We have prepared for you the list of the cheapest deals for Ryanair flight from Belfast (BFS) to Porto (OPO) by the month of departure.

Cheapest flights for March 2026

Departure date	Cheapest price
30 Mar 2026	53 €	Book Now

Cheapest flights for April 2026

Departure date	Cheapest price
20 Apr 2026	25 €	Book Now
27 Apr 2026	35 €	Book Now
13 Apr 2026	36 €	Book Now
17 Apr 2026	37 €	Book Now
24 Apr 2026	41 €	Book Now

Cheapest flights for May 2026

Departure date	Cheapest price
08 May 2026	35 €	Book Now
11 May 2026	35 €	Book Now
15 May 2026	35 €	Book Now
18 May 2026	50 €	Book Now
22 May 2026	59 €	Book Now

Cheapest flights for June 2026

Departure date	Cheapest price
01 Jun 2026	37 €	Book Now
15 Jun 2026	51 €	Book Now
22 Jun 2026	51 €	Book Now
05 Jun 2026	52 €	Book Now
19 Jun 2026	68 €	Book Now

Cheapest flights for July 2026

Departure date	Cheapest price
31 Jul 2026	90 €	Book Now
27 Jul 2026	115 €	Book Now
03 Jul 2026	123 €	Book Now
24 Jul 2026	123 €	Book Now
06 Jul 2026	146 €	Book Now

Cheapest flights for August 2026

Departure date	Cheapest price
24 Aug 2026	88 €	Book Now
10 Aug 2026	90 €	Book Now
14 Aug 2026	90 €	Book Now
21 Aug 2026	90 €	Book Now
17 Aug 2026	98 €	Book Now

Cheapest flights for September 2026

Departure date	Cheapest price
21 Sep 2026	90 €	Book Now
04 Sep 2026	103 €	Book Now
28 Sep 2026	103 €	Book Now
14 Sep 2026	103 €	Book Now
18 Sep 2026	123 €	Book Now

Cheapest flights for October 2026

Departure date	Cheapest price
19 Oct 2026	78 €	Book Now
12 Oct 2026	90 €	Book Now
09 Oct 2026	113 €	Book Now
16 Oct 2026	113 €	Book Now
23 Oct 2026	113 €	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 Belfast to all destinations

Ryanair deals from Porto to all destinations

Cheapest Ryanair flights Belfast to Porto from 25€