We have prepared for you the list of the cheapest deals for Ryanair flight from Porto (OPO) to Cagliari (CAG) by the month of departure.
Cheapest flights for August 2025
| Departure date | Cheapest price | |
|---|---|---|
| 30 Aug 2025 | 171 € | Book Now |
| 28 Aug 2025 | 222 € | Book Now |
| 26 Aug 2025 | 245 € | Book Now |
| 19 Aug 2025 | 266 € | Book Now |
| 23 Aug 2025 | 270 € | Book Now |
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 30 Sep 2025 | 45 € | Book Now |
| 18 Sep 2025 | 55 € | Book Now |
| 25 Sep 2025 | 55 € | Book Now |
| 27 Sep 2025 | 71 € | Book Now |
| 20 Sep 2025 | 74 € | Book Now |
Cheapest flights for October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 02 Oct 2025 | 30 € | Book Now |
| 09 Oct 2025 | 30 € | Book Now |
| 16 Oct 2025 | 31 € | Book Now |
| 23 Oct 2025 | 50 € | Book Now |
| 07 Oct 2025 | 55 € | 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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