$115 Cheap Flights from London (LHR) to Helsinki (HEL)

View $115 flight on Fri, Sep 19, 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Helsinki-Vantaa Airport (HEL)

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Cheap Flights from London to Helsinki (LHR-HEL)

Prices were available within the past 7 days and start at $115 for one-way flights and $202 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Mon, Sep 8 - Tue, Sep 9
LHR
London
HEL
Helsinki
$202 Roundtrip, found 1 hour ago
$202
Roundtrip
found 1 hour ago
Select Scandinavian Airlines flight, departing Mon, Sep 8 from London to Helsinki, returning Tue, Sep 9, priced at $202 found 1 hour ago
Scandinavian Airlines
Fri, Sep 26 - Mon, Sep 29
LHR
London
HEL
Helsinki
$204 Roundtrip, found 15 hours ago
$204
Roundtrip
found 15 hours ago
Select Scandinavian Airlines flight, departing Fri, Sep 26 from London to Helsinki, returning Mon, Sep 29, priced at $204 found 15 hours ago
Scandinavian Airlines
Tue, Sep 16 - Wed, Sep 24
LHR
London
HEL
Helsinki
$204 Roundtrip, found 5 days ago
$204
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Tue, Sep 16 from London to Helsinki, returning Wed, Sep 24, priced at $204 found 5 days ago
Scandinavian Airlines
Tue, Apr 28 - Wed, Apr 29
LHR
London
HEL
Helsinki
$207 Roundtrip, found 2 days ago
$207
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Tue, Apr 28 from London to Helsinki, returning Wed, Apr 29, priced at $207 found 2 days ago
Scandinavian Airlines
Sat, Sep 6 - Mon, Sep 8
LHR
London
HEL
Helsinki
$217 Roundtrip, found 1 hour ago
$217
Roundtrip
found 1 hour ago
Select Scandinavian Airlines flight, departing Sat, Sep 6 from London to Helsinki, returning Mon, Sep 8, priced at $217 found 1 hour ago
Scandinavian Airlines
Fri, Sep 26 - Mon, Sep 29
LHR
London
HEL
Helsinki
$218 Roundtrip, found 15 hours ago
$218
Roundtrip
found 15 hours ago
Select Scandinavian Airlines flight, departing Fri, Sep 26 from London to Helsinki, returning Mon, Sep 29, priced at $218 found 15 hours ago
Lufthansa
Sat, Oct 11 - Fri, Oct 17
LHR
London
HEL
Helsinki
$223 Roundtrip, found 21 hours ago
$223
Roundtrip
found 21 hours ago
Select Lufthansa flight, departing Sat, Oct 11 from London to Helsinki, returning Fri, Oct 17, priced at $223 found 21 hours ago
Air France
Fri, Jan 23 - Sun, Jan 25
LHR
London
HEL
Helsinki
$256 Roundtrip, found 2 days ago
$256
Roundtrip
found 2 days ago
Select Air France flight, departing Fri, Jan 23 from London to Helsinki, returning Sun, Jan 25, priced at $256 found 2 days ago
KLM
Sat, Jan 3 - Tue, Jan 6
LHR
London
HEL
Helsinki
$266 Roundtrip, found 5 days ago
$266
Roundtrip
found 5 days ago
Select KLM flight, departing Sat, Jan 3 from London to Helsinki, returning Tue, Jan 6, priced at $266 found 5 days ago
Austrian Airlines
Sat, Oct 11 - Fri, Oct 17
LHR
London
HEL
Helsinki
$294 Roundtrip, found 21 hours ago
$294
Roundtrip
found 21 hours ago
Select Austrian Airlines flight, departing Sat, Oct 11 from London to Helsinki, returning Fri, Oct 17, priced at $294 found 21 hours ago

Find the cheapest month to fly from London (LHR) to Helsinki (HEL)

November is typically the cheapest month to fly

From $172 - $221 per traveler.

Graph displaying average flight prices per month

Flights from London (LHR) to Helsinki (HEL)
Origin airport
Heathrow
Destination airport
Vantaa
Airlines serving
Air Baltic, Air France, Austrian Airlines, British Airways, Brussels Airlines, Finnair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines
Roundtrip price
$202
Distance
1148 mi
Average flight time
4 hours 50 mins

London to Helsinki Flights

The cheapest times to fly from London to Helsinki

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Helsinki are during the month of September. You can find some of the cheapest flights from London to Helsinki with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Helsinki

Sunday is one of the best days to book for cheap flights from London to Helsinki: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Helsinki

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Helsinki in 2025. You can also book with separate airlines for your outbound and return journeys, from $115 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Helsinki flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Helsinki airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Vantaa Airport (HEL) cost?
Grab cheap return fares starting at $324 from Heathrow Airport (LHR) to Vantaa Airport (HEL). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Finnair and Norwegian Air Shuttle flight leaving LHR on August 2 2025 and touching down at HEL. The price was last updated on July 11 2025 and has not changed since.
What is the cheapest month to fly from LHR to HEL?
The cheapest flights from LHR to HEL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Heathrow Airport (LHR) to Vantaa Airport (HEL)?
You can travel nonstop from Heathrow Airport (LHR) to Vantaa Airport (HEL) on a Finnair flight.
What is the cheapest airline that flies from LHR to HEL?
With tickets starting at $204 for a one-way journey from LHR to HEL, Finnair is currently the cheapest airline operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LHR on September 26 2025. Prices were last updated on July 11 2025 and have not changed since.
How many flights per day from Heathrow Airport (LHR) to Vantaa Airport (HEL)?
Each day, an average of 6 nonstop flights operate from Heathrow Airport (LHR) to Vantaa Airport (HEL). Select the departure date that best suits your travel plans.
What are the most popular departure times for flights from Heathrow Airport (LHR) to Vantaa Airport (HEL)?
The 9 AM departures from LHR to HEL are the top choice for many travelers. Greater demand means you'll likely pay more for these departures. If you're looking to save, book during off-peak hours.
What day of the week has the most flights from LHR to HEL?
Thursday has the most flights from Heathrow Airport (LHR) to Vantaa Airport (HEL). Consider jetting off on this day and you'll have a greater chance of finding a departure that works with your plans.
What is the earliest flight from Heathrow Airport (LHR) to Vantaa Airport (HEL)?
Heathrow Airport (LHR)'s earliest flight to Vantaa Airport (HEL) takes off at approximately 7:30AM UTC+0. With a travel time of 2h 50m, you'll land at around 12:20PM UTC+2.
How long does it take to fly from Heathrow Airport (LHR) to Vantaa Airport (HEL)?
Flights from LHR to HEL have an average travel time of 2 hours and 51 minutes. The distance between the two is 1,150 mi.
What airline has the least delays from LHR to HEL?
Consider booking with China Southern Airlines if you'd like to fly straight from Heathrow Airport (LHR) to Vantaa Airport (HEL) without any holdups. This airline has the best track record for punctuality, with an on-time score of 100%. Want real-time updates? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Heathrow Airport (LHR) to Vantaa Airport (HEL)?
Choose a flight from Heathrow Airport (LHR) to Vantaa Airport (HEL) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Helsinki from Heathrow Airport (LHR)?
Browse your flight options from Heathrow Airport (LHR) to Vantaa Airport (HEL). This is the only Helsinki airport you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Vantaa Airport (HEL) last-minute?
Holding off until just before your departure to book a ticket from LHR to HEL generally means paying more. While it's possible to find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book a LHR to HEL flight and hotel package?
Compared with arranging flights and hotels separately, booking a LHR to HEL flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the stress out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Vantaa Airport (HEL)?
If you reserved your LHR to HEL flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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*Available to One Key members.