 Oct	easyJet
08 Oct - 13 Oct	easyJet
31 Oct - 03 Nov	easyJet
22 Oct - 07 Nov	Ryanair	direct
30 Oct - 02 Nov	easyJet
30 Oct - 01 Nov	easyJet
24 Oct - 07 Nov	Vueling Airlines
21 Oct - 07 Nov	Vueling Airlines
25 Oct - 07 Nov	Vueling Airlines
23 Oct - 07 Nov	Vueling Airlines

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

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 October from $138

Return flights