Cheap flights from London to Helsinki
from 70 US$
From 72 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 70 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from London to Helsinki, a about 1,821 km route (around 2h 47m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as American Airlines, Finnair, British Airways operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly London to Helsinki?
It's usually 2026-09, from 70 USD. Use the price calendar to compare other dates.
How long is the flight from London to Helsinki?
A nonstop flight takes about 2h 47m and covers around 1,821 km. Connecting itineraries take longer.
Are there direct flights from London to Helsinki?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from London to Helsinki?
American Airlines, Finnair, British Airways, Norwegian Air Shuttle operate this route, among others. Compare them all in the results.
When should I book London–Helsinki flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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