$99 Cheap Flights from Helsinki (HEL) to London (LHR)

View $99 flight on Wed, Aug 20, 2025Opens in a new window

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

Cheap Flights from Helsinki to London (HEL-LHR)

Prices were available within the past 7 days and start at $99 for one-way flights and $225 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Thu, Aug 14 - Sun, Aug 17
HEL
Helsinki
LHR
London
$225 Roundtrip, found 15 hours ago
$225
Roundtrip
found 15 hours ago
Select Scandinavian Airlines flight, departing Thu, Aug 14 from Helsinki to London, returning Sun, Aug 17, priced at $225 found 15 hours ago
Scandinavian Airlines
Wed, Aug 13 - Sun, Aug 17
HEL
Helsinki
LHR
London
$226 Roundtrip, found 22 hours ago
$226
Roundtrip
found 22 hours ago
Select Scandinavian Airlines flight, departing Wed, Aug 13 from Helsinki to London, returning Sun, Aug 17, priced at $226 found 22 hours ago
Scandinavian Airlines
Wed, Oct 22 - Thu, Oct 23
HEL
Helsinki
LHR
London
$227 Roundtrip, found 8 hours ago
$227
Roundtrip
found 8 hours ago
Select Scandinavian Airlines flight, departing Wed, Oct 22 from Helsinki to London, returning Thu, Oct 23, priced at $227 found 8 hours ago
Scandinavian Airlines
Tue, Nov 11 - Fri, Nov 14
HEL
Helsinki
LHR
London
$227 Roundtrip, found 2 days ago
$227
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Tue, Nov 11 from Helsinki to London, returning Fri, Nov 14, priced at $227 found 2 days ago
Scandinavian Airlines
Wed, Oct 22 - Thu, Oct 23
HEL
Helsinki
LHR
London
$241 Roundtrip, found 8 hours ago
$241
Roundtrip
found 8 hours ago
Select Scandinavian Airlines flight, departing Wed, Oct 22 from Helsinki to London, returning Thu, Oct 23, priced at $241 found 8 hours ago
Scandinavian Airlines
Sat, Sep 13 - Wed, Oct 1
HEL
Helsinki
LHR
London
$242 Roundtrip, found 4 days ago
$242
Roundtrip
found 4 days ago
Select Scandinavian Airlines flight, departing Sat, Sep 13 from Helsinki to London, returning Wed, Oct 1, priced at $242 found 4 days ago
Lufthansa
Wed, Sep 17 - Sat, Sep 20
HEL
Helsinki
LHR
London
$246 Roundtrip, found 1 day ago
$246
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Sep 17 from Helsinki to London, returning Sat, Sep 20, priced at $246 found 1 day ago
KLM
Sun, Sep 28 - Sat, Oct 11
HEL
Helsinki
LHR
London
$295 Roundtrip, found 4 days ago
$295
Roundtrip
found 4 days ago
Select KLM flight, departing Sun, Sep 28 from Helsinki to London, returning Sat, Oct 11, priced at $295 found 4 days ago
Brussels Airlines
Fri, Sep 5 - Mon, Sep 8
HEL
Helsinki
LHR
London
$359 Roundtrip, found 14 hours ago
$359
Roundtrip
found 14 hours ago
Select Brussels Airlines flight, departing Fri, Sep 5 from Helsinki to London, returning Mon, Sep 8, priced at $359 found 14 hours ago
British Airways
Mon, Sep 8 - Fri, Sep 12
HEL
Helsinki
LHR
London
$370 Roundtrip, found 4 days ago
$370
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Sep 8 from Helsinki to London, returning Fri, Sep 12, priced at $370 found 4 days ago

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

November is typically the cheapest month to fly

From $173 - $239 per traveler.

Graph displaying average flight prices per month

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Cheapest option available. Average driving time to city center is 52 minutes. Flights from $314
LGW
Gatwick
Cheapest
Average driving time to city center52 min
Flights from $314
Select flight to London City LCY. Closest option available. Average driving time to city center is 21 minutes. Flights from $793
LCY
London City
Closest
Average driving time to city center21 min
Flights from $793
Flights from Helsinki (HEL) to London (LHR)
Origin airport
Vantaa
Destination airport
Heathrow
Airlines serving
Air Baltic, Air France, Austrian Airlines, British Airways, Brussels Airlines, Finnair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Turkish Airlines
Roundtrip price
$224
Distance
1148 mi
Average flight time
1 hour 6 mins

Helsinki to London Flights

The cheapest times to fly from Helsinki to London

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 Helsinki to London are during the month of August. You can find some of the cheapest flights from Helsinki to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Helsinki to London

Sunday is one of the best days to book for cheap flights from Helsinki to London: 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 Helsinki to London

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 Helsinki to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $99 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 Helsinki to London 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 Helsinki to London 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 Vantaa Airport (HEL) to Heathrow Airport (LHR) cost?
You can find cheap return flights from Vantaa Airport (HEL) to Heathrow Airport (LHR) starting from $311. Snag a seat and take off on your trip. 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 HEL on August 2 2025 and touching down at LHR. The price was last updated on July 7 2025 and has not changed since.
What is the cheapest month to fly from HEL to LHR?
The cheapest flights from HEL to LHR 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 Vantaa Airport (HEL) to Heathrow Airport (LHR)?
When departing from Vantaa Airport (HEL), you can get on a direct flight to Heathrow Airport (LHR) with Finnair.
What is the cheapest airline that flies from HEL to LHR?
Book a flight from HEL to LHR with British Airways. This airline currently offers the lowest one-way fare for this route, starting at $173. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HEL on September 20 2025. Prices were last updated on July 7 2025 and have not changed since.
How many flights per day from Vantaa Airport (HEL) to Heathrow Airport (LHR)?
With, on average, 6 nonstop flights that operate from Vantaa Airport (HEL) to Heathrow Airport (LHR) daily, you'll be jetting off in no time.
What are the most popular departure times for flights from Vantaa Airport (HEL) to Heathrow Airport (LHR)?
Flights between HEL and LHR are their busiest at 9 PM. If you'd like a more relaxed trip and possibly cheaper prices, look for a departure that's outside typical rush times.
What day of the week has the most flights from HEL to LHR?
If you fly on a Sunday, you'll get the biggest range of choices for flights from Vantaa Airport (HEL) to Heathrow Airport (LHR).
What is the earliest flight from Vantaa Airport (HEL) to Heathrow Airport (LHR)?
Vantaa Airport (HEL)'s earliest flight to Heathrow Airport (LHR) is at approximately 7:50AM UTC+2. With a total journey time of 3h 20m, you'll arrive at around 9:10AM UTC+0.
How long does it take to fly from Vantaa Airport (HEL) to Heathrow Airport (LHR)?
It takes about 3 hours and 14 minutes to fly the 1,150 mi from HEL to LHR.
What airline has the least delays from HEL to LHR?
Consider booking with China Southern Airlines if you'd like to go straight from Vantaa Airport (HEL) to Heathrow Airport (LHR) without any interruptions. This carrier has the strongest track record for punctuality, with an on-time score of 100%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Vantaa Airport (HEL) to Heathrow Airport (LHR)?
To avoid possible delays on the Vantaa Airport (HEL) to Heathrow Airport (LHR) route, travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 London from Vantaa Airport (HEL)?
Vantaa Airport (HEL) has direct flights to London. Here are some of the airports you can fly to without stopovers:

  • Heathrow Airport (LHR)
  • Stansted Airport (STN)
  • Gatwick Airport (LGW)

Is it cheaper to buy a plane ticket from Vantaa Airport (HEL) to Heathrow Airport (LHR) last-minute?
Last-minute fares from HEL to LHR are usually more expensive. To secure the lowest rates, start searching for flights well ahead of time. That being said, if your travel plans are flexible, it's possible to score a cheap fare right before you leave.
Is it cheaper to book a HEL to LHR flight and hotel package?
Booking a HEL to LHR flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Vantaa Airport (HEL) to Heathrow Airport (LHR)?
In most cases, you can reschedule or cancel your HEL to LHR flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want more information, head to our Customer Service portal.

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*Available to One Key members.