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	32 €	Book Now

Cheapest flights for April 2026

Departure date	Cheapest price
01 Apr 2026	35 €	Book Now
29 Apr 2026	47 €	Book Now
08 Apr 2026	62 €	Book Now
28 Apr 2026	80 €	Book Now
10 Apr 2026	84 €	Book Now

Cheapest flights for May 2026

Departure date	Cheapest price
20 May 2026	44 €	Book Now
13 May 2026	56 €	Book Now
06 May 2026	58 €	Book Now
15 May 2026	62 €	Book Now
22 May 2026	63 €	Book Now

Cheapest flights for June 2026

Departure date	Cheapest price
02 Jun 2026	67 €	Book Now
05 Jun 2026	96 €	Book Now
03 Jun 2026	97 €	Book Now
26 Jun 2026	111 €	Book Now
16 Jun 2026	129 €	Book Now

Cheapest flights for July 2026

Departure date	Cheapest price
01 Jul 2026	111 €	Book Now
17 Jul 2026	120 €	Book Now
03 Jul 2026	121 €	Book Now
08 Jul 2026	121 €	Book Now
15 Jul 2026	123 €	Book Now

Cheapest flights for August 2026

Departure date	Cheapest price
25 Aug 2026	143 €	Book Now
18 Aug 2026	164 €	Book Now
19 Aug 2026	172 €	Book Now
26 Aug 2026	175 €	Book Now
07 Aug 2026	176 €	Book Now

Cheapest flights for September 2026

Departure date	Cheapest price
23 Sep 2026	98 €	Book Now
18 Sep 2026	99 €	Book Now
22 Sep 2026	109 €	Book Now
29 Sep 2026	111 €	Book Now
30 Sep 2026	111 €	Book Now

Cheapest flights for October 2026

Departure date	Cheapest price
23 Oct 2026	67 €	Book Now
20 Oct 2026	76 €	Book Now
21 Oct 2026	76 €	Book Now
13 Oct 2026	111 €	Book Now
14 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.

Ryanair deals from Cagliari to all destinations

Ryanair deals from Porto to all destinations

Cheapest Ryanair flights Cagliari to Porto from 32€