Best time to go: what is the RIGHT price for a round-trip flight to Helsinki (from: London)

The average price to go to Helsinki from London airport is $ 171 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 122 (in march) and $ 239 (in december), which is a saving of $ 49 or a surplus of $ 68 (compared to the average price) depending on the period you leave.

The analysis of all prices reveals that the most frequent price is between $109 to $164 and it is generally more economical to leave on a wednesday and return on a monday on a flight with 1 or more layovers.

Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Helsinki before booking your flight.

If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your London-Helsinki plane ticket.

How are these data calculated?

We have studied a sample of 60000 airfare prices from previous years for flights to Helsinki from London and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.

Average price depending on the departure month

Created with Highcharts 8.2.2 $141 $141 $157 $157 $122 $122 $167 $167 $159 $159 $181 $181 $226 $226 $213 $213 $142 $142 $163 $163 $137 $137 $239 $239Average price of round-trip airfare in USD according to the departure monthjan.feb.mar.apr.mayjun.jul.aug.sep.oct.nov.dec.050100150200250

Data analysis:

By leaving in march, the price of the plane ticket will statistically be the cheapest ($ 122, saving $ 49 compared to the average price over the year which is $ 171). Conversely, december will be the most expensive ($ 239).

Flight London-Helsinki: when is the best time to go for the best price?

Month Good price* Average price Our opinion
January$ 104 $ 141 good price
February$ 113 $ 157 good price
March$ 101 $ 122 very good price
April$ 126 $ 167 fair price
May$ 126 $ 159 good price
June$ 164 $ 181 fair price
July$ 203 $ 226 high price
August$ 175 $ 213 high price
September$ 118 $ 142 good price
October$ 126 $ 163 fair price
November$ 106 $ 137 good price
December$ 186 $ 239 very high price

*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!

Price breakdown to travel from London to Helsinki

Created with Highcharts 8.2.21%1%22%22%34%34%22%22%12%12%4%4%2%2%Percentage of plane tickets found at this price$0 to $55$55 to $109$109 to $164$164 to $218$218 to $273$273 to $327$327 to $381010203040

Data analysis:

The prices for flights from London to Helsinki range from $0 to $381. 1% of tickets were purchased at the minimum price (from $0 to $55), 2% at the maximum price (from $327 to $381). The majority of plane tickets were purchased in the range of $109 to $164 (34% of tickets).

Cheapest airlines for the London->Helsinki flight

There are 6 companies that serve London from Helsinki airport: Ryanair, Diamond Sakha Airlines, Finnair, AirBaltic, SAS and Norwegian.

Created with Highcharts 8.2.2Ryanair: 48 %Ryanair: 48 %Diamond Sakha Airlines: 27 %Diamond Sakha Airlines: 27 %Finnair: 8 %Finnair: 8 %AirBaltic: 7 %AirBaltic: 7 %SAS: 5 %SAS: 5 %Norwegian: 1 %Norwegian: 1 %

Data analysis:

Of the 60000 flights analyzed in previous years, Ryanair was the airline that offered the best fare most often in the flight ticket search results (48% of the time) on the London->Helsinki route.

Direct flight or flight with layover?

Created with Highcharts 8.2.2 $172 $172 $167 $167Average ticket price: direct flight or flight with layover(s)Direct flightFlight with layover5075100125150175200

Data analysis:

To get the best price for the London-Helsinki flight, you should take a flight with one or more layovers (you will save an average of $ 5.4 compared to a direct flight).

Which day of the week to leave?

Created with Highcharts 8.2.2 $ +16 $ +16 $ -1 $ -1 $ -5 $ -5 $ -12 $ -12 $ -8 $ -8 $ +6 $ +6 $ +16 $ +16Average airfare price according to the departure daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-15-10-505101520

Data analysis:

Statistically, London-Helsinki flights departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday as your departure date, you can save an average of $12. On the other hand, departing on a sunday may cost you an additional $16.

Which day of the week to come back?

Created with Highcharts 8.2.2 $ +10 $ +10 $ -7 $ -7 $ -7 $ -7 $ -3 $ -3 $ -3 $ -3 $ +10 $ +10 $ +4 $ +4Average airfare price based on the return daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-10-5051015

Data analysis:

Statistically, return flights from Helsinki to London departing on a monday are cheaper than on other days of the week. By choosing a monday for your return date, you will save an average of $7. Conversely, departing from Helsinki on a sunday may cost you an additional $10.


Top prices London-Helsinki

Round tripDatesPrice
London → Helsinki01-05 to 06-05-2025$ 93 
London → Helsinki20-05 to 25-05-2025$ 91 
London → Helsinki11-06 to 18-06-2025$ 93 
London → Helsinki21-11 to 28-11-2025$ 86 
London → Helsinki23-11 to 30-11-2025$ 91 
London → Helsinki25-11 to 30-11-2025$ 91 
London → Helsinki08-01 to 15-01-2026$ 85 
London → Helsinki10-01 to 15-01-2026$ 88 
London → Helsinki18-01 to 25-01-2026$ 93 
London → Helsinki25-01 to 29-01-2026$ 88 


When to book your flight London - Helsinki to get the cheapest price?

Statistically, you will make the biggest savings by buying your plane ticket between 1 to 2 months in advance. However, you may end up paying a high price if you book between 0 to 1 month in advance.

Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a London-Helsinki flight, it is recommended to book your ticket on a wednesday.

How far in advance should I buy my flight?

Created with Highcharts 8.2.2 $232 $232 $153 $153 $153 $153 $156 $156 $158 $158 $168 $168 $168 $168 $165 $165 $163 $163 $165 $165 $165 $165 $198 $198Average airfare price based on the number of months between booking and flight0 to 1 month1 to 2 months2 to 3 months3 to 4 months4 to 5 months5 to 6 months6 to 7 months7 to 8 months8 to 9 months9 to 10 months10 to 11 months11 to 12 months50100150200250

Data analysis:

To get the cheapest flight ticket from London to Helsinki, it is recommended to buy it 1 to 2 months before departure (it is then on average 153 $, which is a saving of 18 $ compared to the overall average price). On the other hand, if you buy your ticket 0 to 1 month in advance, you will pay the full price (61 $ more than the average price).

Depending on the departure month

The best time to buy your London to Helsinki flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.

Departure on... How far in advance should I book?
January

Best time: 1 to 2 months before departure (average price: 119 $)

Other interesting period(s): 2 to 3 months ($ 126), 4 to 5 months ($ 133), 5 to 6 months ($ 130), 6 to 7 months ($ 135), 7 to 8 months ($ 131), 8 to 9 months ($ 140), 9 to 10 months ($ 138), 10 to 11 months ($ 133)

February

Best time: 1 to 2 months before departure (average price: 127 $)

Other interesting period(s): 2 to 3 months ($ 131), 3 to 4 months ($ 137), 4 to 5 months ($ 144), 5 to 6 months ($ 142), 6 to 7 months ($ 147), 7 to 8 months ($ 150), 8 to 9 months ($ 149)

March

Best time: 2 to 3 months before departure (average price: 104 $)

Other interesting period(s): 1 to 2 months ($ 113), 3 to 4 months ($ 118), 4 to 5 months ($ 118), 5 to 6 months ($ 118), 6 to 7 months ($ 105), 7 to 8 months ($ 106), 8 to 9 months ($ 114), 9 to 10 months ($ 116), 10 to 11 months ($ 114), 11 to 12 months ($ 122)

April

Best time: 7 to 8 months before departure (average price: 140 $)

Other interesting period(s): 2 to 3 months ($ 164), 3 to 4 months ($ 155), 4 to 5 months ($ 151), 8 to 9 months ($ 141), 9 to 10 months ($ 155)

May

Best time: 8 to 9 months before departure (average price: 139 $)

Other interesting period(s): 2 to 3 months ($ 155), 3 to 4 months ($ 151), 4 to 5 months ($ 143), 5 to 6 months ($ 158), 9 to 10 months ($ 146), 10 to 11 months ($ 153), 11 to 12 months ($ 143)

June

Best time: 7 to 8 months before departure (average price: 164 $)

Other interesting period(s): 4 to 5 months ($ 176), 5 to 6 months ($ 165), 6 to 7 months ($ 176), 8 to 9 months ($ 176), 9 to 10 months ($ 167)

July

Best time: 6 to 7 months before departure (average price: 191 $)

Other interesting period(s): 4 to 5 months ($ 223), 5 to 6 months ($ 215), 7 to 8 months ($ 217), 8 to 9 months ($ 207), 9 to 10 months ($ 216), 10 to 11 months ($ 220)

August

Best time: 11 to 12 months before departure (average price: 181 $)

Other interesting period(s): 2 to 3 months ($ 208), 3 to 4 months ($ 204), 4 to 5 months ($ 199), 6 to 7 months ($ 203), 7 to 8 months ($ 190), 8 to 9 months ($ 203), 10 to 11 months ($ 202)

September

Best time: 1 to 2 months before departure (average price: 125 $)

Other interesting period(s): 2 to 3 months ($ 137), 3 to 4 months ($ 134), 6 to 7 months ($ 139), 7 to 8 months ($ 132), 8 to 9 months ($ 127), 9 to 10 months ($ 142), 10 to 11 months ($ 128)

October

Best time: 1 to 2 months before departure (average price: 125 $)

Other interesting period(s): 2 to 3 months ($ 134), 3 to 4 months ($ 137), 4 to 5 months ($ 138), 5 to 6 months ($ 156), 7 to 8 months ($ 163), 9 to 10 months ($ 150), 10 to 11 months ($ 163), 11 to 12 months ($ 157)

November

Best time: 2 to 3 months before departure (average price: 86 $)

Other interesting period(s): 1 to 2 months ($ 109), 3 to 4 months ($ 114), 4 to 5 months ($ 126), 5 to 6 months ($ 133), 7 to 8 months ($ 137), 9 to 10 months ($ 122), 10 to 11 months ($ 127)

December

Best time: 3 to 4 months before departure (average price: 203 $)

Other interesting period(s): 1 to 2 months ($ 214), 2 to 3 months ($ 213), 4 to 5 months ($ 212), 5 to 6 months ($ 214), 6 to 7 months ($ 219), 8 to 9 months ($ 231), 10 to 11 months ($ 230)

What day of the week should I book my flight ticket?

Created with Highcharts 8.2.2 $ +2 $ +2 $ +2 $ +2 $ +4 $ +4 $ -2 $ -2 $ 0 $ 0 $ -1 $ -1 $ +3 $ +3Average price of plane ticket according to the booking daysundaymondaytuesdaywednesdaythursdayfridaysaturday-3-2-1012345

Data analysis:

Statistically, wednesday is the day when plane tickets for London->Helsinki are the cheapest. So, by buying your plane ticket on a wednesday, you will save $2. Conversely, by buying it on a tuesday, you may end up paying $4 more.



London to Helsinki: flight price when booking today

Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.

Month Current price
April 2025$ 211
$126 to $312
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May 2025$ 147
$86 to $231
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June 2025$ 144
$93 to $193
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July 2025$ 176
$110 to $279
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August 2025$ 174
$98 to $264
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September 2025$ 107
$94 to $188
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October 2025$ 129
$100 to $226
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November 2025$ 107
$86 to $231
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December 2025$ 232
$117 to $375
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January 2026$ 108
$85 to $220
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February 2026$ 145
$96 to $240
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Data analysis:

Compared to the average price, may, june, july, august, september, october, november, december, january and february are cheaper to travel to Helsinki. So it may be interesting to book now to leave during these months!



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