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 | $ 34 | Book Now |
| 22 Feb 2026 | $ 36 | Book Now |
| 25 Feb 2026 | $ 36 | Book Now |
| 10 Feb 2026 | $ 45 | Book Now |
Cheapest flights for March 2026
| Departure date | Cheapest price | |
|---|---|---|
| 11 Mar 2026 | $ 33 | Book Now |
| 08 Mar 2026 | $ 34 | Book Now |
| 04 Mar 2026 | $ 36 | Book Now |
| 09 Mar 2026 | $ 38 | Book Now |
| 02 Mar 2026 | $ 41 | Book Now |
Cheapest flights for April 2026
| Departure date | Cheapest price | |
|---|---|---|
| 17 Apr 2026 | $ 41 | Book Now |
| 14 Apr 2026 | $ 42 | Book Now |
| 21 Apr 2026 | $ 45 | Book Now |
| 20 Apr 2026 | $ 48 | Book Now |
| 15 Apr 2026 | $ 53 | Book Now |
Cheapest flights for May 2026
| Departure date | Cheapest price | |
|---|---|---|
| 12 May 2026 | $ 51 | Book Now |
| 11 May 2026 | $ 68 | Book Now |
| 06 May 2026 | $ 73 | Book Now |
| 18 May 2026 | $ 77 | Book Now |
| 19 May 2026 | $ 79 | Book Now |
Cheapest flights for June 2026
| Departure date | Cheapest price | |
|---|---|---|
| 02 Jun 2026 | $ 60 | Book Now |
| 01 Jun 2026 | $ 78 | Book Now |
| 24 Jun 2026 | $ 82 | Book Now |
| 03 Jun 2026 | $ 92 | Book Now |
| 08 Jun 2026 | $ 92 | Book Now |
Cheapest flights for July 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 Jul 2026 | $ 104 | Book Now |
| 03 Jul 2026 | $ 107 | Book Now |
| 02 Jul 2026 | $ 111 | Book Now |
| 07 Jul 2026 | $ 111 | Book Now |
| 06 Jul 2026 | $ 118 | Book Now |
Cheapest flights for August 2026
| Departure date | Cheapest price | |
|---|---|---|
| 31 Aug 2026 | $ 49 | Book Now |
| 30 Aug 2026 | $ 52 | Book Now |
| 27 Aug 2026 | $ 53 | Book Now |
| 25 Aug 2026 | $ 56 | Book Now |
| 29 Aug 2026 | $ 56 | Book Now |
Cheapest flights for September 2026
| Departure date | Cheapest price | |
|---|---|---|
| 20 Sep 2026 | $ 49 | Book Now |
| 01 Sep 2026 | $ 52 | Book Now |
| 28 Sep 2026 | $ 55 | Book Now |
| 22 Sep 2026 | $ 62 | Book Now |
| 27 Sep 2026 | $ 62 | Book Now |
Cheapest flights for October 2026
| Departure date | Cheapest price | |
|---|---|---|
| 06 Oct 2026 | $ 52 | Book Now |
| 13 Oct 2026 | $ 56 | Book Now |
| 20 Oct 2026 | $ 56 | Book Now |
| 31 Oct 2026 | $ 56 | Book Now |
| 28 Oct 2026 | $ 59 | Book Now |
Cheapest flights for November 2026
| Departure date | Cheapest price | |
|---|---|---|
| 04 Nov 2026 | $ 62 | Book Now |
| 06 Nov 2026 | $ 62 | Book Now |
| 07 Nov 2026 | $ 62 | Book Now |
| 08 Nov 2026 | $ 62 | Book Now |
| 09 Nov 2026 | $ 62 | Book Now |
Cheapest flights for December 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 Dec 2026 | $ 62 | Book Now |
| 02 Dec 2026 | $ 62 | Book Now |
| 03 Dec 2026 | $ 62 | Book Now |
| 05 Dec 2026 | $ 62 | Book Now |
| 06 Dec 2026 | $ 62 | Book Now |
Cheapest flights for January 2027
| Departure date | Cheapest price | |
|---|---|---|
| 11 Jan 2027 | $ 62 | Book Now |
| 10 Jan 2027 | $ 62 | Book Now |
| 09 Jan 2027 | $ 62 | Book Now |
| 08 Jan 2027 | $ 62 | Book Now |
| 07 Jan 2027 | $ 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.
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