We have prepared for you the list of the cheapest deals for Ryanair flight from Belfast (BFS) to Porto (OPO) by the month of departure.
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 24 Sep 2025 | 40 € | Book Now |
| 20 Sep 2025 | 47 € | Book Now |
| 27 Sep 2025 | 47 € | Book Now |
| 13 Sep 2025 | 55 € | Book Now |
| 10 Sep 2025 | 60 € | Book Now |
Cheapest flights for October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 04 Oct 2025 | 29 € | Book Now |
| 18 Oct 2025 | 29 € | Book Now |
| 22 Oct 2025 | 29 € | Book Now |
| 25 Oct 2025 | 31 € | Book Now |
| 15 Oct 2025 | 35 € | 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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