We have prepared for you the list of the cheapest deals for Ryanair flight from Porto (OPO) to Cologne (CGN) by the month of departure.

Cheapest flights for September 2025

Departure date	Cheapest price
26 Sep 2025	101 €	Book Now
27 Sep 2025	107 €	Book Now
13 Sep 2025	118 €	Book Now
12 Sep 2025	120 €	Book Now
23 Sep 2025	127 €	Book Now

Cheapest flights for October 2025

Departure date	Cheapest price
14 Oct 2025	59 €	Book Now
30 Oct 2025	61 €	Book Now
10 Oct 2025	80 €	Book Now
21 Oct 2025	86 €	Book Now
11 Oct 2025	90 €	Book Now

Cheapest flights for November 2025

Departure date	Cheapest price
22 Nov 2025	41 €	Book Now
23 Nov 2025	53 €	Book Now
24 Nov 2025	53 €	Book Now
30 Nov 2025	57 €	Book Now
13 Nov 2025	61 €	Book Now

Cheapest flights for December 2025

Departure date	Cheapest price
14 Dec 2025	32 €	Book Now
15 Dec 2025	34 €	Book Now
13 Dec 2025	35 €	Book Now
22 Dec 2025	37 €	Book Now
07 Dec 2025	40 €	Book Now

Cheapest flights for January 2026

Departure date	Cheapest price
29 Jan 2026	46 €	Book Now
22 Jan 2026	46 €	Book Now
15 Jan 2026	46 €	Book Now
24 Jan 2026	50 €	Book Now
17 Jan 2026	50 €	Book Now

Cheapest flights for February 2026

Departure date	Cheapest price
12 Feb 2026	46 €	Book Now
07 Feb 2026	46 €	Book Now
05 Feb 2026	46 €	Book Now
02 Feb 2026	46 €	Book Now
01 Feb 2026	46 €	Book Now

Cheapest flights for March 2026

Departure date	Cheapest price
19 Mar 2026	46 €	Book Now
12 Mar 2026	46 €	Book Now
05 Mar 2026	46 €	Book Now
06 Mar 2026	62 €	Book Now
20 Mar 2026	71 €	Book Now

The deals are updated by AirHint regularly. Please keep in mind that the price may go up as tickets are purchased by other travellers. Only the cheapest one-way flights are offered. Book fast to secure these cheap Ryanair prices.

Ryanair deals from Porto to all destinations

Ryanair deals from Cologne to all destinations

Cheapest Ryanair flights Porto to Cologne from 32€