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Cheap flights from London to Helsinki from C$ 133

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HEL
20 Apr — 27 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Helsinki-Vantaa are usually found in February or January, booked 79 days in advance, depart on a Thursday or Monday and return on a Wednesday

Cheap flight deals from London to Helsinki

Enter your travel dates to find the best prices.

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 21 March 2026.

Fri 6/1110:05 a.m.
LGW
-
HEL
Nonstop3h 00m
Norwegian
Fri 13/118:15 a.m.
HEL
-
LGW
Nonstop3h 10m
Norwegian
Deal found 16/3C$ 221
Wed 1/79:50 a.m.
LGW
-
HEL
Nonstop2h 50m
Norwegian
Wed 22/78:05 a.m.
HEL
-
LGW
Nonstop3h 05m
Norwegian
Deal found 19/3C$ 273
Fri 6/1110:05 a.m.
LGW
-
HEL
Nonstop3h 00m
Norwegian
Sun 15/1110:00 a.m.
HEL
-
LGW
1 stop5h 25m
Norwegian
Deal found 16/3C$ 276
Thu 4/69:55 a.m.
LGW
-
HEL
Nonstop2h 50m
Norwegian
Tue 9/63:40 p.m.
HEL
-
LGW
1 stop5h 35m
Norwegian
Deal found 16/3C$ 292
Thu 14/58:45 p.m.
LGW
-
HEL
1 stop10h 35m
Multiple Airlines
Sat 23/59:20 p.m.
HEL
-
LGW
1 stop13h 20m
Multiple Airlines
Deal found 20/3C$ 295
Thu 14/58:45 p.m.
LGW
-
HEL
1 stop10h 35m
Norwegian
Mon 18/58:05 a.m.
HEL
-
LGW
Nonstop3h 05m
Norwegian
Deal found 17/3C$ 299
Thu 14/58:45 p.m.
LGW
-
HEL
1 stop10h 35m
Norwegian
Wed 20/57:05 a.m.
HEL
-
LGW
1 stop5h 15m
Norwegian
Deal found 17/3C$ 303
Thu 16/48:45 p.m.
LGW
-
HEL
1 stop10h 35m
Norwegian
Tue 21/43:40 p.m.
HEL
-
LGW
1 stop5h 35m
Norwegian
Deal found 19/3C$ 306
Thu 4/69:55 a.m.
LGW
-
HEL
Nonstop2h 50m
Norwegian
Wed 10/67:05 a.m.
HEL
-
LGW
1 stop7h 25m
Norwegian
Deal found 16/3C$ 307

Find 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 21 March 2026.

Round-trip from

C$ 273

One-way from

C$ 133

Popular in

July

Cheapest in

February

Average price

C$ 181

Good one-way deal

C$ 84 or less
Norwegian
  • Norwegian
  • 1/7-22/7
  • Nonstop
  • 5h 55m total
  • London to Helsinki
Search Deals
Norwegian
  • Norwegian
  • 29/5
  • Nonstop
  • 2h 50m total
  • London to Helsinki
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from London (LON) to Helsinki-Vantaa.
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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 21 March 2026.
Use the filters below to find and compare flights from London to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 4/6

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

Nonstop2h 50m

Helsinki-Vantaa

Tue 9/6

3:40 p.m.-7:15 p.m.

1 stop5h 35m

C$ 292

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 16/4

8:45 p.m.-9:20 a.m.

1 stop10h 35m

Helsinki-Vantaa

Tue 21/4

3:40 p.m.-7:15 p.m.

1 stop5h 35m

C$ 306

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Wed 1/7

1:10 p.m.-11:50 p.m.

1 stop8h 40m

Helsinki-Vantaa

Wed 22/7

8:05 a.m.-9:10 a.m.

Nonstop3h 05m

C$ 321

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 17/4

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

Nonstop2h 50m

Helsinki-Vantaa

Tue 21/4

3:40 p.m.-7:15 p.m.

1 stop5h 35m

C$ 333
Quickest round-trip

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 30/4

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

Nonstop2h 50m

Helsinki-Vantaa

Mon 4/5

8:05 a.m.-9:10 a.m.

Nonstop3h 05m

C$ 335

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 17/4

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

Nonstop2h 50m

Helsinki-Vantaa

Mon 20/4

3:50 p.m.-6:25 p.m.

1 stop4h 35m

C$ 351

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 30/4

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

Nonstop2h 50m

Helsinki-Vantaa

Thu 7/5

8:05 a.m.-9:10 a.m.

Nonstop3h 05m

C$ 354
Cheapest one-way
Quickest one-way

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 11/6

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

Nonstop2h 50m

C$ 181

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 19/6

8:45 p.m.-4:45 p.m.

2 stops18h 00m

C$ 207

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Tue 5/5

8:45 p.m.-4:40 p.m.

2 stops17h 55m

C$ 207

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/3

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 13 March 2026.

The best time to book flights from London to Helsinki is 79 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, March is the cheapest month in which you can book a flight from London to Helsinki (average of C$ 77). Flying from London to Helsinki in July is currently the most expensive (average of C$ 191). 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 21 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Helsinki as you normally would.

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 21 March 2026.

The most flights from LON to HEL are scheduled on a Friday (32 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (18 on average).

How often are flights from London to Helsinki delayed?

About 19% of weekly flights between London and Helsinki have experienced delays in the past year, with the average delay time being 106 minutes.

What is the most punctual flight time for London to Helsinki flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Helsinki flights?

Over the past year, Ryanair has had the lowest number of delays on this route, with just 11% of flights being delayed.

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 26 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$ 292, Norwegian can have you in Helsinki from London in 2h 50m. There are 1856 km between London and Helsinki. Generally, flights for this route are direct.

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

    According to our current data, Scandinavian Airlines (C$ 228), and Finnair (C$ 248) offers the cheapest pricing from London to Helsinki. You may be able to fly from London to Helsinki for 12% 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 (83%), Malaysia Airlines (83%), Vietnam Airlines (82%).

  • 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, March is the cheapest month in which you can book a flight from London to Helsinki (average of C$ 77). Flying from London to Helsinki in July is currently the most expensive (average of C$ 191). 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

Browse thousands of different options on Cheapflights for your next trip

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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 21 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapestC$ 228AverageC$ 246FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
FinnairCheapestC$ 248AverageC$ 375FlexibilityNo 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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