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$449+ Cheap flights from Helsinki (HEL) to Boston (BOS)

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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — BOS
Jun 19 — Jun 261
Fri 6/19
Fri 6/26
1 adult, Economy
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Cheap flight deals from Helsinki to Boston

Cheapest flights from Helsinki to Boston
Explore the most affordable flight options available from Helsinki to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.

This Finnair deal was found by Cheapflights users on 5/19. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:25 pm
HEL
-
BOS
1 stop13h 29m
Multiple Airlines
Wed 6/105:45 pm
BOS
-
HEL
1 stop13h 15m
Multiple Airlines
Deal found 5/19$552
This Finnair deal was found by Cheapflights users on 5/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:15 pm
HEL
-
BOS
1 stop12h 46m
Multiple Airlines
Sun 6/145:45 pm
BOS
-
HEL
1 stop13h 15m
Multiple Airlines
Deal found 5/17$555
This Finnair deal was found by Cheapflights users on 5/18. 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 5/2812:35 pm
HEL
-
BOS
1 stop16h 39m
Finnair
Wed 6/105:45 pm
BOS
-
HEL
1 stop13h 15m
Finnair
Deal found 5/18$567
This Flightnetwork deal was found by Cheapflights users on 5/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/243:00 pm
HEL
-
BOS
1 stop10h 50m
Icelandair
Sun 6/711:00 pm
BOS
-
HEL
1 stop16h 30m
Icelandair
Deal found 5/16$574
This FlightHub deal was found by Cheapflights users on 5/18. 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.
Thu 10/13:00 pm
HEL
-
BOS
1 stop10h 50m
Icelandair
Fri 10/98:50 pm
BOS
-
HEL
1 stop10h 10m
Icelandair
Deal found 5/18$608
This Ticket deal was found by Cheapflights users on 5/17. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:00 pm
HEL
-
BOS
1 stop13h 45m
Icelandair
Thu 8/138:50 pm
BOS
-
HEL
1 stop10h 10m
Icelandair
Deal found 5/17$613
This Finnair deal was found by Cheapflights users on 5/20. 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.
Mon 6/85:15 pm
HEL
-
BOS
1 stop12h 46m
Finnair
Sun 6/145:45 pm
BOS
-
HEL
1 stop13h 15m
Finnair
Deal found 5/20$614
This FlightHub deal was found by Cheapflights users on 5/18. 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.
Wed 9/303:00 pm
HEL
-
BOS
1 stop10h 50m
Icelandair
Fri 10/98:50 pm
BOS
-
HEL
1 stop10h 10m
Icelandair
Deal found 5/18$615
This Sembo deal was found by Cheapflights users on 5/16. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:30 pm
HEL
-
BOS
1 stop26h 20m
Icelandair
Sun 8/1611:00 pm
BOS
-
HEL
1 stop16h 30m
Icelandair
Deal found 5/16$616
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:00 pm
HEL
-
BOS
1 stop10h 50m
Icelandair
Thu 10/88:50 pm
BOS
-
HEL
1 stop10h 10m
Icelandair
Deal found 5/18$623
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:10 am
HEL
-
BOS
1 stop18h 40m
Icelandair
Sun 10/1111:00 pm
BOS
-
HEL
1 stop17h 20m
Icelandair
Deal found 5/18$626

Find flight deals from Helsinki to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Helsinki (HEL) to Boston (BOS). 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 May 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$552
(Finnair)

One-way from

$453
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$507
Provider with most accurate pricing for Helsinki-Vantaa-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helsinki-Vantaa-Boston Logan Intl flights.
Search Deals
From Helsinki-Vantaa to Boston Logan Intl
Search Deals
One-way flight from Helsinki-Vantaa to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helsinki to Boston 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 May 20, 2026.
Use the filters below to find and compare flights from Helsinki to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelsinkiBoston

HEL - BOS

HELBOS

Helsinki-Vantaa

Wed 6/3

4:25 pm-10:54 pm

1 stop13h 29m

Boston Logan Intl

Wed 6/10

5:45 pm-2:00 pm

1 stop13h 15m

$552
Quickest round-trip

HelsinkiBoston

HEL - BOS

HELBOS

Helsinki-Vantaa

Mon 6/8

5:15 pm-11:01 pm

1 stop12h 46m

Boston Logan Intl

Sun 6/14

5:45 pm-2:00 pm

1 stop13h 15m

$614

HelsinkiBoston

HEL - BOS

HELBOS

Helsinki-Vantaa

Thu 9/24

7:10 am-6:50 pm

1 stop18h 40m

Boston Logan Intl

Mon 9/28

8:50 pm-2:00 pm

1 stop10h 10m

$642

HelsinkiBoston

HEL - BOS

HELBOS

Helsinki-Vantaa

Fri 10/2

7:00 am-1:15 pm

1 stop13h 15m

Boston Logan Intl

Sun 10/11

1:10 pm-1:05 pm

2 stops16h 55m

$643

HelsinkiBoston

HEL - BOS

HELBOS

Helsinki-Vantaa

Wed 9/30

1:55 pm-1:15 pm

1 stop30h 20m

Boston Logan Intl

Mon 10/12

1:10 pm-1:05 pm

2 stops16h 55m

$666

HelsinkiBoston

HEL - BOS

HELBOS

Helsinki-Vantaa

Fri 10/2

7:00 am-1:15 pm

1 stop13h 15m

Boston Logan Intl

Thu 10/8

9:55 am-1:05 pm

2 stops20h 10m

$678

HelsinkiBoston

HEL - BOS

HELBOS

Helsinki-Vantaa

Mon 9/28

1:55 pm-10:36 pm

2 stops15h 41m

Boston Logan Intl

Tue 10/13

9:45 pm-4:40 pm

1 stop11h 55m

$687

HelsinkiBoston

HEL - BOS

HELBOS

Helsinki-Vantaa

Mon 6/8

5:15 pm-11:01 pm

1 stop12h 46m

Boston Logan Intl

Tue 6/23

9:01 am-10:45 am

1 stop18h 44m

$697

HelsinkiBoston

HEL - BOS

HELBOS

Helsinki-Vantaa

Wed 6/3

7:00 am-7:03 pm

2 stops19h 03m

Boston Logan Intl

Wed 6/10

1:35 pm-1:05 pm

2 stops16h 30m

$739
Cheapest one-way

HelsinkiBoston

HEL - BOS

HELBOS

Helsinki-Vantaa

Sat 8/29

11:55 am-9:55 pm

2 stops41h 00m

$453

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Helsinki to Boston

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 Helsinki to Boston in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 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 Helsinki-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helsinki-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helsinki-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helsinki-Boston 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 Helsinki-Boston 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 Helsinki to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Helsinki 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 Helsinki to Boston

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

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Helsinki to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Helsinki to Boston (average of $429). Flying from Helsinki to Boston in June is currently the most expensive (average of $782). 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 Helsinki to Boston?

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated May 20, 2026.
Peruse reviews from past customers who have flown with Icelandair from Helsinki to Boston 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.
Icelandair
7.0
Good
656 reviews

Comfort

6.9

Overall

7.0

Entertainment

6.9

Boarding

7.2

Crew

8.0

Food

6.2

Reviews

1 / 20
10.0
Excellent

Ásmundur,Apr 2026

CDG - KEF

The flight was uneventfull and ahead of schedule. The crew was attentive and the service good.
Icelandair
7.0
Good
656 reviews
Icelandair
7.0
Good
656 reviews

Comfort

6.9

Overall

7.0

Entertainment

6.9

Boarding

7.2

Crew

8.0

Food

6.2

Reviews

1 / 20
10.0
Excellent

Ásmundur,Apr 2026

CDG - KEF

The flight was uneventfull and ahead of schedule. The crew was attentive and the service good.

Related info for your journey

Find useful and relevant information for your journey from Helsinki to Boston. 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 Helsinki to Boston?

    There are many flights that can get you from Helsinki to Boston in 12h 46m. Fly via Finnair or Icelandair to get the fastest option. Helsinki and Boston are separated by a distance of 3923 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Helsinki to Boston round-trip?

    According to our current data, Icelandair ($411), offers the cheapest pricing from Helsinki to Boston. Users have found that Icelandair is 24% cheaper than the other options available to this destination.

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

    $428 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Lufthansa and Delta, with prices starting from $545 and $588, respectively.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Helsinki to Boston (average of $429). Flying from Helsinki to Boston in June is currently the most expensive (average of $782). 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
Waltham
Medford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Warwick
Peabody
York Beach
Seabrook
Londonderry
Swansea
Old Orchard Beach
Auburn
Quincy
Lowell

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Helsinki to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Helsinki to Albany flights

Top airline flying from Helsinki to Boston

Discover the top airline that operate flights from Helsinki to Boston. 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 May 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$411Average$585FlexibilityNo cancel feeOn-time76%

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