We have prepared for you the list of the cheapest deals for Ryanair flight from London (STN) to Porto (OPO) by the month of departure.
Cheapest flights for February 2026
| Departure date | Cheapest price | |
|---|---|---|
| 28 Feb 2026 | $ 135 | Book Now |
| 27 Feb 2026 | $ 223 | Book Now |
Cheapest flights for March 2026
| Departure date | Cheapest price | |
|---|---|---|
| 04 Mar 2026 | $ 31 | Book Now |
| 03 Mar 2026 | $ 38 | Book Now |
| 10 Mar 2026 | $ 38 | Book Now |
| 11 Mar 2026 | $ 38 | Book Now |
| 15 Mar 2026 | $ 38 | Book Now |
Cheapest flights for April 2026
| Departure date | Cheapest price | |
|---|---|---|
| 14 Apr 2026 | $ 20 | Book Now |
| 16 Apr 2026 | $ 23 | Book Now |
| 21 Apr 2026 | $ 31 | Book Now |
| 17 Apr 2026 | $ 31 | Book Now |
| 28 Apr 2026 | $ 32 | Book Now |
Cheapest flights for May 2026
| Departure date | Cheapest price | |
|---|---|---|
| 12 May 2026 | $ 38 | Book Now |
| 27 May 2026 | $ 43 | Book Now |
| 11 May 2026 | $ 46 | Book Now |
| 26 May 2026 | $ 46 | Book Now |
| 31 May 2026 | $ 50 | Book Now |
Cheapest flights for June 2026
| Departure date | Cheapest price | |
|---|---|---|
| 02 Jun 2026 | $ 46 | Book Now |
| 01 Jun 2026 | $ 51 | Book Now |
| 25 Jun 2026 | $ 51 | Book Now |
| 03 Jun 2026 | $ 62 | Book Now |
| 23 Jun 2026 | $ 65 | Book Now |
Cheapest flights for July 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 Jul 2026 | $ 96 | Book Now |
| 07 Jul 2026 | $ 97 | Book Now |
| 14 Jul 2026 | $ 99 | Book Now |
| 04 Jul 2026 | $ 104 | Book Now |
| 09 Jul 2026 | $ 108 | Book Now |
Cheapest flights for August 2026
| Departure date | Cheapest price | |
|---|---|---|
| 25 Aug 2026 | $ 51 | Book Now |
| 27 Aug 2026 | $ 51 | Book Now |
| 29 Aug 2026 | $ 55 | Book Now |
| 30 Aug 2026 | $ 55 | Book Now |
| 31 Aug 2026 | $ 55 | Book Now |
Cheapest flights for September 2026
| Departure date | Cheapest price | |
|---|---|---|
| 28 Sep 2026 | $ 54 | Book Now |
| 01 Sep 2026 | $ 61 | Book Now |
| 27 Sep 2026 | $ 61 | Book Now |
| 22 Sep 2026 | $ 62 | Book Now |
| 29 Sep 2026 | $ 65 | Book Now |
Cheapest flights for October 2026
| Departure date | Cheapest price | |
|---|---|---|
| 06 Oct 2026 | $ 49 | Book Now |
| 13 Oct 2026 | $ 55 | Book Now |
| 31 Oct 2026 | $ 55 | Book Now |
| 28 Oct 2026 | $ 57 | Book Now |
| 07 Oct 2026 | $ 60 | Book Now |
Cheapest flights for November 2026
| Departure date | Cheapest price | |
|---|---|---|
| 04 Nov 2026 | $ 61 | Book Now |
| 07 Nov 2026 | $ 61 | Book Now |
| 08 Nov 2026 | $ 61 | Book Now |
| 09 Nov 2026 | $ 61 | Book Now |
| 10 Nov 2026 | $ 61 | Book Now |
Cheapest flights for December 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 Dec 2026 | $ 61 | Book Now |
| 02 Dec 2026 | $ 61 | Book Now |
| 03 Dec 2026 | $ 61 | Book Now |
| 04 Dec 2026 | $ 61 | Book Now |
| 05 Dec 2026 | $ 61 | Book Now |
Cheapest flights for January 2027
| Departure date | Cheapest price | |
|---|---|---|
| 11 Jan 2027 | $ 61 | Book Now |
| 10 Jan 2027 | $ 61 | Book Now |
| 09 Jan 2027 | $ 61 | Book Now |
| 08 Jan 2027 | $ 61 | Book Now |
| 07 Jan 2027 | $ 61 | 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.
Find us on social media