Cheapest return flights from Cologne to Porto in September from $138

AirHint found the following cheapest return flights from Cologne (CGN) to Porto (OPO) in September 2026 (see full year).

Return flights

10 Sep - 08 Oct Eurowings direct
03 Sep - 10 Sep Eurowings direct
10 Sep - 17 Sep Eurowings direct
03 Sep - 07 Sep Eurowings direct
04 Sep - 16 Sep Ryanair direct
18 Sep - 30 Sep Ryanair direct
19 Sep - 26 Sep Eurowings direct
09 Sep - 16 Sep Ryanair direct
18 Sep - 01 Oct Ryanair direct
03 Sep - 05 Sep Eurowings direct
04 Sep - 17 Sep Ryanair direct
04 Sep - 18 Sep Ryanair direct
23 Sep - 14 Oct Ryanair direct
25 Sep - 14 Oct Ryanair direct
18 Sep - 08 Oct Ryanair direct
23 Sep - 01 Oct Ryanair direct
20 Sep - 01 Oct Ryanair direct
18 Sep - 02 Oct Ryanair direct
21 Sep - 03 Oct Eurowings direct
24 Sep - 14 Oct Ryanair direct

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

Powered by

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.

Book a cheap hotel in Porto

Cheap car rent in Porto

Feel free to contact us with any feedback or request another flight research.