Cheapest return flights from Porto to Cologne in September from $148

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

Return flights

30 Sep - 17 Oct Ryanair direct
30 Sep - 07 Oct Ryanair direct
23 Sep - 07 Oct Ryanair direct
30 Sep - 18 Oct Ryanair direct
30 Sep - 04 Oct Ryanair direct
23 Sep - 04 Oct Ryanair direct
23 Sep - 26 Sep Ryanair direct
11 Sep - 12 Sep Ryanair direct
18 Sep - 07 Oct Ryanair direct
23 Sep - 25 Sep Ryanair direct
23 Sep - 30 Sep Ryanair direct
18 Sep - 04 Oct Ryanair direct
30 Sep - 03 Oct Ryanair direct
04 Sep - 12 Sep Eurowings direct
25 Sep - 07 Oct Ryanair direct
11 Sep - 16 Sep Ryanair direct
11 Sep - 26 Sep Ryanair direct
18 Sep - 26 Sep Ryanair direct
11 Sep - 25 Sep Ryanair direct
11 Sep - 30 Sep Ryanair direct

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

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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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