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	76 €	Book Now
30 Mar 2026	121 €	Book Now

Cheapest flights for April 2026

Departure date	Cheapest price
01 Apr 2026	58 €	Book Now
28 Apr 2026	82 €	Book Now
29 Apr 2026	82 €	Book Now
27 Apr 2026	87 €	Book Now
14 Apr 2026	93 €	Book Now

Cheapest flights for May 2026

Departure date	Cheapest price
12 May 2026	50 €	Book Now
15 May 2026	50 €	Book Now
20 May 2026	50 €	Book Now
22 May 2026	50 €	Book Now
08 May 2026	54 €	Book Now

Cheapest flights for June 2026

Departure date	Cheapest price
01 Jun 2026	50 €	Book Now
03 Jun 2026	51 €	Book Now
05 Jun 2026	63 €	Book Now
02 Jun 2026	73 €	Book Now
26 Jun 2026	106 €	Book Now

Cheapest flights for July 2026

Departure date	Cheapest price
08 Jul 2026	98 €	Book Now
06 Jul 2026	98 €	Book Now
03 Jul 2026	104 €	Book Now
07 Jul 2026	106 €	Book Now
01 Jul 2026	111 €	Book Now

Cheapest flights for August 2026

Departure date	Cheapest price
31 Aug 2026	134 €	Book Now
28 Aug 2026	147 €	Book Now
03 Aug 2026	161 €	Book Now
04 Aug 2026	161 €	Book Now
17 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
18 Sep 2026	111 €	Book Now
04 Sep 2026	118 €	Book Now

Cheapest flights for October 2026

Departure date	Cheapest price
23 Oct 2026	67 €	Book Now
19 Oct 2026	76 €	Book Now
20 Oct 2026	76 €	Book Now
21 Oct 2026	76 €	Book Now
13 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 50€