Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Boston to Helsinki
The cheapest flights right now
Boston – Helsinki
Outbound – Nov 23, 2026
1 stop
10h 0m CPH
Return – Dec 8, 2026
2 stops
15h 45m ARN
CPH
$601
yesterday
Boston – Helsinki
Outbound – Nov 23, 2026
1 stop
13h 50m FRA
Return – Dec 8, 2026
1 stop
13h 0m MUC
$576
yesterday
Boston – Helsinki
Outbound – Nov 24, 2026
1 stop
10h 10m KEF
Return – Dec 8, 2026
1 stop
10h 50m KEF
$435
yesterday
Boston – Helsinki
Outbound – Nov 23, 2026
1 stop
13h 50m FRA
Return – Dec 8, 2026
1 stop
13h 0m MUC
$567
yesterday
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$372
Average price of a round trip
$415
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
17h22
A flight from Boston to Helsinki takes on average 17h22.
Best time
December
According to user searches, the ideal month to go to Helsinki is December.
Tips for finding a cheap flight from Boston to Helsinki
Check out our tips for booking your flight to Helsinki (Finland) from Boston (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is September, with an average flight ticket price of $395 (calculation over the last two years). The most touristic season corresponds to the months of October, September and November.
For the cheapest flights, it is advisable to buy your ticket at least 17 days before the departure date.
The airline offering the cheapest flight tickets is Scandinavian Airlines. A ticket from the airline Scandinavian Airlines to Helsinki costs on average $389.
The airlines that offer the most flights are .
Price of flight tickets from Boston to Helsinki
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $372 to $566
- The average price of a flight ticket is about $415
- Prices are lowest for stays in the month of September
- The month in which booking a ticket is cheaper is: October
info departure city :
Boston, USA
airport :
Boston-Logan International Airport (BOS)
local time :
Boston is a city in the country USA, the time zone is [[timezone]]. In Boston, it is currently {fromLocalTime}, the temperature is on average 14°C, with a minimum of 10°C and a maximum of 17°C.
The city of Boston has 1 airport(s): Boston-Logan
destination info :
Helsinki, Finland
airports :
Helsinki-Vantaa Airport (HEL)
Helsinki-Malmi Airport (HEM)
local time :
Helsinki is in the country Finland, the time zone is [[timezone]]. In Helsinki, it is currently {toLocalTime}, the temperature is on average 11°C, with a minimum of 10°C and a maximum of 12°C.
The city of Helsinki (HEL) has 2 airport(s): Helsinki-Vantaa and Helsinki-Malmi
Useful info about Helsinki
What is the least touristic period to go to Helsinki?
If you want to visit Helsinki during the least touristic period, choose the month of December.
What is the most popular time to travel to Helsinki?
In Helsinki, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Boston to Helsinki?
According to our data, it is recommended to book your flight 17 days before your departure. If you book your flight ticket 3 weeks before your departure, you may find a price below average. You can also choose morning flights that are 21% cheaper than afternoon and evening flights. The cheapest day to book a flight from Boston to Helsinki is Monday.
What are the arrival and destination airports when traveling between Boston and Helsinki?
When you leave, you can leave from Boston-Logan, and you will arrive at Helsinki-Vantaa.
How to reach Boston airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Boston to Helsinki?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Boston and Helsinki?
In summer, the average temperature is 17°C in Helsinki and 22°C in Boston. The average rainfall in summer is 80 mm in Helsinki and 106 mm in Boston. In summer, it is warmer in Boston and it rains less in Helsinki. In winter, it is colder in Boston and it rains more in Boston.
