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Cheap flights from London to Helsinki from $74

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Helsinki departing on 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Norwegian Logo
10:05 am - 3:05 pmLGW-HEL
3h 00mnonstop
Norwegian Logo
4:40 pm - 5:50 pmHEL-LGW
3h 10mnonstop
$118Norwegian
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Fri, Mar 13 - Sun, Mar 15
Norwegian Logo
10:05 am - 3:05 pmLGW-HEL
3h 00mnonstop
Norwegian Logo
4:40 pm - 5:50 pmHEL-LGW
3h 10mnonstop
$121Norwegian
Find Deal
Fri, Mar 13 - Sun, Mar 15
Multiple Airlines Logo
9:15 am - 10:25 amLGW-HEL
23h 10m1 stop
Multiple Airlines Logo
5:30 am - 8:40 amHEL-LGW
5h 10m1 stop
$141Multiple Airlines
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Tue, Dec 2 - Sat, Dec 6
Norwegian Logo
1:00 pm - 10:25 pmLGW-HEL
7h 25m1 stop
Norwegian Logo
7:40 am - 12:20 pmHEL-LGW
6h 40m1 stop
$143Norwegian
Find Deal
Tue, Mar 24 - Wed, Mar 25
Norwegian Logo
1:00 pm - 10:25 pmLGW-HEL
7h 25m1 stop
Norwegian Logo
7:40 am - 4:20 pmHEL-LGW
10h 40m1 stop
$144Norwegian
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Tue, Mar 24 - Wed, Mar 25
Multiple Airlines Logo
9:15 am - 10:25 pmLGW-HEL
11h 10m1 stop
Multiple Airlines Logo
5:30 am - 8:40 amHEL-LGW
5h 10m1 stop
$148Multiple Airlines
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Tue, Dec 2 - Sat, Dec 13
Scandinavian Airlines Logo
6:40 am - 3:25 pmLHR-HEL
6h 45m1 stop
Scandinavian Airlines Logo
6:30 pm - 8:55 amHEL-LHR
16h 25m1 stop
$166Scandinavian Airlines
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Tue, Dec 2 - Sat, Dec 6
Scandinavian Airlines Logo
6:40 am - 3:25 pmLHR-HEL
6h 45m1 stop
Scandinavian Airlines Logo
6:30 pm - 8:55 amHEL-LHR
16h 25m1 stop
$176Scandinavian Airlines
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Tue, Dec 2 - Sat, Dec 13
Lufthansa Logo
1:50 pm - 11:35 pmLHR-HEL
7h 45m1 stop
Lufthansa Logo
6:50 am - 1:00 pmHEL-LHR
8h 10m1 stop
$213Lufthansa
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Fri, Feb 27 - Mon, Mar 2
Finnair Logo
6:10 pm - 11:00 pmLHR-HEL
2h 50mnonstop
Finnair Logo
4:00 pm - 5:00 pmHEL-LHR
3h 00mnonstop
$268Finnair
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Tue, Mar 3 - Sat, Mar 7

Norwegian flights from London to Helsinki

Our best Norwegian deals on London to Helsinki flight tickets
Norwegian
Mar 13
LGW10:05 amLondon Gatwick
3h 00m
HEL3:05 pmHelsinki-Vantaa
Mar 15
HEL4:40 pmHelsinki-Vantaa
3h 10m
LGW5:50 pmLondon Gatwick
$118
Find similar
Norwegian
Mar 13
LGW10:05 amLondon Gatwick
3h 00m
HEL3:05 pmHelsinki-Vantaa
Mar 15
HEL4:40 pmHelsinki-Vantaa
3h 10m
LGW5:50 pmLondon Gatwick
$121
Find similar
Norwegian
Mar 24
LGW1:00 pmLondon Gatwick
7h 25m
1 stop
HEL10:25 pmHelsinki-Vantaa
Mar 25
HEL7:40 amHelsinki-Vantaa
6h 40m
1 stop
LGW12:20 pmLondon Gatwick
$143
Find similar

KLM flights from London to Helsinki

Our best KLM deals on London to Helsinki flight tickets
KLM
Jan 9
LHR10:00 amLondon Heathrow
5h 25m
1 stop
HEL5:25 pmHelsinki-Vantaa
Jan 10
HEL7:00 amHelsinki-Vantaa
7h 05m
1 stop
LHR12:05 pmLondon Heathrow
$230
Find similar
KLM
Apr 1
LHR9:55 amLondon Heathrow
5h 45m
1 stop
HEL5:40 pmHelsinki-Vantaa
Apr 7
HEL7:00 amHelsinki-Vantaa
5h 45m
1 stop
LHR10:45 amLondon Heathrow
$233
Find similar
KLM
Nov 8
LHR8:40 amLondon Heathrow
6h 45m
1 stop
HEL5:25 pmHelsinki-Vantaa
Nov 9
HEL7:00 amHelsinki-Vantaa
7h 05m
1 stop
LHR12:05 pmLondon Heathrow
$352
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 5, 2025.
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

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 3/13

10:05 am-3:05 pm

Nonstop3h 00m

Helsinki-Vantaa

Sun 3/15

4:40 pm-5:50 pm

Nonstop3h 10m

$118

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 3/13

10:05 am-3:05 pm

Nonstop3h 00m

Helsinki-Vantaa

Sun 3/15

4:40 pm-5:50 pm

Nonstop3h 10m

$121

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Tue 12/2

9:15 am-10:25 am

1 stop23h 10m

Helsinki-Vantaa

Sat 12/6

5:30 am-8:40 am

1 stop5h 10m

$141

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Tue 3/24

1:00 pm-10:25 pm

1 stop7h 25m

Helsinki-Vantaa

Wed 3/25

7:40 am-12:20 pm

1 stop6h 40m

$143

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Tue 3/24

1:00 pm-10:25 pm

1 stop7h 25m

Helsinki-Vantaa

Wed 3/25

7:40 am-4:20 pm

1 stop10h 40m

$144

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Tue 12/2

9:15 am-10:25 pm

1 stop11h 10m

Helsinki-Vantaa

Sat 12/13

5:30 am-8:40 am

1 stop5h 10m

$148

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Tue 12/2

6:40 am-3:25 pm

1 stop6h 45m

Helsinki-Vantaa

Sat 12/6

6:30 pm-8:55 am

1 stop16h 25m

$166

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Tue 12/2

6:40 am-3:25 pm

1 stop6h 45m

Helsinki-Vantaa

Sat 12/13

6:30 pm-8:55 am

1 stop16h 25m

$176

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Fri 2/27

1:50 pm-11:35 pm

1 stop7h 45m

Helsinki-Vantaa

Mon 3/2

6:50 am-1:00 pm

1 stop8h 10m

$213

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Tue 3/3

6:10 pm-11:00 pm

Nonstop2h 50m

Helsinki-Vantaa

Sat 3/7

4:00 pm-5:00 pm

Nonstop3h 00m

$268

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Helsinki from

How to get the cheapest flight ticket from London to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Helsinki?

What is the cheapest month to fly to Helsinki?

The month of January is, on average, the cheapest month to fly to Helsinki from London, with most prices found around $95. If you aren’t able to travel during the month of January, then book flights to Helsinki from London during March instead. Flights to Helsinki in March, while not as cheap as those in January, still average around $138.

What is the cheapest day to depart on your flight to Helsinki?

The cheapest day to depart on your flight to Helsinki is on a Wednesday when prices can be found for as low as $322. This is often the case because there is less demand to fly during this day of the week. Flights from London to Helsinki on a Monday will generally be more expensive and average around $546. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Helsinki?

According to our data, the cheapest time of day to fly to Helsinki is in the evening. momondo users have found flights departing from London to Helsinki in the evening for as low as $126. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Helsinki, so prices are often more expensive at around $525 per ticket.

What is the cheapest London to Helsinki-Vantaa flight route?

Fly from London Stansted to Helsinki-Vantaa for the best London - Helsinki-Vantaa flight prices

How far in advance should I book a flight to Helsinki?

You are more likely to see cheaper flights to Helsinki from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $283 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from London for as low as $234 on momondo.

What cabin class options are available on London to Helsinki-Vantaa flights?

There are 3 cabin classes available to choose from on London to Helsinki-Vantaa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Helsinki flights?

No. A direct flight is the cheapest option for a flight between London to Helsinki.

How have London to Helsinki flight prices changed over time?

As of November 2025, prices for London to Helsinki flights are approximately 26% more expensive when compared to flights at the same time last year.

When to book flights from London to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from London to Helsinki according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London to Helsinki (LON to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Helsinki

Best Price Found

$34

Fastest flight time

2h 50m

Direct flights

Every day

Airports in Helsinki

1 airport
The best one-way flight to Helsinki from London in the past 72 hours is $34. The best round-trip flight deal from London to Helsinki found on momondo in the last 72 hours is $73.
The fastest flight from London to Helsinki takes 2h 50m
Direct flights go from London to Helsinki every day.
There is 1 airport near Helsinki: Helsinki-Vantaa (HEL)
Search flight deals

  • How far is London to Helsinki-Vantaa by plane?

    Helsinki-Vantaa is 1130.7 mi away from London. In terms of flight time, this usually takes a little over 2h 50m.

  • When did momondo last update prices for flights from London to Helsinki-Vantaa Airport?

    Prices for flights from London to Helsinki-Vantaa Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from London to Helsinki-Vantaa Airport?

  • How old do you have to be to fly from London to Helsinki-Vantaa Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Helsinki-Vantaa Airport.

  • What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

    The necessary travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Helsinki?

  • What is the most popular airline from London to Helsinki?

Best airlines flying from London to Helsinki

Compare and see reviews for airlines that fly from London to Helsinki with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom $70Free CancellationRating
6.8
5,186 reviews
Search Ryanair flights
Scandinavian AirlinesPriceFrom $159Free CancellationRating
7.4
1,560 reviews
Search Scandinavian Airlines flights
NorwegianPriceFrom $170Free CancellationRating
7.8
238 reviews
Search Norwegian flights
FinnairPriceFrom $197Free CancellationRating
7.6
1,335 reviews
Search Finnair flights

  • Finnair Flights From London to Helsinki

    Finnair operates around 20 flights from London to Helsinki every week. The average price of these flights found in the last 72 hours has been $313, but momondo users have found Finnair deals from London to Helsinki from as low as $197 round-trip. Finnair has been scored 7.6/10 in 1,335 reviews.

  • Ryanair Flights From London to Helsinki

    $70 is the best Ryanair flight deal from London to Helsinki found on momondo over the last 72 hours. The average Ryanair ticket price found was closer to $99, however, with flight time and availability significantly affecting the price. Ryanair (6.8/10 from 5,186 user reviews) flies into Helsinki from London 2 times in an average week so prices can vary.

Traveling to a place near Helsinki?

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

Why use momondo?

Why should I use momondo to find a flight deal from London to Helsinki?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Helsinki. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Helsinki with flexible booking policies on momondo?

Yes. All flights to Helsinki from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Helsinki?

Once you have performed a search for London to Helsinki flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Helsinki right now. Can momondo alert me if prices change?

Price alerts on flights to Helsinki from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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