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$398+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — HEL
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$409
(Icelandair)

Popular in

May

Cheapest in

November

Average price

$543
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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Highest demand for flights based on searches. 23% potential increase in price ($190 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Icelandair deal was found by Cheapflights users on 2/20. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/269:00 pmBOS - HEL
1 stop10h 00mIcelandair
Mon 4/73:00 pmHEL - BOS
1 stop10h 50mIcelandair
Deal found 2/20$409
This Ticket deal was found by Cheapflights users on 2/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/171:35 pmBOS - HEL
2 stops15h 05mScandinavian Airlines
Mon 3/316:35 amHEL - BOS
1 stop16h 00mScandinavian Airlines
Deal found 2/20$482
This oojo deal was found by Cheapflights users on 2/20. 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.
Wed 12/38:00 pmBOS - HEL
1 stop15h 05mTurkish Airlines
Tue 12/912:25 pmHEL - BOS
1 stop36h 40mTurkish Airlines
Deal found 2/20$509
This Delta deal was found by Cheapflights users on 2/20. 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 3/317:20 pmBOS - HEL
1 stop14h 20mDelta
Tue 4/86:40 amHEL - BOS
1 stop20h 40mDelta
Deal found 2/20$519
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 3/2912:00 pmBOS - HEL
2 stops16h 55mUnited Airlines
Sat 4/56:00 amHEL - BOS
1 stop18h 40mUnited Airlines
Deal found 2/20$520
This Lufthansa deal was found by Cheapflights users on 2/20. 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.
Mon 3/318:05 pmBOS - HEL
1 stop15h 50mLufthansa
Mon 4/77:40 pmHEL - BOS
1 stop29h 00mLufthansa
Deal found 2/20$525
This FlightHub deal was found by Cheapflights users on 2/20. 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.
Fri 3/287:00 amBOS - HEL
2 stops29h 45mMultiple Airlines
Fri 4/46:00 amHEL - BOS
1 stop18h 40mMultiple Airlines
Deal found 2/20$531
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Wed 3/2610:50 amBOS - HEL
2 stops20h 50mAir Canada
Mon 4/76:10 amHEL - BOS
2 stops34h 57mAir Canada
Deal found 2/20$536
This oojo deal was found by Cheapflights users on 2/20. 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.
Wed 12/37:30 amBOS - HEL
2 stops24h 35mBritish Airways
Tue 12/95:20 pmHEL - BOS
2 stops26h 40mBritish Airways
Deal found 2/20$563
This American Airlines deal was found by Cheapflights users on 2/20. 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 2/20$581
This Finnair deal was found by Cheapflights users on 2/20. 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 7/245:45 pmBOS - HEL
1 stop13h 15mFinnair
Tue 8/125:15 pmHEL - BOS
1 stop12h 28mFinnair
Deal found 2/20$757
This Brussels Airlines deal was found by Cheapflights users on 2/19. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/25:50 pmBOS - HEL
1 stop15h 50mBrussels Airlines
Fri 7/181:35 pmHEL - BOS
1 stop13h 35mBrussels Airlines
Deal found 2/19$892

Find flights from Boston to Helsinki within your budget

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 February 20, 2025.

Fly from

Boston

Fly to

Helsinki

Route

Depart

Return

Price

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Wed 3/26

9:00 pm-1:00 pm

1 stop10h 00m

Helsinki-Vantaa

Sun 4/6

3:00 pm-6:50 pm

1 stop10h 50m

$409

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Mon 3/17

1:35 pm-10:40 am

2 stops15h 05m

Helsinki-Vantaa

Mon 3/31

6:35 am-3:35 pm

1 stop16h 00m

$482

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Tue 3/18

8:30 am-8:45 am

2 stops18h 15m

Helsinki-Vantaa

Tue 3/25

4:55 pm-11:14 pm

1 stop12h 19m

$509

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Mon 3/31

7:20 pm-4:40 pm

1 stop14h 20m

Helsinki-Vantaa

Tue 4/8

6:40 am-8:20 pm

1 stop20h 40m

$519

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Sat 3/29

12:00 pm-10:55 am

2 stops16h 55m

Helsinki-Vantaa

Sat 4/5

6:00 am-5:40 pm

1 stop18h 40m

$520

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Mon 3/31

8:05 pm-6:55 pm

1 stop15h 50m

Helsinki-Vantaa

Mon 4/7

7:40 pm-5:40 pm

1 stop29h 00m

$525

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Wed 3/26

10:50 am-1:40 pm

2 stops20h 50m

Helsinki-Vantaa

Mon 4/7

6:10 am-10:07 am

2 stops34h 57m

$536

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

$581

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Wed 5/28

5:55 pm-5:50 pm

2 stops16h 55m

Helsinki-Vantaa

Thu 6/5

9:05 pm-11:10 am

1 stop21h 05m

$607

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Thu 7/24

5:45 pm-2:00 pm

1 stop13h 15m

Helsinki-Vantaa

Tue 8/12

5:15 pm-10:43 pm

1 stop12h 28m

$757

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 15 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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.

Travel insights for flights from Boston to Helsinki

Get recent, data-driven insights about flights from Boston to Helsinki including ideal travel times, pricing trends, and more.

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 February 14, 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 $1,160). 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 February 20, 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 February 20, 2025.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

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
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

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
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

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
3,832 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

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
1,325 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

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 $409, 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 34% lower than the current average price 3 months from now.

  • 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 $1,160). 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$355Average$471FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$380Average$543FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$436Average$738FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$447Average$790FlexibilityNo cancel feeOn-time71%
FinnairCheapest$456Average$692FlexibilityNo cancel feeOn-time76%
DeltaCheapest$493Average$787FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$493Average$694FlexibilityNo cancel feeOn-time77%
KLMCheapest$518Average$781FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$541Average$776FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$597Average$860FlexibilityNo cancel feeOn-time69%
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