LON → HEL
Flights from London to Helsinki
One way from €31, and about €97 on a typical day. Below: each month's cheapest ticket, the cheapest day of the week and the direct flights.
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- Cheapest one way
- €31Wed 4 Nov
- Usual price
- €97on a typical day
- Cheapest month
- Novemberfrom €31
- Direct flights
- YesFinnair, Norwegian Air Sweden and Ryanair
- Flight time
- 2 h 50 mindirect
- Distance
- 1 848 kmas the crow flies
Prices by month
Each month's cheapest one-way ticket from London to Helsinki, and the day it leaves.
The cheapest day of the week
Thursday is usually the cheapest, at about €62.
Airlines
The airlines with the day's cheapest ticket, most often first.
- Ryanair
- SAS Scandinavian
- Norwegian Air Sweden
Direct: Finnair, Norwegian Air Sweden and Ryanair
The way back
From Helsinki to London, one way from €23. The cheapest month is November.
Flights from Helsinki to LondonA round trip from €54
In November: there from €31, back from €23. Two one-way tickets can beat a return ticket.
Let Wingman watch the fare
Tell Wingman your dates, or a whole month. It searches Google Flights for them again and again and sends a notification to your phone when a fare drops or a faster flight appears.
Questions
How much is a flight from London to Helsinki?
One way from €31. On most days the cheapest ticket costs about €97.
When is it cheapest to fly from London to Helsinki?
The cheapest month is November, from €31, and the cheapest day of the week is usually Thursday.
Are there direct flights from London to Helsinki?
Yes, with Finnair, Norwegian Air Sweden and Ryanair: from €31, in about 2 h 50 min.
How long is the flight from London to Helsinki?
About 2 h 50 min direct.
More routes
Fares are the lowest that people found on Aviasales in the last days: one way, one adult, economy, in euros. They change quickly, and Wingman watches Google Flights for the exact fare. Updated 23 October 2026. Links to Aviasales are partner links: Wingman may earn a little if you book, at no cost to you.