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

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

Return flights

15 May - 21 May Ryanair direct
15 May - 27 May Ryanair direct
15 May - 28 May Ryanair direct
15 May - 29 May Ryanair direct
15 May - 03 Jun Ryanair direct
16 May - 21 May Eurowings direct
15 May - 04 Jun Ryanair direct
20 May - 27 May Ryanair direct
20 May - 21 May Ryanair direct
20 May - 28 May Ryanair direct
04 May - 09 May Eurowings direct
15 May - 22 May Ryanair direct
28 May - 01 Jun Eurowings direct
20 May - 03 Jun Ryanair direct
15 May - 05 Jun Ryanair direct
20 May - 04 Jun Ryanair direct
21 May - 03 Jun Ryanair direct
20 May - 05 Jun Ryanair direct
20 May - 10 Jun Ryanair direct
21 May - 04 Jun Ryanair direct

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

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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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