Cheapest Ryanair flights Porto to Cagliari from $35

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
15 Jul 2025 $ 89 Book Now
19 Jul 2025 $ 148 Book Now
29 Jul 2025 $ 154 Book Now
31 Jul 2025 $ 160 Book Now
17 Jul 2025 $ 194 Book Now

Cheapest flights for August 2025

Departure date Cheapest price
07 Aug 2025 $ 115 Book Now
05 Aug 2025 $ 144 Book Now
14 Aug 2025 $ 170 Book Now
23 Aug 2025 $ 173 Book Now
28 Aug 2025 $ 196 Book Now

Cheapest flights for September 2025

Departure date Cheapest price
23 Sep 2025 $ 59 Book Now
25 Sep 2025 $ 99 Book Now
30 Sep 2025 $ 103 Book Now
11 Sep 2025 $ 110 Book Now
09 Sep 2025 $ 113 Book Now

Cheapest flights for October 2025

Departure date Cheapest price
09 Oct 2025 $ 35 Book Now
23 Oct 2025 $ 35 Book Now
30 Oct 2025 $ 53 Book Now
18 Oct 2025 $ 54 Book Now
16 Oct 2025 $ 62 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.

Ryanair deals from Porto to all destinations

Ryanair deals from Cagliari to all destinations

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