Cheapest return flights from Porto to Copenhagen in September from $136

Best time to book flights for Porto (OPO) to Copenhagen (CPH) flights at AirHint

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

Return flights

30 Sep - 19 Oct Vueling Airlines
18 Sep - 21 Sep Vueling Airlines
16 Sep - 21 Sep Vueling Airlines
10 Sep - 21 Sep Ryanair direct
17 Sep - 21 Sep Ryanair direct
19 Sep - 21 Sep Ryanair
29 Sep - 19 Oct Vueling Airlines
30 Sep - 14 Oct Vueling Airlines
30 Sep - 03 Oct Vueling Airlines
18 Sep - 25 Sep Vueling Airlines
18 Sep - 28 Sep Vueling Airlines
28 Sep - 19 Oct Ryanair direct
24 Sep - 28 Sep Vueling Airlines
03 Sep - 21 Sep Ryanair direct
13 Sep - 21 Sep TAP
30 Sep - 19 Oct Norwegian Air Sweden AOC direct
30 Sep - 05 Oct Vueling Airlines
30 Sep - 15 Oct Vueling Airlines
24 Sep - 14 Oct Vueling Airlines
18 Sep - 03 Oct Vueling Airlines

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

Skyscanner

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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