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Cheap flights from London to Helsinki from $170

LON — HEL
21 Sep — 28 Sep1
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 Wednesday or Monday and return on a Tuesday

Cheap flight deals from London to Helsinki

Enter your travel dates to find the best prices.

Cheapest flights from London to Helsinki

Tue 6/1020:45 -
2 stops17h 55m
Tue 13/1011:05 -
1 stop10h 10m
Deal found 22/8$291
Fri 23/1009:50 -
Nonstop2h 50m
Mon 2/1109:00 -
Nonstop3h 10m
Deal found 18/8$292
Fri 23/1009:50 -
Nonstop2h 50m
Mon 26/1009:00 -
Nonstop3h 10m
Deal found 20/8$293
Sun 1/1118:35 -
Nonstop3h 00m
Wed 4/1107:20 -
1 stop7h 00m
Deal found 19/8$295
Thu 3/1210:50 -
Nonstop3h 00m
Fri 4/1208:15 -
Nonstop3h 10m
Deal found 18/8$296
Sat 10/1009:10 -
1 stop13h 30m
Sat 17/1021:20 -
1 stop13h 20m
Deal found 18/8$298
Thu 22/1009:55 -
Nonstop2h 50m
Thu 29/1009:00 -
Nonstop3h 10m
Deal found 18/8$300
Tue 15/906:40 -
1 stop7h 05m
Wed 30/916:00 -
1 stop4h 30m
Deal found 21/8$300
Tue 20/1011:00 -
1 stop8h 20m
Mon 2/1107:20 -
1 stop11h 00m
Deal found 18/8$302
Sun 25/1020:35 -
1 stop10h 15m
Mon 2/1109:00 -
Nonstop3h 10m
Deal found 18/8$307
Tue 15/909:55 -
1 stop8h 40m
Wed 30/919:30 -
Nonstop3h 10m
Deal found 21/8$307
Tue 3/1113:00 -
1 stop4h 20m
Sat 7/1109:55 -
1 stop4h 25m
Deal found 19/8$310

Find flight deals from London to Helsinki

Round-trip from

$291

One-way from

$170

Popular in

June

Cheapest in

February

Average price

$434

Good round-trip deal

$541 or less

Good one-way deal

$50 or less
6/10-13/10
  • 6/10-13/10
  • 3 total stops
  • 28h 05m total
  • London to Helsinki
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Norwegian
  • Norwegian
  • 25/9
  • Nonstop
  • 2h 50m total
  • London to Helsinki
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Highest demand for flights based on searches. 32% potential increase in price ($209 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Price to beat on a round-trip flight from London (LON) to Helsinki-Vantaa.
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Price to beat on a one-way flight from London (LON) to Helsinki-Vantaa.
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Cheapflights Fare Finder

 
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 return flight

LondonHelsinki

LGW London Gatwick - HEL Helsinki-Vantaa

LGWHEL

London Gatwick

Sun 1/11

18:35-23:35

Nonstop3h 00m

Helsinki-Vantaa

Tue 3/11

07:20-16:20

1 stop11h 00m

$295

LondonHelsinki

LGW London Gatwick - HEL Helsinki-Vantaa

LGWHEL

London Gatwick

Mon 2/11

10:50-15:50

Nonstop3h 00m

Helsinki-Vantaa

Sat 7/11

09:55-12:20

1 stop4h 25m

$295

LondonHelsinki

LGW London Gatwick - HEL Helsinki-Vantaa

LGWHEL

London Gatwick

Thu 29/10

09:25-20:55

1 stop9h 30m

Helsinki-Vantaa

Fri 30/10

05:30-08:40

1 stop5h 10m

$298

LondonHelsinki

LGW London Gatwick - HEL Helsinki-Vantaa

LGWHEL

London Gatwick

Wed 7/10

17:20-08:20

1 stop13h 00m

Helsinki-Vantaa

Fri 9/10

21:20-08:15

1 stop12h 55m

$314

LondonHelsinki

LGW London Gatwick - HEL Helsinki-Vantaa

LGWHEL

London Gatwick

Thu 17/9

17:20-08:20

1 stop13h 00m

Helsinki-Vantaa

Thu 24/9

05:30-08:15

1 stop4h 45m

$316

LondonHelsinki

LGW London Gatwick - HEL Helsinki-Vantaa

LGWHEL

London Gatwick

Sat 3/10

09:10-00:40

1 stop13h 30m

Helsinki-Vantaa

Sun 4/10

21:20-08:15

1 stop12h 55m

$316

LondonHelsinki

LGW London Gatwick - HEL Helsinki-Vantaa

LGWHEL

London Gatwick

Mon 5/10

09:10-20:40

1 stop9h 30m

Helsinki-Vantaa

Fri 9/10

21:20-08:15

1 stop12h 55m

$317

LondonHelsinki

LHR London Heathrow - HEL Helsinki-Vantaa

LHRHEL

London Heathrow

Tue 1/9

06:40-12:55

1 stop4h 15m

Helsinki-Vantaa

Sat 5/9

19:10-08:55

1 stop15h 45m

$318

LondonHelsinki

LGW London Gatwick - HEL Helsinki-Vantaa

LGWHEL

London Gatwick

Mon 2/11

10:50-15:50

Nonstop3h 00m

Helsinki-Vantaa

Thu 5/11

09:00-10:10

Nonstop3h 10m

$318

LondonHelsinki

LGW London Gatwick - HEL Helsinki-Vantaa

LGWHEL

London Gatwick

Mon 15/2

09:15-19:20

1 stop8h 05m

Helsinki-Vantaa

Mon 1/3

09:00-10:10

Nonstop3h 10m

$323

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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 return price

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from London to Helsinki (average of $134). Flying from London to Helsinki in July is currently the most expensive (average of $500). 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?

When flying from London to Helsinki, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London to Helsinki

The most flights from LON to HEL are scheduled on a Friday (29 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (18 on average).

How much does it cost for a return flight from London to Helsinki?

Airfare is typical for this route at the moment.
London to Helsinki flights typically cost between $224 and $498 in October.
The cheapest return price found within the last 5 days was $291 on Multiple Airlines (6 Oct–13 Oct).

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 110 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 have had the lowest number of delays on this route, with just 14% of flights being delayed.

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

The price you pay for your flight from London to Helsinki may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Helsinki

Check out reviews from past customers who have flown with Finnair from London to Helsinki to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,428 reviews
Check prices

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.
Finnair
7.6
Good
1,428 reviews
Finnair
7.6
Good
1,428 reviews
Check prices

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.

Related info for your journey

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

    Located just 17.1 km from the city centre, Helsinki-Vantaa is the airport most travellers will use when flying to Helsinki from London. Booking flights from London to Helsinki-Vantaa (HEL) should be relatively easy as there are 24 daily inbound flights from London from 0 different airlines.

  • How long is the flight from London to Helsinki?

    Departing from London to Helsinki will take you 3h. The distance from London to Helsinki is about 1856 km. This flight may include one or multiple stops.

  • What are the most popular routes from London to Helsinki?

    While some choose either London Luton - Helsinki-Vantaa or London City - Helsinki-Vantaa, London Stansted - Helsinki-Vantaa is the most popular route from London to Helsinki.

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

    No one likes to see their flight delayed. When booking a flight from London to Helsinki consider choosing Malaysia Airlines(82%), Japan Airlines(79%) or SriLankan Airlines(77%), as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to Helsinki?

    Looking for the cheapest flight from London to Helsinki? While on average our users pay $3,429, our data indicates the cheapest price to be $257. The most popular route (London Stansted - Helsinki-Vantaa), is priced around $187.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from London to Helsinki (average of $134). Flying from London to Helsinki in July is currently the most expensive (average of $500). 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

Travelling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa

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When you search for this flight from London to Helsinki, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Helsinki, users can toggle the no change fees filter when performing a flight search.

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Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Helsinki from London today and book when prices fit your budget.

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