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 October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 31 Oct 2025 | $ 29 | Book Now |
| 29 Oct 2025 | $ 282 | Book Now |
| 26 Oct 2025 | $ 324 | Book Now |
| 25 Oct 2025 | $ 324 | Book Now |
| 28 Oct 2025 | $ 350 | Book Now |
Cheapest flights for November 2025
| Departure date | Cheapest price | |
|---|---|---|
| 06 Nov 2025 | $ 29 | Book Now |
| 04 Nov 2025 | $ 29 | Book Now |
| 02 Nov 2025 | $ 29 | Book Now |
| 05 Nov 2025 | $ 32 | Book Now |
| 07 Nov 2025 | $ 33 | Book Now |
Cheapest flights for December 2025
| Departure date | Cheapest price | |
|---|---|---|
| 07 Dec 2025 | $ 41 | Book Now |
| 04 Dec 2025 | $ 41 | Book Now |
| 12 Dec 2025 | $ 51 | Book Now |
| 03 Dec 2025 | $ 51 | Book Now |
| 06 Dec 2025 | $ 60 | Book Now |
Cheapest flights for January 2026
| Departure date | Cheapest price | |
|---|---|---|
| 23 Jan 2026 | $ 33 | Book Now |
| 22 Jan 2026 | $ 33 | Book Now |
| 30 Jan 2026 | $ 33 | Book Now |
| 31 Jan 2026 | $ 33 | Book Now |
| 01 Jan 2026 | $ 36 | Book Now |
Cheapest flights for February 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 Feb 2026 | $ 43 | Book Now |
| 04 Feb 2026 | $ 43 | Book Now |
| 07 Feb 2026 | $ 43 | Book Now |
| 09 Feb 2026 | $ 43 | Book Now |
| 20 Feb 2026 | $ 43 | Book Now |
Cheapest flights for March 2026
| Departure date | Cheapest price | |
|---|---|---|
| 17 Mar 2026 | $ 43 | Book Now |
| 25 Mar 2026 | $ 43 | Book Now |
| 03 Mar 2026 | $ 44 | Book Now |
| 05 Mar 2026 | $ 44 | Book Now |
| 12 Mar 2026 | $ 44 | Book Now |
Cheapest flights for April 2026
| Departure date | Cheapest price | |
|---|---|---|
| 12 Apr 2026 | $ 51 | Book Now |
| 01 Apr 2026 | $ 51 | Book Now |
| 09 Apr 2026 | $ 51 | Book Now |
| 13 Apr 2026 | $ 51 | Book Now |
| 16 Apr 2026 | $ 51 | Book Now |
Cheapest flights for May 2026
| Departure date | Cheapest price | |
|---|---|---|
| 05 May 2026 | $ 52 | Book Now |
| 28 May 2026 | $ 52 | Book Now |
| 06 May 2026 | $ 61 | Book Now |
| 20 May 2026 | $ 61 | Book Now |
| 27 May 2026 | $ 61 | Book Now |
Cheapest flights for June 2026
| Departure date | Cheapest price | |
|---|---|---|
| 02 Jun 2026 | $ 61 | Book Now |
| 03 Jun 2026 | $ 71 | Book Now |
| 09 Jun 2026 | $ 71 | Book Now |
| 01 Jun 2026 | $ 81 | Book Now |
| 12 Jun 2026 | $ 81 | Book Now |
Cheapest flights for July 2026
| Departure date | Cheapest price | |
|---|---|---|
| 03 Jul 2026 | $ 104 | Book Now |
| 02 Jul 2026 | $ 105 | Book Now |
| 01 Jul 2026 | $ 105 | Book Now |
| 05 Jul 2026 | $ 119 | Book Now |
| 04 Jul 2026 | $ 119 | Book Now |
Cheapest flights for August 2026
| Departure date | Cheapest price | |
|---|---|---|
| 31 Aug 2026 | $ 52 | Book Now |
| 27 Aug 2026 | $ 52 | Book Now |
| 26 Aug 2026 | $ 52 | Book Now |
| 25 Aug 2026 | $ 52 | Book Now |
| 23 Aug 2026 | $ 60 | Book Now |
Cheapest flights for September 2026
| Departure date | Cheapest price | |
|---|---|---|
| 23 Sep 2026 | $ 51 | Book Now |
| 16 Sep 2026 | $ 51 | Book Now |
| 30 Sep 2026 | $ 52 | Book Now |
| 04 Sep 2026 | $ 60 | Book Now |
| 03 Sep 2026 | $ 60 | 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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