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$169+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — HEL
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap 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 12, 2026.

This Mytrip deal was found by Cheapflights users on 2/9. 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.
Thu 3/1912:35 pm
BOS
-
HEL
1 stop18h 20m
Icelandair
Wed 4/13:00 pm
HEL
-
BOS
1 stop13h 45m
Icelandair
Deal found 2/9$365
This oojo deal was found by Cheapflights users on 2/9. 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.
Tue 3/108:50 pm
BOS
-
HEL
1 stop10h 05m
Icelandair
Wed 3/181:55 pm
HEL
-
BOS
1 stop10h 55m
Icelandair
Deal found 2/9$366
This Sembo deal was found by Cheapflights users on 2/9. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:50 pm
BOS
-
HEL
1 stop10h 05m
Icelandair
Tue 3/241:55 pm
HEL
-
BOS
1 stop27h 40m
Icelandair
Deal found 2/9$367
This oojo deal was found by Cheapflights users on 2/11. 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.
Thu 3/1912:35 pm
BOS
-
HEL
1 stop18h 20m
Icelandair
Tue 3/241:55 pm
HEL
-
BOS
1 stop27h 40m
Icelandair
Deal found 2/11$368
This oojo deal was found by Cheapflights users on 2/8. 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.
Thu 3/268:50 pm
BOS
-
HEL
1 stop10h 05m
Icelandair
Thu 4/23:00 pm
HEL
-
BOS
1 stop13h 45m
Icelandair
Deal found 2/8$373
This oojo deal was found by Cheapflights users on 2/9. 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 4/298:50 pm
BOS
-
HEL
1 stop10h 10m
Icelandair
Tue 5/53:00 pm
HEL
-
BOS
1 stop10h 50m
Icelandair
Deal found 2/9$374
This oojo deal was found by Cheapflights users on 2/11. 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.
Sat 3/288:50 pm
BOS
-
HEL
1 stop10h 10m
Icelandair
Sat 4/43:00 pm
HEL
-
BOS
1 stop13h 45m
Icelandair
Deal found 2/11$380
This oojo deal was found by Cheapflights users on 2/9. 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 5/68:50 pm
BOS
-
HEL
1 stop10h 10m
Icelandair
Wed 5/133:00 pm
HEL
-
BOS
1 stop10h 50m
Icelandair
Deal found 2/9$382
This oojo deal was found by Cheapflights users on 2/11. 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 10/711:00 pm
BOS
-
HEL
1 stop32h 00m
Icelandair
Wed 10/143:00 pm
HEL
-
BOS
1 stop13h 45m
Icelandair
Deal found 2/11$383
This oojo deal was found by Cheapflights users on 2/11. 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.
Sat 9/198:50 pm
BOS
-
HEL
1 stop10h 10m
Icelandair
Mon 9/283:00 pm
HEL
-
BOS
1 stop10h 50m
Icelandair
Deal found 2/11$396
This Priceline deal was found by Cheapflights users on 2/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:50 pm
BOS
-
HEL
1 stop10h 10m
Icelandair
Mon 5/113:00 pm
HEL
-
BOS
1 stop10h 50m
Icelandair
Deal found 2/9$409
This oojo deal was found by Cheapflights users on 2/11. 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.
Sat 9/58:50 pm
BOS
-
HEL
1 stop10h 10m
Icelandair
Wed 9/163:00 pm
HEL
-
BOS
1 stop10h 50m
Icelandair
Deal found 2/11$421

Find 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 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$365
(Mytrip)

One-way from

$169
(Mytrip)

Popular in

July

Cheapest in

December

Average price

$492
Provider with most accurate pricing for Boston Logan Intl-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Helsinki-Vantaa flights.
Search Deals
From Boston Logan Intl to Helsinki-Vantaa
Search Deals
One-way flight from Boston Logan Intl to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($185 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 12, 2026.
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 3/11

8:50 pm-12:55 pm

1 stop10h 05m

Helsinki-Vantaa

Wed 3/18

1:55 pm-6:50 pm

1 stop10h 55m

$366

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Wed 4/29

8:50 pm-2:00 pm

1 stop10h 10m

Helsinki-Vantaa

Tue 5/5

3:00 pm-6:50 pm

1 stop10h 50m

$374

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Wed 4/29

5:40 pm-12:55 pm

2 stops12h 15m

Helsinki-Vantaa

Tue 5/5

7:15 am-3:35 pm

2 stops15h 20m

$435

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Tue 3/10

6:35 pm-3:25 pm

2 stops14h 50m

Helsinki-Vantaa

Wed 3/18

8:55 pm-4:50 pm

2 stops25h 55m

$458

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Wed 3/18

7:06 pm-1:55 pm

1 stop12h 49m

Helsinki-Vantaa

Mon 3/23

5:00 pm-10:48 pm

1 stop11h 48m

$484

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Thu 3/19

1:00 pm-1:10 pm

2 stops18h 10m

Helsinki-Vantaa

Wed 4/1

7:15 am-10:54 pm

2 stops22h 39m

$501

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Mon 3/9

6:35 pm-11:45 pm

2 stops23h 10m

Helsinki-Vantaa

Fri 3/13

6:15 am-8:39 pm

2 stops20h 24m

$511

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Wed 3/4

1:45 pm-11:45 pm

2 stops27h 00m

Helsinki-Vantaa

Sun 3/8

9:00 pm-4:50 pm

1 stop25h 50m

$519

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Sun 3/15

8:50 pm-12:55 pm

1 stop10h 05m

$169

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Sun 3/8

8:50 pm-12:55 pm

1 stop10h 05m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 17 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
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 February 6, 2026.

To ensure you get the cheapest price possible for a flight from Boston to Helsinki, you should look to book at least 9 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, February is the cheapest month in which you can book a flight from Boston to Helsinki (average of $329). Flying from Boston to Helsinki in June is currently the most expensive (average of $548). 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.

How much does it cost to fly round-trip from Boston to Helsinki?

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 12, 2026.
Peruse reviews from past customers who have flown with Finnair, Scandinavian Airlines, and American Airlines from Boston to Helsinki to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,362 reviews

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Comfort

7.4

Crew

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Finnair
7.6
Good
1,362 reviews
Finnair
7.6
Good
1,362 reviews

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Comfort

7.4

Crew

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Scandinavian Airlines
7.3
Good
1,681 reviews
Finnair
7.6
Good
1,362 reviews

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Comfort

7.4

Crew

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
American Airlines
7.2
Good
11,273 reviews
Finnair
7.6
Good
1,362 reviews

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Comfort

7.4

Crew

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Icelandair
7.1
Good
614 reviews
Finnair
7.6
Good
1,362 reviews

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Comfort

7.4

Crew

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Lufthansa
6.8
Okay
7,780 reviews
Finnair
7.6
Good
1,362 reviews

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Comfort

7.4

Crew

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.

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.

  • How long is the flight from Boston to Helsinki?

    Airlines like Icelandair, Scandinavian Airlines, and American Airlines fly from Boston to Helsinki in about 10h 05m. The time it takes to get you to your destination can typically vary by up to 2h 44m. Boston and Helsinki are separated by a distance of 3923 mi. This flight may include one or multiple stops.

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

    American Airlines, at $331, was found to be the cheapest airline from Boston to Helsinki.Alternate airlines to your destination round-trip include Finnair and Icelandair. These flights start at 40% 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 ($194), Lufthansa ($286), and Brussels Airlines ($324).

  • 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, February is the cheapest month in which you can book a flight from Boston to Helsinki (average of $329). Flying from Boston to Helsinki in June is currently the most expensive (average of $548). 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 Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
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 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$331Average$561FlexibilityNo cancel feeOn-time71%
FinnairCheapest$349Average$411FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$355Average$471FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$366Average$643FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$392Average$1,056FlexibilityNo cancel feeOn-time69%
DeltaCheapest$410Average$799FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$430Average$751FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$446Average$778FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$448Average$644FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$473Average$697FlexibilityNo cancel feeOn-time76%

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