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$325+ Cheap flights from Boston (BOS) to Helsinki (HEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — HEL
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Helsinki-Vantaa are usually found in November or January, booked 86 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Boston to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$460
(Mytrip)

One-way from

$325
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$498
Provider with most accurate pricing for Boston Logan Intl-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Helsinki-Vantaa flights.
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From Boston Logan Intl to Helsinki-Vantaa
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One-way flight from Boston Logan Intl to Helsinki-Vantaa
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Highest demand for flights based on searches. 25% potential increase in price ($206 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Boston to Helsinki

Cheapest flights from Boston to Helsinki
Explore the most affordable flight options available from Boston to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/315:40 pmBOS - HEL
2 stops36h 10mScandinavian Airlines
Wed 4/166:35 amHEL - BOS
1 stop16h 00mScandinavian Airlines
Deal found 3/27$447
This Mytrip deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1411:35 pmBOS - HEL
1 stop31h 25mIcelandair
Sat 5/243:00 pmHEL - BOS
1 stop27h 35mIcelandair
Deal found 3/27$460
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/289:00 amBOS - HEL
2 stops20h 50mDelta
Thu 5/87:15 amHEL - BOS
2 stops18h 51mDelta
Deal found 3/27$534
This Mytrip deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/307:15 pmBOS - HEL
3 stops32h 15mMultiple Airlines
Mon 5/53:40 pmHEL - BOS
3 stops33h 10mMultiple Airlines
Deal found 3/27$563
This oojo deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/267:25 amBOS - HEL
2 stops20h 50mBritish Airways
Mon 6/96:55 pmHEL - BOS
2 stops29h 15mBritish Airways
Deal found 3/27$591
This Air Canada deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/296:35 amBOS - HEL
2 stops29h 20mAir Canada
Wed 5/76:10 amHEL - BOS
2 stops34h 25mAir Canada
Deal found 3/27$607
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/205:30 pmBOS - HEL
1 stop13h 45mAmerican Airlines
Tue 4/295:15 pmHEL - BOS
1 stop13h 11mAmerican Airlines
Deal found 3/27$623
This Lufthansa deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/278:05 pmBOS - HEL
1 stop20h 45mLufthansa
Wed 5/76:10 amHEL - BOS
2 stops24h 49mLufthansa
Deal found 3/27$629
This Finnair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/245:56 pmBOS - HEL
1 stop13h 04mFinnair
Tue 8/125:15 pmHEL - BOS
1 stop14h 06mFinnair
Deal found 3/27$630
This KLM deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/254:45 pmBOS - HEL
1 stop13h 15mKLM
Tue 5/67:00 amHEL - BOS
1 stop18h 20mKLM
Deal found 3/28$650
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/118:05 pmBOS - HEL
1 stop15h 50mUnited Airlines
Sun 5/1812:40 pmHEL - BOS
1 stop12h 00mUnited Airlines
Deal found 3/27$678
This oojo deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/69:35 pmBOS - HEL
1 stop14h 05mTurkish Airlines
Sat 4/127:35 pmHEL - BOS
1 stop31h 05mTurkish Airlines
Deal found 3/27$698

Cheapflights Fare Finder

Customize your flight search to find flights from Boston 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, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Boston to Helsinki that are best for you.

Fly from

Boston

Fly to

Helsinki

Route

Depart

Return

Price

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Wed 5/14

11:35 pm-2:00 pm

1 stop31h 25m

Helsinki-Vantaa

Sat 5/24

3:00 pm-11:35 am

1 stop27h 35m

$460

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Wed 5/14

6:25 am-4:55 pm

2 stops27h 30m

Helsinki-Vantaa

Sat 5/24

6:35 am-3:35 pm

1 stop16h 00m

$529

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Mon 4/28

9:00 am-12:50 pm

2 stops20h 50m

Helsinki-Vantaa

Thu 5/8

7:15 am-7:06 pm

2 stops18h 51m

$534

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Wed 4/30

7:15 pm-10:30 am

3 stops32h 15m

Helsinki-Vantaa

Mon 5/5

3:40 pm-5:50 pm

3 stops33h 10m

$563

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Mon 5/26

7:25 am-11:15 am

2 stops20h 50m

Helsinki-Vantaa

Mon 6/9

6:55 pm-5:10 pm

2 stops29h 15m

$591

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Tue 4/29

6:35 am-6:55 pm

2 stops29h 20m

Helsinki-Vantaa

Wed 5/7

6:10 am-9:35 am

2 stops34h 25m

$607

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Sun 4/20

5:30 pm-2:15 pm

1 stop13h 45m

Helsinki-Vantaa

Tue 4/29

5:15 pm-11:26 pm

1 stop13h 11m

$623

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Sun 4/27

8:05 pm-11:50 pm

1 stop20h 45m

Helsinki-Vantaa

Wed 5/7

6:10 am-11:59 pm

2 stops24h 49m

$629

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Thu 7/24

5:56 pm-2:00 pm

1 stop13h 04m

Helsinki-Vantaa

Tue 8/12

5:15 pm-12:21 am

1 stop14h 06m

$630

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Fri 4/25

4:45 pm-1:00 pm

1 stop13h 15m

Helsinki-Vantaa

Tue 5/6

7:00 am-6:20 pm

1 stop18h 20m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 24 results
1
2
3

Compare providers for flights from Boston to Helsinki

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Helsinki in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Helsinki flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Helsinki flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Helsinki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Helsinki. Price data was last updated on March 21, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Helsinki, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Boston to Helsinki (average of $444). Flying from Boston to Helsinki in June is currently the most expensive (average of $1,136). 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 BOS to HEL?

Find hourly flight availability from Boston to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

It’s optimal to fly from Boston to Helsinki in the evening. By choosing this option you can save up to 77% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Boston to Helsinki?

Use this chart to determine the cheapest time to fly round-trip from Boston to Helsinki. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Helsinki flight should consider departing on Tuesday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Helsinki by month

Plan your trip to Helsinki by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Helsinki ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Helsinki when rainfall is around 1.2 in.

Temperature in Helsinki by month

Plan your trip to Helsinki by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Helsinki, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helsinki. Reviews last updated March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Boston to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Boston to Helsinki round-trip?

    Icelandair, at $460, was found to be the cheapest airline from Boston to Helsinki.Alternate airlines to your destination round-trip include Scandinavian Airlines and Delta. These flights start at 23% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Boston to Helsinki one-way?

    The cheapest airlines for a one-way flight from Boston to Helsinki are Scandinavian Airlines ($464), British Airways ($471), and Icelandair ($484).

  • Can I find deals for flights from Boston to Helsinki that include hotel bookings?

    Yes. In addition to deals on Boston to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Helsinki?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Helsinki.

  • Can I find deals for business class flights from Boston to Helsinki?

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Helsinki?

    Currently, November is the cheapest month in which you can book a flight from Boston to Helsinki (average of $444). Flying from Boston to Helsinki in June is currently the most expensive (average of $1,136). 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

Traveling to a place near Boston?

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

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Alternative routes for Boston to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.
Hartford to Helsinki flights
Boston to Oulu flights
Boston to Rovaniemi flights

Top 10 airlines flying from Boston to Helsinki

Discover the top 10 airlines that operate flights from Boston to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$355Average$465FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$380Average$539FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$436Average$699FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$447Average$782FlexibilityNo cancel feeOn-time71%
FinnairCheapest$458Average$678FlexibilityNo cancel feeOn-time76%
DeltaCheapest$493Average$760FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$493Average$700FlexibilityNo cancel feeOn-time77%
KLMCheapest$500Average$775FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$581Average$771FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$597Average$860FlexibilityNo cancel feeOn-time69%
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