We have prepared for you the list of the cheapest deals for Ryanair flight from Helsinki (HEL) to London (STN) by the month of departure.
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 24 Sep 2025 | $ 44 | Book Now |
| 27 Sep 2025 | $ 47 | Book Now |
| 29 Sep 2025 | $ 47 | Book Now |
| 28 Sep 2025 | $ 103 | Book Now |
| 30 Sep 2025 | $ 111 | Book Now |
Cheapest flights for October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 06 Oct 2025 | $ 30 | Book Now |
| 20 Oct 2025 | $ 30 | Book Now |
| 21 Oct 2025 | $ 30 | Book Now |
| 22 Oct 2025 | $ 30 | Book Now |
| 29 Oct 2025 | $ 30 | Book Now |
Cheapest flights for November 2025
| Departure date | Cheapest price | |
|---|---|---|
| 08 Nov 2025 | $ 30 | Book Now |
| 15 Nov 2025 | $ 30 | Book Now |
| 28 Nov 2025 | $ 30 | Book Now |
| 29 Nov 2025 | $ 30 | Book Now |
| 13 Nov 2025 | $ 32 | Book Now |
Cheapest flights for December 2025
| Departure date | Cheapest price | |
|---|---|---|
| 06 Dec 2025 | $ 30 | Book Now |
| 11 Dec 2025 | $ 30 | Book Now |
| 05 Dec 2025 | $ 31 | Book Now |
| 12 Dec 2025 | $ 32 | Book Now |
| 03 Dec 2025 | $ 34 | Book Now |
Cheapest flights for January 2026
| Departure date | Cheapest price | |
|---|---|---|
| 31 Jan 2026 | $ 43 | Book Now |
| 30 Jan 2026 | $ 43 | Book Now |
| 11 Jan 2026 | $ 46 | Book Now |
| 12 Jan 2026 | $ 46 | Book Now |
| 16 Jan 2026 | $ 46 | Book Now |
Cheapest flights for February 2026
| Departure date | Cheapest price | |
|---|---|---|
| 04 Feb 2026 | $ 43 | Book Now |
| 05 Feb 2026 | $ 43 | Book Now |
| 06 Feb 2026 | $ 43 | Book Now |
| 07 Feb 2026 | $ 43 | Book Now |
| 08 Feb 2026 | $ 43 | Book Now |
Cheapest flights for March 2026
| Departure date | Cheapest price | |
|---|---|---|
| 11 Mar 2026 | $ 51 | Book Now |
| 24 Mar 2026 | $ 51 | Book Now |
| 22 Mar 2026 | $ 51 | Book Now |
| 01 Mar 2026 | $ 52 | Book Now |
| 04 Mar 2026 | $ 52 | Book Now |
Cheapest flights for April 2026
| Departure date | Cheapest price | |
|---|---|---|
| 13 Apr 2026 | $ 59 | Book Now |
| 25 Apr 2026 | $ 59 | Book Now |
| 27 Apr 2026 | $ 65 | Book Now |
| 22 Apr 2026 | $ 70 | Book Now |
| 08 Apr 2026 | $ 77 | Book Now |
Cheapest flights for May 2026
| Departure date | Cheapest price | |
|---|---|---|
| 19 May 2026 | $ 43 | Book Now |
| 20 May 2026 | $ 43 | Book Now |
| 06 May 2026 | $ 44 | Book Now |
| 12 May 2026 | $ 44 | Book Now |
| 13 May 2026 | $ 47 | Book Now |
Cheapest flights for June 2026
| Departure date | Cheapest price | |
|---|---|---|
| 17 Jun 2026 | $ 51 | Book Now |
| 03 Jun 2026 | $ 52 | Book Now |
| 10 Jun 2026 | $ 52 | Book Now |
| 20 Jun 2026 | $ 52 | Book Now |
| 13 Jun 2026 | $ 59 | Book Now |
Cheapest flights for July 2026
| Departure date | Cheapest price | |
|---|---|---|
| 22 Jul 2026 | $ 43 | Book Now |
| 15 Jul 2026 | $ 43 | Book Now |
| 29 Jul 2026 | $ 44 | Book Now |
| 23 Jul 2026 | $ 51 | Book Now |
| 19 Jul 2026 | $ 59 | Book Now |
Cheapest flights for August 2026
| Departure date | Cheapest price | |
|---|---|---|
| 05 Aug 2026 | $ 70 | Book Now |
| 12 Aug 2026 | $ 81 | Book Now |
| 01 Aug 2026 | $ 82 | Book Now |
| 26 Aug 2026 | $ 91 | Book Now |
| 08 Aug 2026 | $ 92 | 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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