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$418+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — HEL
avr. 22 — avr. 291
mar. 4/22
mar. 4/29
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 avril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$488
(oojo)

One-way from

$418
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$560
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. 24% potential increase in price ($189 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in April 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 avril 17, 2025.

This CrystalTravel deal was found by Cheapflights users on 4/16. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/315:40 pmBOS - HEL
1 stop9h 55mScandinavian Airlines
mer. 9/1011:15 amHEL - BOS
1 stop11h 20mScandinavian Airlines
Deal found 4/16$483
This oojo deal was found by Cheapflights users on 4/15. 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.
lun. 6/28:50 pmBOS - HEL
1 stop10h 10mIcelandair
dim. 6/83:00 pmHEL - BOS
1 stop10h 50mIcelandair
Deal found 4/15$488
This Expedia deal was found by Cheapflights users on 4/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/36:25 pmBOS - HEL
2 stops21h 50mBritish Airways
mer. 12/104:55 pmHEL - BOS
1 stop12h 50mBritish Airways
Deal found 4/17$524
This United Airlines deal was found by Cheapflights users on 4/16. 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.
mer. 12/33:20 pmBOS - HEL
2 stops18h 30mUnited Airlines
mer. 12/107:00 amHEL - BOS
2 stops18h 42mUnited Airlines
Deal found 4/16$550
This FlightHub deal was found by Cheapflights users on 4/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/118:05 pmBOS - HEL
1 stop15h 50mLufthansa
lun. 8/187:40 pmHEL - BOS
1 stop29h 00mLufthansa
Deal found 4/16$560
This FlightHub deal was found by Cheapflights users on 4/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/36:00 amBOS - HEL
2 stops29h 40mMultiple Airlines
mar. 12/97:25 pmHEL - BOS
1 stop30h 10mMultiple Airlines
Deal found 4/16$561
This FlightHub deal was found by Cheapflights users on 4/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/38:00 pmBOS - HEL
1 stop15h 05mTurkish Airlines
mar. 12/97:00 pmHEL - BOS
1 stop30h 05mTurkish Airlines
Deal found 4/17$574
This Delta deal was found by Cheapflights users on 4/16. 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.
mer. 5/286:35 pmBOS - HEL
1 stop16h 05mDelta
jeu. 6/56:35 amHEL - BOS
2 stops16h 12mDelta
Deal found 4/16$586
This Air Canada deal was found by Cheapflights users on 4/17. 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.
mer. 5/710:20 amBOS - HEL
2 stops19h 30mAir Canada
sam. 5/176:05 amHEL - BOS
2 stops34h 30mAir Canada
Deal found 4/17$743
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/3010:00 pmBOS - HEL
1 stop19h 15mBrussels Airlines
sam. 8/96:10 amHEL - BOS
1 stop16h 30mBrussels Airlines
Deal found 4/16$784
This KLM deal was found by Cheapflights users on 4/16. 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.
mer. 6/188:15 pmBOS - HEL
1 stop14h 25mKLM
mer. 6/256:25 pmHEL - BOS
1 stop28h 55mKLM
Deal found 4/16$934

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 avril 17, 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

lun. 6/2

8:50 pm-2:00 pm

1 stop10h 10m

Helsinki-Vantaa

sam. 6/7

3:00 pm-10:00 pm

1 stop14h 00m

$488

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

ven. 4/25

5:40 pm-10:35 am

1 stop9h 55m

Helsinki-Vantaa

mar. 5/6

6:35 am-3:35 pm

1 stop16h 00m

$564

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

ven. 4/25

8:15 pm-5:40 pm

1 stop14h 25m

Helsinki-Vantaa

mar. 5/6

7:15 am-6:59 pm

2 stops18h 44m

$574

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

dim. 5/11

5:30 am-12:50 pm

2 stops24h 20m

Helsinki-Vantaa

mar. 5/27

6:10 am-9:35 am

2 stops34h 25m

$593

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

dim. 5/11

8:05 pm-11:50 pm

1 stop20h 45m

Helsinki-Vantaa

mar. 5/27

6:00 am-3:40 pm

2 stops16h 40m

$595

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

jeu. 6/12

8:50 pm-12:20 am

3 stops20h 30m

Helsinki-Vantaa

dim. 6/22

9:15 pm-10:00 pm

2 stops31h 45m

$602

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

ven. 4/25

9:35 pm-6:40 pm

1 stop14h 05m

Helsinki-Vantaa

mar. 5/6

12:35 pm-7:40 pm

1 stop38h 05m

$633

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

mer. 6/25

8:10 pm-2:20 pm

1 stop11h 10m

Helsinki-Vantaa

mar. 7/15

9:05 pm-11:20 am

1 stop21h 15m

$722

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

mer. 6/18

8:15 pm-5:40 pm

1 stop14h 25m

Helsinki-Vantaa

mer. 6/25

6:25 pm-4:20 pm

1 stop28h 55m

$934

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

dim. 5/11

3:20 pm-12:50 pm

2 stops14h 30m

Helsinki-Vantaa

mar. 5/27

6:10 am-5:57 pm

2 stops18h 47m

$1,041

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 16 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Helsinki flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 11, 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 $1,123). 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 avril 17, 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 avril 17, 2025.
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

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
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

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
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

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.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

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.
Turkish Airlines
7.3
Good
3,769 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

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.
Scandinavian Airlines
7.3
Good
1,335 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

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 $488, 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 16% 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 Icelandair ($466), Delta ($548), and British Airways ($554).

  • 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 $1,123). 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 Rovaniemi flights
Boston to Oulu 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 avril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$355Average$459FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$380Average$517FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$436Average$717FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$447Average$770FlexibilityNo cancel feeOn-time71%
FinnairCheapest$456Average$656FlexibilityNo cancel feeOn-time76%
DeltaCheapest$493Average$771FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$493Average$724FlexibilityNo cancel feeOn-time77%
KLMCheapest$500Average$775FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$585Average$779FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$597Average$860FlexibilityNo cancel feeOn-time69%

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