We have prepared for you the list of the cheapest deals for Ryanair flight from Cagliari (CAG) to Porto (OPO) by the month of departure.
Cheapest flights for March 2026
| Departure date | Cheapest price | |
|---|---|---|
| 31 Mar 2026 | 88 € | Book Now |
| 30 Mar 2026 | 127 € | Book Now |
Cheapest flights for April 2026
| Departure date | Cheapest price | |
|---|---|---|
| 29 Apr 2026 | 67 € | Book Now |
| 28 Apr 2026 | 83 € | Book Now |
| 01 Apr 2026 | 88 € | Book Now |
| 27 Apr 2026 | 88 € | Book Now |
| 14 Apr 2026 | 95 € | Book Now |
Cheapest flights for May 2026
| Departure date | Cheapest price | |
|---|---|---|
| 13 May 2026 | 51 € | Book Now |
| 15 May 2026 | 51 € | Book Now |
| 20 May 2026 | 51 € | Book Now |
| 25 May 2026 | 51 € | Book Now |
| 27 May 2026 | 51 € | Book Now |
Cheapest flights for June 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 Jun 2026 | 51 € | Book Now |
| 02 Jun 2026 | 51 € | Book Now |
| 03 Jun 2026 | 51 € | Book Now |
| 05 Jun 2026 | 55 € | Book Now |
| 26 Jun 2026 | 99 € | Book Now |
Cheapest flights for July 2026
| Departure date | Cheapest price | |
|---|---|---|
| 07 Jul 2026 | 98 € | Book Now |
| 06 Jul 2026 | 98 € | Book Now |
| 08 Jul 2026 | 99 € | Book Now |
| 03 Jul 2026 | 107 € | Book Now |
| 13 Jul 2026 | 111 € | Book Now |
Cheapest flights for August 2026
| Departure date | Cheapest price | |
|---|---|---|
| 31 Aug 2026 | 134 € | Book Now |
| 28 Aug 2026 | 148 € | Book Now |
| 03 Aug 2026 | 161 € | Book Now |
| 05 Aug 2026 | 161 € | Book Now |
| 18 Aug 2026 | 161 € | Book Now |
Cheapest flights for September 2026
| Departure date | Cheapest price | |
|---|---|---|
| 21 Sep 2026 | 98 € | Book Now |
| 23 Sep 2026 | 98 € | Book Now |
| 22 Sep 2026 | 98 € | Book Now |
| 04 Sep 2026 | 111 € | Book Now |
| 18 Sep 2026 | 111 € | Book Now |
Cheapest flights for October 2026
| Departure date | Cheapest price | |
|---|---|---|
| 23 Oct 2026 | 68 € | Book Now |
| 20 Oct 2026 | 76 € | Book Now |
| 21 Oct 2026 | 76 € | Book Now |
| 19 Oct 2026 | 77 € | Book Now |
| 12 Oct 2026 | 111 € | 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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