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Cheap flights from London to Helsinki from $102

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 9/22. 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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Find the cheapest flights from London to Helsinki (LON-HEL)

Cheap round-trip flights

Norwegian Logo
9:55 am - 2:45 pmLGW-HEL
2h 50mnonstop
Norwegian Logo
1:45 pm - 8:10 pmHEL-LGW
8h 25m1 stop
$158Norwegian
Find Deal
Thu, Oct 9 - Tue, Oct 14
airBaltic Logo
9:25 am - 8:00 amLGW-HEL
20h 35m1 stop
airBaltic Logo
9:20 pm - 4:45 pmHEL-LGW
21h 25m1 stop
$159airBaltic
Find Deal
Fri, Jan 2 - Tue, Jan 6
airBaltic Logo
9:25 am - 8:00 amLGW-HEL
20h 35m1 stop
airBaltic Logo
9:20 pm - 4:45 pmHEL-LGW
21h 25m1 stop
$160airBaltic
Find Deal
Fri, Jan 2 - Tue, Jan 6
Norwegian Logo
9:50 am - 2:40 pmLGW-HEL
2h 50mnonstop
Norwegian Logo
8:05 am - 9:10 amHEL-LGW
3h 05mnonstop
$161Norwegian
Find Deal
Fri, Oct 10 - Fri, Oct 17
Logo
9:55 am - 2:45 pmLGW-HEL
2h 50mnonstop
Logo
5:35 am - 10:20 amHEL-LGW
6h 45m2 stops
$168
Find Deal
Thu, Oct 9 - Tue, Oct 14
Scandinavian Airlines Logo
9:55 am - 11:35 pmLHR-HEL
11h 40m1 stop
Scandinavian Airlines Logo
7:10 am - 12:55 pmHEL-LHR
7h 45m1 stop
$169Scandinavian Airlines
Find Deal
Fri, Oct 10 - Fri, Oct 17
Scandinavian Airlines Logo
6:40 am - 8:25 pmLHR-HEL
11h 45m1 stop
Scandinavian Airlines Logo
5:35 pm - 9:20 pmHEL-LHR
5h 45m1 stop
$174Scandinavian Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 15
Logo
6:40 am - 4:55 pmLHR-HEL
8h 15m1 stop
Logo
9:05 pm - 10:10 pmHEL-LHR
3h 05mnonstop
$197
Find Deal
Thu, Sep 11 - Mon, Sep 15
Finnair Logo
9:30 am - 2:20 pmLHR-HEL
2h 50mnonstop
Finnair Logo
9:05 pm - 10:10 pmHEL-LHR
3h 05mnonstop
$226Finnair
Find Deal
Wed, Oct 8 - Wed, Oct 15
Finnair Logo
7:30 am - 12:20 pmLHR-HEL
2h 50mnonstop
Finnair Logo
7:50 am - 9:10 amHEL-LHR
3h 20mnonstop
$227Finnair
Find Deal
Thu, Nov 20 - Wed, Nov 26

Norwegian flights from London to Helsinki

Our best Norwegian deals on London to Helsinki flight tickets
Norwegian
Oct 9
LGW9:55 amLondon Gatwick
2h 50m
HEL2:45 pmHelsinki-Vantaa
Oct 14
HEL1:45 pmHelsinki-Vantaa
8h 25m
1 stop
LGW8:10 pmLondon Gatwick
$158
Find similar
Norwegian
Oct 10
LGW9:50 amLondon Gatwick
2h 50m
HEL2:40 pmHelsinki-Vantaa
Oct 17
HEL8:05 amHelsinki-Vantaa
3h 05m
LGW9:10 amLondon Gatwick
$161
Find similar
Norwegian
Oct 9
LGW9:55 amLondon Gatwick
2h 50m
HEL2:45 pmHelsinki-Vantaa
Oct 16
HEL7:05 amHelsinki-Vantaa
27h 35m
2 stops
LGW8:40 amLondon Gatwick
$162
Find similar

airBaltic flights from London to Helsinki

Our best airBaltic deals on London to Helsinki flight tickets
airBaltic
Jan 2
LGW9:25 amLondon Gatwick
20h 35m
1 stop
HEL8:00 amHelsinki-Vantaa
Jan 6
HEL9:20 pmHelsinki-Vantaa
21h 25m
1 stop
LGW4:45 pmLondon Gatwick
$159
Find similar
airBaltic
Jan 2
LGW9:25 amLondon Gatwick
20h 35m
1 stop
HEL8:00 amHelsinki-Vantaa
Jan 6
HEL9:20 pmHelsinki-Vantaa
21h 25m
1 stop
LGW4:45 pmLondon Gatwick
$160
Find similar
airBaltic
Dec 12
LGW5:35 pmLondon Gatwick
4h 55m
1 stop
HEL12:30 amHelsinki-Vantaa
Dec 15
HEL5:30 amHelsinki-Vantaa
5h 10m
1 stop
LGW8:40 amLondon Gatwick
$189
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 August 26, 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

Thu 10/9

9:55 am-2:45 pm

Nonstop2h 50m

Helsinki-Vantaa

Tue 10/14

1:45 pm-8:10 pm

1 stop8h 25m

$158

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 1/2

9:25 am-8:00 am

1 stop20h 35m

Helsinki-Vantaa

Tue 1/6

9:20 pm-4:45 pm

1 stop21h 25m

$159

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 1/2

9:25 am-8:00 am

1 stop20h 35m

Helsinki-Vantaa

Tue 1/6

9:20 pm-4:45 pm

1 stop21h 25m

$160

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 10/10

9:50 am-2:40 pm

Nonstop2h 50m

Helsinki-Vantaa

Fri 10/17

8:05 am-9:10 am

Nonstop3h 05m

$161

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 10/9

9:55 am-2:45 pm

Nonstop2h 50m

Helsinki-Vantaa

Tue 10/14

5:35 am-10:20 am

2 stops6h 45m

$168

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Fri 10/10

9:55 am-11:35 pm

1 stop11h 40m

Helsinki-Vantaa

Fri 10/17

7:10 am-12:55 pm

1 stop7h 45m

$169

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Wed 10/8

6:40 am-8:25 pm

1 stop11h 45m

Helsinki-Vantaa

Wed 10/15

5:35 pm-9:20 pm

1 stop5h 45m

$174

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Thu 9/11

6:40 am-4:55 pm

1 stop8h 15m

Helsinki-Vantaa

Mon 9/15

9:05 pm-10:10 pm

Nonstop3h 05m

$197

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Wed 10/8

9:30 am-2:20 pm

Nonstop2h 50m

Helsinki-Vantaa

Wed 10/15

9:05 pm-10:10 pm

Nonstop3h 05m

$226

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Thu 11/20

7:30 am-12:20 pm

Nonstop2h 50m

Helsinki-Vantaa

Wed 11/26

7:50 am-9:10 am

Nonstop3h 20m

$227

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 November is, on average, the cheapest month to fly to Helsinki from London, with most prices found around $81. If you aren’t able to travel during the month of November, then book flights to Helsinki from London during March instead. Flights to Helsinki in March, while not as cheap as those in November, 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 Thursday when prices can be found for as low as $390. 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 Saturday will generally be more expensive and average around $599. 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. In the afternoon is when there is more demand to fly to Helsinki, so prices are often more expensive at around $524 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 $282 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 $244 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 August 2025, prices for London to Helsinki flights are approximately 80% 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

$141

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 $141. The best round-trip flight deal from London to Helsinki found on momondo in the last 72 hours is $90.
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
NorwegianPriceFrom $134Free CancellationRating
7.8
233 reviews
Search Norwegian flights
Scandinavian AirlinesPriceFrom $159Free CancellationRating
7.4
1,477 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom $197Free CancellationRating
7.6
1,320 reviews
Search Finnair flights

  • Finnair Flights From London to Helsinki

    Finnair operates around 38 flights from London to Helsinki every week. The average price of these flights found in the last 72 hours has been $314, 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 1,320 reviews.

Traveling to a place near Helsinki?

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

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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