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Cheap flights from London to Helsinki from C$ 136

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HEL
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London to Helsinki-Vantaa are usually found in November or January, booked 75 days in advance, depart on a Saturday or Friday and return on a Tuesday

Cheap flight deals from London to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 237

One-way from

C$ 136

Popular in

July

Cheapest in

November

Average price

C$ 227

Good one-way deal

C$ 256 or less
Norwegian
  • Norwegian
  • 1/12-8/12
  • Nonstop
  • 6h 10m total
  • London to Helsinki
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airBaltic
  • airBaltic
  • 3/11
  • 1 total stop
  • 9h 15m total
  • London to Helsinki
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Highest demand for flights based on searches. 25% potential increase in price (C$ 126 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from London (LON) to Helsinki-Vantaa.
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Find flight deals from London to Helsinki

Cheapest flights from London to Helsinki
Explore the most affordable flight options available from London to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Mon 1/1210:50 a.m.LGW - HEL
Nonstop3h 00mNorwegian
Mon 8/129:00 a.m.HEL - LGW
Nonstop3h 10mNorwegian
Deal found 11/9C$ 237
Thu 25/99:55 a.m.LGW - HEL
Nonstop2h 50mNorwegian
Sun 28/95:05 p.m.HEL - LGW
Nonstop3h 05mNorwegian
Deal found 10/9C$ 310
Thu 16/109:55 a.m.LGW - HEL
Nonstop2h 50mNorwegian
Sun 19/105:05 p.m.HEL - LGW
Nonstop3h 05mNorwegian
Deal found 10/9C$ 359
Tue 4/111:00 p.m.LGW - HEL
1 stop4h 20mNorwegian
Sat 8/119:55 a.m.HEL - LGW
1 stop4h 25mNorwegian
Deal found 11/9C$ 388
Mon 17/1110:50 a.m.LGW - HEL
Nonstop3h 00mNorwegian
Thu 20/119:00 a.m.HEL - LGW
Nonstop3h 10mNorwegian
Deal found 10/9C$ 399
Sat 20/129:25 a.m.LGW - HEL
1 stop9h 15mairBaltic
Tue 23/125:30 a.m.HEL - LGW
1 stop5h 10mairBaltic
Deal found 10/9C$ 488
Fri 19/129:25 a.m.LGW - HEL
1 stop9h 15mairBaltic
Sun 21/129:20 p.m.HEL - LGW
1 stop13h 20mairBaltic
Deal found 11/9C$ 489
Mon 29/1210:50 a.m.LGW - HEL
Nonstop3h 00mNorwegian
Fri 2/18:15 a.m.HEL - LGW
Nonstop3h 10mNorwegian
Deal found 11/9C$ 528

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Helsinki that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from London to Helsinki that are best for you.

Fly from

London

Fly to

Helsinki

Route

Depart

Return

Price

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Mon 1/12

10:50 a.m.-3:50 p.m.

Nonstop3h 00m

Helsinki-Vantaa

Mon 8/12

9:00 a.m.-10:10 a.m.

Nonstop3h 10m

C$ 237

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 29/1

9:25 a.m.-12:30 a.m.

1 stop13h 05m

Helsinki-Vantaa

Sun 1/2

5:30 a.m.-4:45 p.m.

1 stop13h 15m

C$ 266

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 25/9

9:55 a.m.-2:45 p.m.

Nonstop2h 50m

Helsinki-Vantaa

Sun 28/9

5:05 p.m.-6:10 p.m.

Nonstop3h 05m

C$ 310

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 16/10

9:55 a.m.-2:45 p.m.

Nonstop2h 50m

Helsinki-Vantaa

Sun 19/10

5:05 p.m.-6:10 p.m.

Nonstop3h 05m

C$ 359

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 26/9

9:50 a.m.-2:40 p.m.

Nonstop2h 50m

Helsinki-Vantaa

Sun 28/9

5:05 p.m.-6:10 p.m.

Nonstop3h 05m

C$ 366

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Tue 4/11

1:00 p.m.-7:20 p.m.

1 stop4h 20m

Helsinki-Vantaa

Sat 8/11

9:55 a.m.-12:20 p.m.

1 stop4h 25m

C$ 388

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Mon 17/11

10:50 a.m.-3:50 p.m.

Nonstop3h 00m

Helsinki-Vantaa

Thu 20/11

9:00 a.m.-10:10 a.m.

Nonstop3h 10m

C$ 399

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Mon 3/11

9:25 a.m.-8:40 p.m.

1 stop9h 15m

C$ 136

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Mon 12/1

5:35 p.m.-8:00 a.m.

1 stop12h 25m

C$ 136

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 6/11

1:00 p.m.-10:25 p.m.

1 stop7h 25m

C$ 137

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 13 results
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Best time to book a flight from London to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Helsinki

How far ahead should I book a flight from London to Helsinki?

Use this chart to determine the optimal time to book a round-trip flight from London to Helsinki. Price data was last updated on 29 August 2025.

The best time to book flights from London to Helsinki is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from London to Helsinki (average of C$ 669). Flying from London to Helsinki in June is currently the most expensive (average of C$ 1,028). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to HEL?

Find hourly flight availability from London to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

A simple way to save on the total cost of your ticket is to fly from London to Helsinki in the afternoon. If you’re flexible enough to do this you can expect to save up to 54% on your trip compared to booking a flight at noon.

Weekly flight availability from London to Helsinki

Explore weekly flight availability from London to Helsinki. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 September 2025.

The most flights from LON to HEL are scheduled on a Wednesday (41 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (26 on average).

How much does it cost to fly round-trip from London to Helsinki?

Related info for your journey

Find useful and relevant information for your journey from London to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Helsinki from London?

    Helsinki-Vantaa (HEL) is the airport you will fly into if you book a flight from London to Helsinki. You should not have trouble finding flights to Helsinki-Vantaa from London; the airport handles an average of 36 inbound flights from London per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Helsinki airport from London. It is only a 17.1 km journey from Helsinki-Vantaa (HEL) to Helsinki’s city centre.

  • How long is the flight from London to Helsinki?

    For as low as C$ 237, Norwegian can have you in Helsinki from London in 3h. There are 1856 km between London and Helsinki. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from London to Helsinki round-trip?

    According to our current data, Scandinavian Airlines (C$ 230), and Finnair (C$ 284) offers the cheapest pricing from London to Helsinki. You may be able to fly from London to Helsinki for 11% less than the average price by searching for these airlines.

  • What are the most reliable airlines from London to Helsinki?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Helsinki on time: Japan Airlines (74%), Malaysia Airlines (73%), LATAM Airlines (71%).

  • What are the cheapest flights from London to Helsinki?

    Looking at all options, your cheapest flight can be booked for C$ 260. While the most popular route (London Gatwick - Helsinki-Vantaa) can be booked for C$ 301 on average, our data indicates C$ 340 when flying from London to Helsinki.

  • Can I find deals for flights from London to Helsinki that include hotel bookings?

    Yes. In addition to deals on London to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Helsinki?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Helsinki.

  • Can I find deals for business class flights from London to Helsinki?

    Yes. Cheapflights offers flight deals from London to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, April is the cheapest month in which you can book a flight from London to Helsinki (average of C$ 669). Flying from London to Helsinki in June is currently the most expensive (average of C$ 1,028). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for London to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Helsinki flights

Top 2 airlines flying from London to Helsinki

Discover the top 2 airlines that operate flights from London to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapestC$ 230AverageC$ 259FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
FinnairCheapestC$ 284AverageC$ 371FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Helsinki?

Deals for London to Helsinki flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Helsinki?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Helsinki from London.

Can Cheapflights find flights from London to Helsinki with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Helsinki flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Helsinki become cheaper?

Yes! Start tracking prices for London to Helsinki flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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