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 October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 23 Oct 2025 | $ 33 | Book Now |
| 28 Oct 2025 | $ 56 | Book Now |
| 30 Oct 2025 | $ 98 | Book Now |
| 25 Oct 2025 | $ 101 | Book Now |
Cheapest flights for March 2026
| Departure date | Cheapest price | |
|---|---|---|
| 30 Mar 2026 | $ 101 | Book Now |
| 31 Mar 2026 | $ 103 | Book Now |
Cheapest flights for April 2026
| Departure date | Cheapest price | |
|---|---|---|
| 03 Apr 2026 | $ 60 | Book Now |
| 17 Apr 2026 | $ 60 | Book Now |
| 24 Apr 2026 | $ 69 | Book Now |
| 20 Apr 2026 | $ 78 | Book Now |
| 21 Apr 2026 | $ 79 | Book Now |
Cheapest flights for May 2026
| Departure date | Cheapest price | |
|---|---|---|
| 08 May 2026 | $ 64 | Book Now |
| 15 May 2026 | $ 68 | Book Now |
| 29 May 2026 | $ 78 | Book Now |
| 12 May 2026 | $ 89 | Book Now |
| 13 May 2026 | $ 89 | Book Now |
Cheapest flights for June 2026
| Departure date | Cheapest price | |
|---|---|---|
| 12 Jun 2026 | $ 79 | Book Now |
| 16 Jun 2026 | $ 101 | Book Now |
| 17 Jun 2026 | $ 101 | Book Now |
| 15 Jun 2026 | $ 103 | Book Now |
| 05 Jun 2026 | $ 111 | Book Now |
Cheapest flights for July 2026
| Departure date | Cheapest price | |
|---|---|---|
| 10 Jul 2026 | $ 101 | Book Now |
| 17 Jul 2026 | $ 103 | Book Now |
| 03 Jul 2026 | $ 111 | Book Now |
| 06 Jul 2026 | $ 131 | Book Now |
| 01 Jul 2026 | $ 131 | Book Now |
Cheapest flights for August 2026
| Departure date | Cheapest price | |
|---|---|---|
| 28 Aug 2026 | $ 142 | Book Now |
| 24 Aug 2026 | $ 156 | Book Now |
| 31 Aug 2026 | $ 156 | Book Now |
| 07 Aug 2026 | $ 156 | Book Now |
| 14 Aug 2026 | $ 157 | Book Now |
Cheapest flights for September 2026
| Departure date | Cheapest price | |
|---|---|---|
| 25 Sep 2026 | $ 68 | Book Now |
| 21 Sep 2026 | $ 78 | Book Now |
| 22 Sep 2026 | $ 78 | Book Now |
| 23 Sep 2026 | $ 78 | Book Now |
| 18 Sep 2026 | $ 89 | 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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