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 June 2026
| Departure date | Cheapest price | |
|---|---|---|
| 14 Jun 2026 | 124 € | Book Now |
| 20 Jun 2026 | 130 € | Book Now |
| 16 Jun 2026 | 145 € | Book Now |
| 19 Jun 2026 | 187 € | Book Now |
| 18 Jun 2026 | 189 € | Book Now |
Cheapest flights for July 2026
| Departure date | Cheapest price | |
|---|---|---|
| 10 Jul 2026 | 148 € | Book Now |
| 06 Jul 2026 | 160 € | Book Now |
| 02 Jul 2026 | 173 € | Book Now |
| 07 Jul 2026 | 175 € | Book Now |
| 12 Jul 2026 | 189 € | Book Now |
Cheapest flights for August 2026
| Departure date | Cheapest price | |
|---|---|---|
| 31 Aug 2026 | 46 € | Book Now |
| 24 Aug 2026 | 57 € | Book Now |
| 23 Aug 2026 | 62 € | Book Now |
| 29 Aug 2026 | 66 € | Book Now |
| 26 Aug 2026 | 67 € | Book Now |
Cheapest flights for September 2026
| Departure date | Cheapest price | |
|---|---|---|
| 19 Sep 2026 | 31 € | Book Now |
| 05 Sep 2026 | 31 € | Book Now |
| 14 Sep 2026 | 31 € | Book Now |
| 26 Sep 2026 | 31 € | Book Now |
| 28 Sep 2026 | 31 € | Book Now |
Cheapest flights for October 2026
| Departure date | Cheapest price | |
|---|---|---|
| 09 Oct 2026 | 31 € | Book Now |
| 28 Oct 2026 | 31 € | Book Now |
| 30 Oct 2026 | 31 € | Book Now |
| 31 Oct 2026 | 31 € | Book Now |
| 10 Oct 2026 | 35 € | Book Now |
Cheapest flights for November 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 Nov 2026 | 31 € | Book Now |
| 08 Nov 2026 | 31 € | Book Now |
| 07 Nov 2026 | 31 € | Book Now |
| 05 Nov 2026 | 31 € | Book Now |
| 04 Nov 2026 | 31 € | Book Now |
Cheapest flights for December 2026
| Departure date | Cheapest price | |
|---|---|---|
| 06 Dec 2026 | 31 € | Book Now |
| 05 Dec 2026 | 35 € | Book Now |
| 01 Dec 2026 | 37 € | Book Now |
| 09 Dec 2026 | 40 € | Book Now |
| 03 Dec 2026 | 40 € | Book Now |
Cheapest flights for January 2027
| Departure date | Cheapest price | |
|---|---|---|
| 05 Jan 2027 | 44 € | Book Now |
| 10 Jan 2027 | 44 € | Book Now |
| 12 Jan 2027 | 44 € | Book Now |
| 13 Jan 2027 | 44 € | Book Now |
| 14 Jan 2027 | 44 € | Book Now |
Cheapest flights for February 2027
| Departure date | Cheapest price | |
|---|---|---|
| 02 Feb 2027 | 44 € | Book Now |
| 03 Feb 2027 | 44 € | Book Now |
| 04 Feb 2027 | 44 € | Book Now |
| 05 Feb 2027 | 44 € | Book Now |
| 06 Feb 2027 | 44 € | Book Now |
Cheapest flights for March 2027
| Departure date | Cheapest price | |
|---|---|---|
| 03 Mar 2027 | 44 € | Book Now |
| 01 Mar 2027 | 44 € | Book Now |
| 02 Mar 2027 | 44 € | Book Now |
| 04 Mar 2027 | 44 € | Book Now |
| 05 Mar 2027 | 44 € | Book Now |
Cheapest flights for April 2027
| Departure date | Cheapest price | |
|---|---|---|
| 01 Apr 2027 | 52 € | Book Now |
| 07 Apr 2027 | 52 € | Book Now |
| 22 Apr 2027 | 52 € | Book Now |
| 23 Apr 2027 | 52 € | Book Now |
| 27 Apr 2027 | 52 € | Book Now |
Cheapest flights for May 2027
| Departure date | Cheapest price | |
|---|---|---|
| 13 May 2027 | 52 € | Book Now |
| 04 May 2027 | 52 € | Book Now |
| 06 May 2027 | 52 € | Book Now |
| 07 May 2027 | 52 € | Book Now |
| 12 May 2027 | 52 € | 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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