What to know about flights from London to Helsinki?

The distance between London and Helsinki is approximately 1,828.47km. The average flight time between London and Helsinki is 2 hours 51 minutes. According to Trip.com data, travel demand is highest in July. November is generally the cheapest month to book.

Cheapest one-way
£25
Ryanair Ryanair LON-HEL 2h 50m · Direct Sat, Nov 7
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Cheapest return
£36
Ryanair Ryanair LON-HEL 2h 50m · Direct Thu, Nov 5 - Thu, Nov 12
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Best time to book
February
Cheapest
July
Peak season for travel
Route details
1,828.47km
Flight distance
2h 51m
Average flight time

Explore the cheapest one-way and round-trip flights from London to Helsinki over the next 90 days, with one-way fares from £25 and round-trip from £36. Based on Trip.com's latest 7-day flight data.

Flight.News
Flights from London to Helsinki operate an average of 29 times per day over the past 7 days, with a 32.1% on-time departure rate and a 83.4% on-time arrival rate.

Which airlines are the most popular for London to Helsinki flights?

The most popular airlines flying from London to Helsinki are Norwegian Air Sweden, Scandinavian Airlines, and Ryanair, among 7 carriers on this route. Ryanair offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Norwegian Air Sweden logo Norwegian Air Sweden
Scandinavian Airlines logo Scandinavian Airlines
Ryanair logo Ryanair
Finnair logo Finnair
British Airways logo British Airways
Lufthansa logo Lufthansa
KLM logo KLM
Airlines are determined based on actual purchased flight tickets from London to Helsinki according to previous 12 months data from Trip.com.

Trip.com Price Insights on London to Helsinki Flights

What is the cheapest month to book a one-way flight from London to Helsinki?

Average price of one-way tickets from London to Helsinki booked on Trip.com over the past 12 months.

For a one-way flight from London to Helsinki, fares are lowest in February (£90) and highest in July (£205).

£205
£148
£90
£33
    Cheapest
  • £120
    Oct
  • £118
    Nov
  • £158
    Dec
  • £103
    Jan
  • £90
    Feb
  • £94
    Mar
  • £121
    Apr
  • £145
    May
  • £173
    Jun
  • £205
    Jul
  • £166
    Aug
  • £127
    Sep

What is the cheapest month to book a return flight from London to Helsinki?

Average price of return tickets from London to Helsinki booked on Trip.com over the past 12 months.

For a return flight from London to Helsinki, fares are lowest in March (£204) and highest in July (£347).

£347
£276
£204
£133
    Cheapest
  • £294
    Oct
  • £287
    Nov
  • £269
    Dec
  • £211
    Jan
  • £259
    Feb
  • £204
    Mar
  • £236
    Apr
  • £295
    May
  • £345
    Jun
  • £347
    Jul
  • £284
    Aug
  • £270
    Sep

Flight FAQs

  • Which airlines offer the cheapest flights from London to Helsinki?

    Based on Trip.com data, Ryanair offers Cheapest nonstop one-way flights from £25 (for example, STN–HEL on Sat, Nov 7). For a Cheapest nonstop return flight, Ryanair offers fares from £36, departing on Thu, Nov 5 and returning on Thu, Nov 12.
  • At the moment, you can catch a direct flight from London to Helsinki with the following airlines, including: Norwegian Air Sweden AOC Ryanair Finnair Scandinavian Airlines British Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • A flight from London (LON) to Helsinki (HEL) takes an average of 2 hours 51 minutes.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London to Helsinki is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • On average, 30 direct flights operate each week between London and Helsinki. See below the schedules of the main airlines serving this route:
    British Airways: S/M/T/W/T/F/S – BA6080 (departure at 16:25)
  • Here are some tips for finding the best flight deals from London to Helsinki on Trip.com:
    · Be flexible with your travel dates. The cheapest flight is currently on Sat, Nov 7, with one-way fares from just £25.
    · Compare airlines. Ryanair currently offers the lowest fares on this route.
    · Set up a price alert to track fare changes without searching every day.
    · Check Trip.com regularly for flight deals and available promo codes.
    · Avoid peak season or book early. July is generally the busiest month for travel to Helsinki.
    · Get exclusive promo codes on the Trip.com app.
  • The cheapest month to book a flight from London to Helsinki is usually November, when demand is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from London to Helsinki on October 30, 2026 with Ryanair, with prices starting at £46.
  • Flights to Helsinki can arrive at: Helsinki Airport (HEL). The most common route connects Heathrow Airport and Helsinki Airport (LHR–HEL).
  • The time difference between Helsinki and London is 2h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from London to Helsinki is £186. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for flights departing in the next 30 days, the average return fare from London to Helsinki is £236. Fares vary by travel date, airline and availability.
  • Enter London and Helsinki, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.
  • Norwegian Air Sweden AOC, Ryanair and Norwegian Air Shuttle ASAare the most popular budget airlines flying from London to Helsinki. Check baggage, seat and payment fees before comparing the final price.

Cheap Flights from London to Helsinki

Flight from London to Helsinki
Helsinki, the capital of Finland, founded in the 16th century, is a vibrant seaside area with captivating islands and lush green parks. The rhythm of this beautiful city is laid back yet refreshing at the same time. This is a city you can easily explore on foot. The architecture, design, shopping, and culture are all perfect for exploration. There is no shortage of natural presence in the city because of the presence of forests, park areas, lakes, and an alluring coastline. There is something fun going on in this beautiful city every single day of the year.
Tip: the perfect time to visit this city is between June and August. You will get to experience the best weather and enjoy mild, long days.
Getting to Helsinki
Helsinki Airport is the main international airport in the city. There are 5 direct flights to Helsinki offered by airlines like British Airways. Connecting flights are offered by other airlines like Lufthansa Airlines, some of these are cheap flights from London. Direct London to Helsinki flights only take about 2 hours and 50 minutes.
Tip: booking for flights to Helsinki is easier because there are 66 flights per week.
Things to do in Helsinki
Just a few minutes away from the Kauppatori, you will reach one of the best man-made places on earth. The Suomenlinna is a beautiful maritime fortress you must visit during your vacation. Another sight you must check out is the Helsinki cathedral. This neoclassical cathedral with the tall green dome soars beautifully above the cityscape and shines like a beacon from the water during the nights. Also known as the Espa, Esplanadi is a relaxing green space located in the heart of the city. This is where tourists and the locals come to relax and enjoy picnics. Have a chance to explore Finland’s past by visiting the National Museum of Finland in Helsinki. This is a great place to learn about the evolution of Finnish society and culture through various exhibitions.
Tip: during the summers, there would be an outdoor venue with a very electrifying schedule of live music performances and shows in the Esplanadi. The July Jazz festival here is an exciting thing to add to your list.
Shopping in Helsinki
There are many shopping opportunities all through the year in Helsinki. The Tori Quarters is located in the historical centre of the city. It is home to a variety of craft shops and charming boutiques. People who are fans of Finnish fashion, design, and interior decoration should go to the Design District present in the heart of the city. The best shopping streets include Mannerheimintie, Aleksanterinkatu, and Pohjois. These streets have some of the best Finnish brand stores.
Tip: Etelaesplanadi Street located next to the Esplanadi Park is also an excellent place for shopping.
Cheap deals and discounts are life-savers when you are looking for London-Helsinki flight bookings and accommodations. Your next vacation to Helsinki will be the perfect journey with Trip.com.

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.