Flights from Helsinki to London

The cheapest round-trip from Helsinki to London is about 60 EUR, usually in October 2026; June 2026 is priciest, so booking the low month saves around 224 EUR (~79%). Typical fare ~115 EUR, from 331 priced fares. Flightmussy live data, updated 2026-06-13.

Cheap flights from Helsinki (HEL) to London (LHR/LGW/STN/LTN/LCY). Free, no signup, no ads, no tracking. Compare every airline across 12 months of fares on one heatmap — including low-cost carriers Google Flights often deprioritises.

Fare insights: Helsinki to London

Cheapest round-trip seen: 60 EUR, usually around October 2026. Typical fare ~115 EUR. Across the year prices range roughly 60–284 EUR — about 79% cheaper in the low season than the peak (June 2026). Carriers on this route include Scandinavian Airlines, KLM, Air France, Finnair.

Based on Flightmussy's live 12-month fare data; prices last updated 2026-06-13. Prices change constantly — search live for current fares.

Cheapest fare by month: Helsinki to London

The lowest round-trip fare we found for each month over the coming year — low season versus peak at a glance. October 2026 is cheapest; June 2026 is priciest.

Jun 2026284 EUR
Jul 2026220 EUR
Aug 2026146 EUR
Sep 202664 EUR
Oct 202660 EUR
Nov 202660 EUR
Dec 202672 EUR
Jan 202786 EUR
Feb 202786 EUR
Mar 2027200 EUR
Apr 2027230 EUR
May 2027230 EUR

Share this finding: post on X · image card for Instagram / WhatsApp.

Why search this route on Flightmussy

Frequently asked questions

What is the cheapest month to fly from Helsinki to London?
The cheapest round-trip fares from Helsinki to London start around 60 EUR and are typically lowest in October 2026; June 2026 is the most expensive. Fares swing about 79% across the year. (Flightmussy live data, updated 2026-06-13.)
How much does a flight from Helsinki to London typically cost?
Typical round-trip is ~115 EUR; across the year fares run 60–284 EUR, cheapest 60 EUR in October 2026. Based on 331 priced fares, updated 2026-06-13.
How much can I save flying Helsinki to London in the cheapest month?
Booking the October 2026 low instead of the June 2026 peak saves about 224 EUR (~79%) per round-trip. Updated 2026-06-13.
Which airlines fly from Helsinki to London?
Carriers seen on Helsinki → London in recent searches: Scandinavian Airlines, KLM, Air France, Finnair. Flightmussy compares every carrier serving Helsinki → London, including budget airlines like Ryanair, easyJet, Wizz Air and AirAsia that Google Flights often deprioritises.
Do I need to sign up to search flights from Helsinki to London?
No. Flightmussy is free and requires no account, no email, and no credit card. Search, compare, and click through to book directly with the airline or booking partner.

Other routes from Helsinki

Cheap flights and the cheapest month to fly, worldwide

About Flightmussy

Flightmussy is a free, independent flight search for travellers anywhere in the world. No signup, no ads, no tracking — email is optional, only for route price alerts. Compare fares across every airline and see 12 months of prices at a glance, including the low-cost carriers Google Flights often buries. Book directly with the airline or a trusted partner — we never add a markup.

Flight price data & research

Flightmussy runs its own 12-month forward fare scans across thousands of routes worldwide and publishes the data openly. Read the cheapest month to fly almost anywhere → — a global study of when fares are lowest — or browse the cheapest destinations from a city:

Popular routes

Popular long-haul routes

Popular regional routes

Browse by origin

Read the blog →