We have prepared for you the list of the cheapest deals for Ryanair flight from Rome (CIA) to Porto (OPO) by the month of departure.
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 17 Sep 2025 | 69 € | Book Now |
| 24 Sep 2025 | 75 € | Book Now |
| 27 Sep 2025 | 75 € | Book Now |
| 23 Sep 2025 | 93 € | Book Now |
| 10 Sep 2025 | 94 € | Book Now |
Cheapest flights for October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 09 Oct 2025 | 43 € | Book Now |
| 06 Oct 2025 | 50 € | Book Now |
| 14 Oct 2025 | 56 € | Book Now |
| 16 Oct 2025 | 57 € | Book Now |
| 22 Oct 2025 | 57 € | 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.
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