We have prepared for you the list of the cheapest deals for Ryanair flight from London (STN) to Helsinki (HEL) by the month of departure.
Cheapest flights for December 2025
| Departure date | Cheapest price | |
|---|---|---|
| 30 Dec 2025 | 46 € | Book Now |
| 31 Dec 2025 | 54 € | Book Now |
| 29 Dec 2025 | 57 € | Book Now |
| 28 Dec 2025 | 102 € | Book Now |
| 21 Dec 2025 | 207 € | Book Now |
Cheapest flights for January 2026
| Departure date | Cheapest price | |
|---|---|---|
| 19 Jan 2026 | 25 € | Book Now |
| 17 Jan 2026 | 25 € | Book Now |
| 24 Jan 2026 | 25 € | Book Now |
| 31 Jan 2026 | 25 € | Book Now |
| 26 Jan 2026 | 26 € | Book Now |
Cheapest flights for February 2026
| Departure date | Cheapest price | |
|---|---|---|
| 03 Feb 2026 | 25 € | Book Now |
| 01 Feb 2026 | 25 € | Book Now |
| 02 Feb 2026 | 25 € | Book Now |
| 06 Feb 2026 | 25 € | Book Now |
| 08 Feb 2026 | 25 € | Book Now |
Cheapest flights for March 2026
| Departure date | Cheapest price | |
|---|---|---|
| 12 Mar 2026 | 31 € | Book Now |
| 01 Mar 2026 | 31 € | Book Now |
| 06 Mar 2026 | 31 € | Book Now |
| 10 Mar 2026 | 31 € | Book Now |
| 13 Mar 2026 | 31 € | Book Now |
Cheapest flights for April 2026
| Departure date | Cheapest price | |
|---|---|---|
| 29 Apr 2026 | 43 € | Book Now |
| 10 Apr 2026 | 43 € | Book Now |
| 13 Apr 2026 | 43 € | Book Now |
| 27 Apr 2026 | 43 € | Book Now |
| 09 Apr 2026 | 48 € | Book Now |
Cheapest flights for May 2026
| Departure date | Cheapest price | |
|---|---|---|
| 06 May 2026 | 43 € | Book Now |
| 27 May 2026 | 43 € | Book Now |
| 28 May 2026 | 43 € | Book Now |
| 29 May 2026 | 43 € | Book Now |
| 30 May 2026 | 43 € | Book Now |
Cheapest flights for June 2026
| Departure date | Cheapest price | |
|---|---|---|
| 02 Jun 2026 | 51 € | Book Now |
| 03 Jun 2026 | 60 € | Book Now |
| 09 Jun 2026 | 60 € | Book Now |
| 01 Jun 2026 | 69 € | Book Now |
| 08 Jun 2026 | 69 € | Book Now |
Cheapest flights for July 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 Jul 2026 | 89 € | Book Now |
| 02 Jul 2026 | 89 € | Book Now |
| 05 Jul 2026 | 101 € | Book Now |
| 04 Jul 2026 | 101 € | Book Now |
| 06 Jul 2026 | 101 € | Book Now |
Cheapest flights for August 2026
| Departure date | Cheapest price | |
|---|---|---|
| 25 Aug 2026 | 43 € | Book Now |
| 31 Aug 2026 | 43 € | Book Now |
| 27 Aug 2026 | 48 € | Book Now |
| 26 Aug 2026 | 48 € | Book Now |
| 28 Aug 2026 | 51 € | Book Now |
Cheapest flights for September 2026
| Departure date | Cheapest price | |
|---|---|---|
| 30 Sep 2026 | 43 € | Book Now |
| 23 Sep 2026 | 43 € | Book Now |
| 16 Sep 2026 | 43 € | Book Now |
| 05 Sep 2026 | 51 € | Book Now |
| 01 Sep 2026 | 51 € | Book Now |
Cheapest flights for October 2026
| Departure date | Cheapest price | |
|---|---|---|
| 27 Oct 2026 | 43 € | Book Now |
| 28 Oct 2026 | 43 € | Book Now |
| 29 Oct 2026 | 43 € | Book Now |
| 30 Oct 2026 | 43 € | Book Now |
| 31 Oct 2026 | 43 € | Book Now |
Cheapest flights for November 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 Nov 2026 | 43 € | Book Now |
| 02 Nov 2026 | 43 € | Book Now |
| 03 Nov 2026 | 43 € | Book Now |
| 06 Nov 2026 | 43 € | Book Now |
| 07 Nov 2026 | 43 € | 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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