London to Helsinki flight

Flights from London to Helsinki start at $156.34.

Fares

Check dates and fares

Fares and seats move by the day. Price London to Helsinki on the date you actually want, rather than on the date this page was built.

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Skyline of central Helsinki, as seen from the roof of the Erottaja fire station.

The Flights from London to Helsinki starts at $156.34, run by 4 operators over 1,872 km. Fares bottom out about 90 days before departure.

Checked October 6, 2026Priced for October 26, 2026One passenger, all fees included

  • 22h 10mDoor to door
  • 18h 57mMoving
  • $187.58 to $385.40From
  • 271.8 kgCO2

$187.58 to $385.40 for one passenger across the 14 departure dates priced here. The low end is one day, not every day. Typical for this corridor. The operator sets the price on the day.

Fares by date

What this journey usually costs, by departure date. It shows which days run dearer.

Typical fares

  1. about $385.40Wed7
  2. about $363.28Thu8
  3. about $358.07Fri9
  4. about $304.06Sat10
  5. about $279.32Sun11
  6. about $265.01Mon12
  7. about $265.01Tue13
  8. about $190.82Wed14
  9. about $246.79Thu15
  10. about $234.42Fri16
  11. about $251.99Sat17
  12. about $212.95Sun18
  13. about $205.14Mon19
  14. about $187.58Tue20

Based on what this route has cost recently. The live fare is confirmed when you book.

Carriers

Airlines

Every operator we sell on this corridor. Speed is the carrier's own typical cruising speed, not the average over this route.
OperatorTypical speedFlexibilityOn board
British Airways740 km/hFixed fareNot published
Silja Line33 km/hChangeableBar, Bicycles, Cabins, Cafe, Restaurant, Restrooms
Air Canada740 km/hFixed fareNot published
Finnlines33 km/hChangeableBar, Bicycles, Cabins, Cafe, Restaurant, Restrooms
  • British Airways
  • Silja Line
  • Air Canada
  • Finnlines

The flight gets you into Helsinki. These two partners take it from there, and the bed is theirs to book.

A hotel room

A room in Helsinki for the night the flight gets in

Sort by distance from Helsinki Central and you can see which places are ten minutes on foot and which are not.

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Booking window

When to book London to Helsinki

The same search run across the whole booking window, so the shape of the curve is visible rather than described.

  1. $138.1290 days
  2. $227.2760 days
  3. $166.7545 days
  4. $173.9030 days
  5. $161.5421 days
  6. $187.5814 days
  7. $265.017 days
  8. $358.073 days
  9. $385.401 days
Cheapest lead time
Fares bottom out around 90 days ahead, at $138.12.
How much it moves
The gap between the cheapest and most expensive lead time is 179 percent. The most expensive point is $385.40, 1 days out.
What that means
Today sits inside the cheap window, which closes about 90 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Day of the week

Which departure day costs least

Median cheapest fare for each weekday, taken across the next three weeks of real prices.

  1. $212.95Sun
  2. $205.14Mon
  3. $187.58Tue
  4. $197.33Wed
  5. $246.79Thu
  6. $234.42Fri
  7. $251.99Sat
Terminals

Where you leave from and where you arrive

London

Air
  • LHR
  • LGW
  • STN
  • LTN
  • LCY
  • SEN
The journey

What the journey looks like

Direct or connecting
0% of the services we sell on this corridor run through without a change. The remaining 100% involve one connection.
How far it really runs
The route covers 1,872 km against 1,821 km in a straight line, a detour of 3 percent. Track and road geometry account for the difference.
Where the change is
Connections are made at Stockholm, Copenhagen. The gap between arriving and leaving is 53 minutes, of which about 14 is walking.
If the connection is missed
The tightest connection we sell here has a 18 percent chance of not being made on the timetable alone. Part of this journey is a self transfer between separate tickets, so leave more time than the minimum and expect to check in again.

Questions about London to Helsinki

The questions people actually ask about this trip, answered from the same prices and times the page above is built on rather than written once and left to go stale.

How long does the Flight from London to Helsinki take?

The Flight from London to Helsinki covers 1,872 km. Each operator's own departure and arrival times for the date you pick are in the search at the top of this page, beside the total price.

How much does the Flight from London to Helsinki cost?

The Flight from London to Helsinki starts at $156.34 for one passenger, as of October 6, 2026. A typical fare is $172.93. Both are the total including taxes, supplier fees and our service fee, so the price here is the price at checkout.

Who runs the Flight from London to Helsinki?

4 operators run the Flight from London to Helsinki: British Airways, Silja Line, Air Canada, Finnlines. The operator table on this page sets out fare, journey time, cruising speed, fare conditions and what is provided on board.

Which terminal does the Flight from London to Helsinki use?

The Flight from London to Helsinki leaves from London Heathrow Airport LHR and arrives at HELSINKI. Allow about 2h 20m for reaching the departure terminal and leaving the arrival one. That time is already inside every door to door figure quoted on this page.

When should I book the Flight from London to Helsinki?

Fares for the Flight from London to Helsinki bottom out around 90 days ahead, at $138.12. The gap between the cheapest and most expensive lead time across the window is 179 percent, measured on October 6, 2026. Booking inside the final week has consistently cost more.

How much CO2 does the Flight from London to Helsinki produce?

The Flight from London to Helsinki produces about 271.8 kg of CO2 per passenger over 1872 km, which works out at roughly 145 grams per passenger kilometer. That figure is for the whole journey and for one traveler, not for the vehicle.

What is provided on board the Flight from London to Helsinki?

Operators on the Flight from London to Helsinki publish Bar, Bicycles, Cabins, Cafe, Restaurant, Restrooms. That is what 4 carriers on this corridor state about their own fleets. Where a carrier publishes nothing, this page lists nothing for it.

Where these numbers come from

Places, coordinates, operators, which operator serves which pair, and every distance on this page are real and come from open data. Where a corridor has a filed timetable the departure times are real too, and ferry fares are the prices the operators publish themselves.

Observed service A carrier record names this operator on this pair, carried through unchanged.

Prices come from the supplier wherever we hold a live quote. Elsewhere we show an indicative price built from the real distance, the real operator and a fare curve over lead time, day of the week and season. Those are labeled Estimated fare and cannot be booked.

Defined in full at Door to door, Fares, The booking window, Carbon

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