We have prepared for you the list of the cheapest deals for Ryanair flight from Cologne (CGN) to Porto (OPO) by the month of departure.
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 30 Sep 2025 | $ 150 | Book Now |
| 26 Sep 2025 | $ 156 | Book Now |
| 27 Sep 2025 | $ 160 | Book Now |
| 25 Sep 2025 | $ 171 | Book Now |
| 18 Sep 2025 | $ 210 | Book Now |
Cheapest flights for October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 27 Oct 2025 | $ 29 | Book Now |
| 28 Oct 2025 | $ 29 | Book Now |
| 31 Oct 2025 | $ 40 | Book Now |
| 26 Oct 2025 | $ 41 | Book Now |
| 25 Oct 2025 | $ 59 | Book Now |
Cheapest flights for November 2025
| Departure date | Cheapest price | |
|---|---|---|
| 01 Nov 2025 | $ 33 | Book Now |
| 02 Nov 2025 | $ 33 | Book Now |
| 08 Nov 2025 | $ 33 | Book Now |
| 09 Nov 2025 | $ 33 | Book Now |
| 10 Nov 2025 | $ 33 | Book Now |
Cheapest flights for December 2025
| Departure date | Cheapest price | |
|---|---|---|
| 06 Dec 2025 | $ 68 | Book Now |
| 13 Dec 2025 | $ 85 | Book Now |
| 05 Dec 2025 | $ 91 | Book Now |
| 04 Dec 2025 | $ 92 | Book Now |
| 11 Dec 2025 | $ 97 | Book Now |
Cheapest flights for January 2026
| Departure date | Cheapest price | |
|---|---|---|
| 19 Jan 2026 | $ 45 | Book Now |
| 15 Jan 2026 | $ 45 | Book Now |
| 08 Jan 2026 | $ 45 | Book Now |
| 12 Jan 2026 | $ 48 | Book Now |
| 06 Jan 2026 | $ 54 | Book Now |
Cheapest flights for February 2026
| Departure date | Cheapest price | |
|---|---|---|
| 14 Feb 2026 | $ 54 | Book Now |
| 07 Feb 2026 | $ 54 | Book Now |
| 05 Feb 2026 | $ 54 | Book Now |
| 02 Feb 2026 | $ 54 | Book Now |
| 01 Feb 2026 | $ 54 | Book Now |
Cheapest flights for March 2026
| Departure date | Cheapest price | |
|---|---|---|
| 21 Mar 2026 | $ 59 | Book Now |
| 14 Mar 2026 | $ 60 | Book Now |
| 20 Mar 2026 | $ 84 | Book Now |
| 19 Mar 2026 | $ 92 | Book Now |
| 13 Mar 2026 | $ 95 | 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.
Find us on social media