Cheapest return flights from Cologne to Porto in September from 109€

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

Return flights

25 Sep - 16 Oct Ryanair direct
04 Sep - 18 Sep Eurowings direct
11 Sep - 18 Sep Eurowings direct
04 Sep - 11 Sep Eurowings direct
26 Sep - 16 Oct Ryanair direct
02 Sep - 18 Sep Ryanair
06 Sep - 11 Sep Eurowings direct
13 Sep - 18 Sep Ryanair
09 Sep - 11 Sep Ryanair
29 Sep - 09 Oct Ryanair
25 Sep - 02 Oct Ryanair
25 Sep - 10 Oct Ryanair
25 Sep - 11 Oct Ryanair
30 Sep - 02 Oct Ryanair
26 Sep - 09 Oct Ryanair direct
05 Sep - 11 Sep Ryanair
25 Sep - 30 Sep Ryanair
25 Sep - 25 Sep Ryanair
18 Sep - 02 Oct Eurowings
25 Sep - 09 Oct Ryanair direct

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