Flight price alerts: Helsinki → London
Sample round trips on this route start around EUR 77; December 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 77. Cheapest month in our next-3-month sample: December 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 · 20 nights
- Fri 11 Dec · 23:40
- Return Thu 31 Dec · 07:55
EUR 77
- See deal
- Round trip · 47 nights
- Sat 14 Nov · 21:10
- Return Thu 31 Dec · 07:55
EUR 103
- See deal
- Round trip · 9 nights
- Wed 06 Jan · 21:45
- Return Fri 15 Jan · 18:15
EUR 107
- See deal
- Round trip · 8 nights
- Thu 14 Jan · 13:10
- Return Fri 22 Jan · 18:15
EUR 110
- See deal
- Round trip · 1 night
- Sat 12 Dec · 21:10
- Return Sun 13 Dec · 06:45
EUR 114
- See deal
- Round trip · 7 nights
- Fri 25 Dec · 17:15
- Return Fri 01 Jan · 05:55
EUR 115
- See deal
- Round trip · 12 nights
- Fri 13 Nov · 23:40
- Return Wed 25 Nov · 07:55
EUR 127
- See deal
- Round trip · 2 nights
- Tue 12 Jan · 07:20
- Return Thu 14 Jan · 07:55
EUR 130
- See deal
- Round trip · 3 nights
- Fri 27 Nov · 23:40
- Return Mon 30 Nov · 05:55
EUR 135
- See deal
- Round trip · 3 nights
- Fri 11 Dec · 23:40
- Return Mon 14 Dec · 09:15
EUR 143
- See deal
- Round trip · 7 nights
- Fri 13 Nov · 23:40
- Return Fri 20 Nov · 17:00
EUR 148
- See deal
- Round trip · 10 nights
- Sat 14 Nov · 21:10
- Return Tue 24 Nov · 06:20
EUR 154
- See deal
- Round trip · 7 nights
- Fri 11 Dec · 23:40
- Return Fri 18 Dec · 08:25
EUR 157
- See deal
- Round trip · 2 nights
- Fri 01 Jan · 08:15
- Return Sun 03 Jan · 07:15
EUR 158
- See deal
- Round trip · 3 nights
- Thu 10 Dec · 22:05
- Return Sun 13 Dec · 07:15
EUR 159
| Depart | Return | Stay | Price | Book |
|---|---|---|---|---|
| Fri 11 Dec · 23:40 | Thu 31 Dec · 07:55 | 20 nights | EUR 77 | See deal |
| Sat 14 Nov · 21:10 | Thu 31 Dec · 07:55 | 47 nights | EUR 103 | See deal |
| Wed 06 Jan · 21:45 | Fri 15 Jan · 18:15 | 9 nights | EUR 107 | See deal |
| Thu 14 Jan · 13:10 | Fri 22 Jan · 18:15 | 8 nights | EUR 110 | See deal |
| Sat 12 Dec · 21:10 | Sun 13 Dec · 06:45 | 1 night | EUR 114 | See deal |
| Fri 25 Dec · 17:15 | Fri 01 Jan · 05:55 | 7 nights | EUR 115 | See deal |
| Fri 13 Nov · 23:40 | Wed 25 Nov · 07:55 | 12 nights | EUR 127 | See deal |
| Tue 12 Jan · 07:20 | Thu 14 Jan · 07:55 | 2 nights | EUR 130 | See deal |
| Fri 27 Nov · 23:40 | Mon 30 Nov · 05:55 | 3 nights | EUR 135 | See deal |
| Fri 11 Dec · 23:40 | Mon 14 Dec · 09:15 | 3 nights | EUR 143 | See deal |
| Fri 13 Nov · 23:40 | Fri 20 Nov · 17:00 | 7 nights | EUR 148 | See deal |
| Sat 14 Nov · 21:10 | Tue 24 Nov · 06:20 | 10 nights | EUR 154 | See deal |
| Fri 11 Dec · 23:40 | Fri 18 Dec · 08:25 | 7 nights | EUR 157 | See deal |
| Fri 01 Jan · 08:15 | Sun 03 Jan · 07:15 | 2 nights | EUR 158 | See deal |
| Thu 10 Dec · 22:05 | Sun 13 Dec · 07:15 | 3 nights | EUR 159 | See deal |
Frequently asked questions
- How do I get email alerts when Helsinki to London flights drop in price?
- Create a free FlexTrip Alerts tracker for Helsinki Vantaa Airport (HEL) to London (All Airports) (LON). Choose your flexible departure window, stay length, and maximum price — we email you when a round trip fits.
- Does FlexTrip Alerts book flights from Helsinki to London?
- 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 Helsinki to London 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 Helsinki to London 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 Helsinki to London?
- Based on recent fare samples on this page, December 2026 is currently the cheapest month to fly from Helsinki to London, with round trips from about EUR 77. Prices change — set an alert to catch the next drop.
More routes from Helsinki
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