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 March 2026
| Departure date | Cheapest price | |
|---|---|---|
| 31 Mar 2026 | $ 51 | Book Now |
Cheapest flights for April 2026
| Departure date | Cheapest price | |
|---|---|---|
| 10 Apr 2026 | $ 30 | Book Now |
| 15 Apr 2026 | $ 30 | Book Now |
| 01 Apr 2026 | $ 39 | Book Now |
| 14 Apr 2026 | $ 49 | Book Now |
| 22 Apr 2026 | $ 59 | Book Now |
Cheapest flights for May 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 May 2026 | $ 97 | Book Now |
| 08 May 2026 | $ 107 | Book Now |
| 13 May 2026 | $ 107 | Book Now |
| 12 May 2026 | $ 112 | Book Now |
| 22 May 2026 | $ 116 | Book Now |
Cheapest flights for June 2026
| Departure date | Cheapest price | |
|---|---|---|
| 17 Jun 2026 | $ 125 | Book Now |
| 12 Jun 2026 | $ 127 | Book Now |
| 24 Jun 2026 | $ 132 | Book Now |
| 26 Jun 2026 | $ 142 | Book Now |
| 16 Jun 2026 | $ 147 | Book Now |
Cheapest flights for July 2026
| Departure date | Cheapest price | |
|---|---|---|
| 22 Jul 2026 | $ 116 | Book Now |
| 15 Jul 2026 | $ 132 | Book Now |
| 08 Jul 2026 | $ 132 | Book Now |
| 10 Jul 2026 | $ 144 | Book Now |
| 29 Jul 2026 | $ 145 | Book Now |
Cheapest flights for August 2026
| Departure date | Cheapest price | |
|---|---|---|
| 07 Aug 2026 | $ 173 | Book Now |
| 05 Aug 2026 | $ 174 | Book Now |
| 12 Aug 2026 | $ 188 | Book Now |
| 14 Aug 2026 | $ 191 | Book Now |
| 26 Aug 2026 | $ 191 | Book Now |
Cheapest flights for September 2026
| Departure date | Cheapest price | |
|---|---|---|
| 25 Sep 2026 | $ 69 | Book Now |
| 23 Sep 2026 | $ 69 | Book Now |
| 22 Sep 2026 | $ 89 | Book Now |
| 29 Sep 2026 | $ 90 | Book Now |
| 30 Sep 2026 | $ 90 | Book Now |
Cheapest flights for October 2026
| Departure date | Cheapest price | |
|---|---|---|
| 09 Oct 2026 | $ 59 | Book Now |
| 02 Oct 2026 | $ 69 | Book Now |
| 06 Oct 2026 | $ 69 | Book Now |
| 07 Oct 2026 | $ 69 | Book Now |
| 23 Oct 2026 | $ 80 | 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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