Flight price alerts: London → Helsinki
Sample round trips on this route start around EUR 69; October 2026 is often the cheapest month in our next-3-month window. FlexTrip Alerts is a free email service — set flexible travel dates and a max price, and we notify you when a round trip fits. We check fares about four times per day; we do not sell tickets.
Set a free tracker with flexible dates and your max price. We email you only when a round trip fits.
Sample fares from EUR 69. Cheapest month in our next-3-month sample: October 2026.
Set an alert and we email you when a round trip drops under your limit.
Set a price alertRound trips on this route
Cheapest-seen sample fares (next 3 months) — confirm the final price on the booking site when you click through.
Last updated .
- See deal
- Round trip · 2 nights
- Wed 28 Oct · 16:20
- Return Fri 30 Oct · 23:40
EUR 69
- See deal
- Round trip · 3 nights
- Thu 24 Sept · 10:25
- Return Sun 27 Sept · 23:25
EUR 151
- See deal
- Round trip · 8 nights
- Wed 14 Oct · 11:15
- Return Thu 22 Oct · 15:50
EUR 176
- See deal
- Round trip · 2 nights
- Mon 31 Aug · 06:45
- Return Wed 02 Sept · 07:15
EUR 179
- See deal
- Round trip · 3 nights
- Sat 22 Aug · 17:30
- Return Tue 25 Aug · 06:10
EUR 198
- See deal
- Round trip · 1 night
- Mon 31 Aug · 06:45
- Return Tue 01 Sept · 13:55
EUR 203
| Depart | Return | Stay | Price | Book |
|---|---|---|---|---|
| Wed 28 Oct · 16:20 | Fri 30 Oct · 23:40 | 2 nights | EUR 69 | See deal |
| Thu 24 Sept · 10:25 | Sun 27 Sept · 23:25 | 3 nights | EUR 151 | See deal |
| Wed 14 Oct · 11:15 | Thu 22 Oct · 15:50 | 8 nights | EUR 176 | See deal |
| Mon 31 Aug · 06:45 | Wed 02 Sept · 07:15 | 2 nights | EUR 179 | See deal |
| Sat 22 Aug · 17:30 | Tue 25 Aug · 06:10 | 3 nights | EUR 198 | See deal |
| Mon 31 Aug · 06:45 | Tue 01 Sept · 13:55 | 1 night | EUR 203 | See deal |
Frequently asked questions
- How do I get email alerts when London to Helsinki flights drop in price?
- Create a free FlexTrip Alerts tracker for London (All Airports) (LON) to Helsinki Vantaa Airport (HEL). Choose your flexible departure window, stay length, and maximum price — we email you when a round trip fits.
- Does FlexTrip Alerts book flights from London to Helsinki?
- No — we do not sell tickets. FlexTrip Alerts watches prices and emails you when a fare matches your plan. You book on the airline or travel site you prefer when you receive an alert.
- Can I set flexible travel dates for London to Helsinki alerts?
- Yes. Pick a departure window (not one fixed day) and how many nights you can stay. We match round trips that fit your window, stay length, and max price — then email you when one qualifies.
- How often does FlexTrip Alerts check London to Helsinki fares?
- We scan aggregated fares on a schedule — about four times per day (every ~6 hours, UTC). You can also trigger an on-demand check from your dashboard, with a short cooldown between manual refreshes.
- What is the cheapest month to fly from London to Helsinki?
- Based on recent fare samples on this page, October 2026 is currently the cheapest month to fly from London to Helsinki, with round trips from about EUR 69. Prices change — set an alert to catch the next drop.
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