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 | $ 89 | Book Now |
Cheapest flights for April 2026
| Departure date | Cheapest price | |
|---|---|---|
| 10 Apr 2026 | $ 49 | Book Now |
| 24 Apr 2026 | $ 49 | Book Now |
| 22 Apr 2026 | $ 49 | Book Now |
| 17 Apr 2026 | $ 49 | Book Now |
| 21 Apr 2026 | $ 65 | Book Now |
Cheapest flights for May 2026
| Departure date | Cheapest price | |
|---|---|---|
| 08 May 2026 | $ 78 | Book Now |
| 13 May 2026 | $ 89 | Book Now |
| 22 May 2026 | $ 99 | Book Now |
| 06 May 2026 | $ 101 | Book Now |
| 27 May 2026 | $ 102 | Book Now |
Cheapest flights for June 2026
| Departure date | Cheapest price | |
|---|---|---|
| 17 Jun 2026 | $ 102 | Book Now |
| 16 Jun 2026 | $ 114 | Book Now |
| 12 Jun 2026 | $ 115 | Book Now |
| 05 Jun 2026 | $ 118 | Book Now |
| 02 Jun 2026 | $ 128 | Book Now |
Cheapest flights for July 2026
| Departure date | Cheapest price | |
|---|---|---|
| 17 Jul 2026 | $ 89 | Book Now |
| 10 Jul 2026 | $ 112 | Book Now |
| 08 Jul 2026 | $ 115 | Book Now |
| 15 Jul 2026 | $ 115 | Book Now |
| 22 Jul 2026 | $ 131 | Book Now |
Cheapest flights for August 2026
| Departure date | Cheapest price | |
|---|---|---|
| 07 Aug 2026 | $ 144 | Book Now |
| 14 Aug 2026 | $ 144 | Book Now |
| 12 Aug 2026 | $ 158 | Book Now |
| 26 Aug 2026 | $ 170 | Book Now |
| 25 Aug 2026 | $ 178 | Book Now |
Cheapest flights for September 2026
| Departure date | Cheapest price | |
|---|---|---|
| 25 Sep 2026 | $ 68 | Book Now |
| 22 Sep 2026 | $ 79 | Book Now |
| 23 Sep 2026 | $ 79 | Book Now |
| 18 Sep 2026 | $ 89 | Book Now |
| 29 Sep 2026 | $ 89 | Book Now |
Cheapest flights for October 2026
| Departure date | Cheapest price | |
|---|---|---|
| 09 Oct 2026 | $ 59 | Book Now |
| 02 Oct 2026 | $ 68 | Book Now |
| 06 Oct 2026 | $ 68 | Book Now |
| 07 Oct 2026 | $ 68 | Book Now |
| 16 Oct 2026 | $ 79 | 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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