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 July 2025
| Departure date | Cheapest price | |
|---|---|---|
| 29 Jul 2025 | $ 177 | Book Now |
| 24 Jul 2025 | $ 220 | Book Now |
| 26 Jul 2025 | $ 222 | Book Now |
| 31 Jul 2025 | $ 222 | Book Now |
| 22 Jul 2025 | $ 338 | Book Now |
Cheapest flights for August 2025
| Departure date | Cheapest price | |
|---|---|---|
| 05 Aug 2025 | $ 158 | Book Now |
| 09 Aug 2025 | $ 179 | Book Now |
| 19 Aug 2025 | $ 187 | Book Now |
| 07 Aug 2025 | $ 192 | Book Now |
| 28 Aug 2025 | $ 198 | Book Now |
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 11 Sep 2025 | $ 67 | Book Now |
| 18 Sep 2025 | $ 69 | Book Now |
| 23 Sep 2025 | $ 76 | Book Now |
| 16 Sep 2025 | $ 86 | Book Now |
| 30 Sep 2025 | $ 95 | Book Now |
Cheapest flights for October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 23 Oct 2025 | $ 36 | Book Now |
| 09 Oct 2025 | $ 42 | Book Now |
| 16 Oct 2025 | $ 49 | Book Now |
| 30 Oct 2025 | $ 62 | Book Now |
| 18 Oct 2025 | $ 63 | 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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