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$177+ 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
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$452
(Icelandair)

One-way from

$177
(FlightHub)

Popular in

June

Cheapest in

November

Average price

$828
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. 23% potential increase in price ($175 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 June 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 June 30, 2025.

This Icelandair deal was found by Cheapflights users on 6/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2411:35 pmBOS - HEL
1 stop31h 25mIcelandair
Sat 12/201:55 pmHEL - BOS
1 stop10h 50mIcelandair
Deal found 6/28$452
This Lufthansa deal was found by Cheapflights users on 6/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:50 pmBOS - HEL
1 stop12h 00mLufthansa
Mon 12/227:25 pmHEL - BOS
1 stop30h 10mLufthansa
Deal found 6/28$453
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:05 pmBOS - HEL
2 stops18h 50mUnited Airlines
Mon 12/221:55 pmHEL - BOS
2 stops27h 02mUnited Airlines
Deal found 6/28$455
This Justfly.com deal was found by Cheapflights users on 6/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:05 pmBOS - HEL
1 stop15h 50mMultiple Airlines
Thu 9/256:00 amHEL - BOS
2 stops23h 39mMultiple Airlines
Deal found 6/29$461
This Air France deal was found by Cheapflights users on 6/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1210:20 pmBOS - HEL
1 stop11h 20mAir France
Tue 8/196:40 amHEL - BOS
1 stop15h 25mAir France
Deal found 6/28$472
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/129:59 amBOS - HEL
2 stops17h 36mDelta
Tue 8/196:40 amHEL - BOS
1 stop15h 25mDelta
Deal found 6/28$477
This Travelocity deal was found by Cheapflights users on 6/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:00 pmBOS - HEL
2 stops17h 35mBritish Airways
Mon 9/19:05 pmHEL - BOS
1 stop21h 20mBritish Airways
Deal found 6/27$479
This CrystalTravel deal was found by Cheapflights users on 6/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:40 pmBOS - HEL
1 stop9h 55mScandinavian Airlines
Mon 9/86:35 amHEL - BOS
1 stop16h 00mScandinavian Airlines
Deal found 6/28$481
This Ticket deal was found by Cheapflights users on 6/29. 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.
Thu 8/2112:15 pmBOS - HEL
2 stops23h 40mAir Canada
Thu 9/46:00 amHEL - BOS
2 stops22h 55mAir Canada
Deal found 6/29$483
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/73:59 pmBOS - HEL
1 stop15h 16mAmerican Airlines
Wed 8/2012:35 pmHEL - BOS
1 stop16h 17mAmerican Airlines
Deal found 6/28$553
This flugladen.de deal was found by Cheapflights users on 6/28. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1110:00 pmBOS - HEL
1 stop19h 25mBrussels Airlines
Tue 8/265:40 pmHEL - BOS
1 stop33h 30mBrussels Airlines
Deal found 6/28$559

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 June 30, 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 9/24

11:35 pm-2:00 pm

1 stop31h 25m

Helsinki-Vantaa

Sat 12/20

1:55 pm-5:45 pm

1 stop10h 50m

$452

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Fri 9/26

5:50 pm-12:50 pm

1 stop12h 00m

Helsinki-Vantaa

Mon 12/22

7:25 pm-6:35 pm

1 stop30h 10m

$453

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Fri 9/26

5:05 pm-6:55 pm

2 stops18h 50m

Helsinki-Vantaa

Mon 12/22

1:55 pm-9:57 am

2 stops27h 02m

$455

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Fri 9/12

8:05 pm-6:55 pm

1 stop15h 50m

Helsinki-Vantaa

Thu 9/25

6:00 am-10:39 pm

2 stops23h 39m

$461

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Tue 8/12

10:20 pm-4:40 pm

1 stop11h 20m

Helsinki-Vantaa

Tue 8/19

6:40 am-3:05 pm

1 stop15h 25m

$472

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Tue 8/12

9:59 am-10:35 am

2 stops17h 36m

Helsinki-Vantaa

Tue 8/19

6:40 am-3:05 pm

1 stop15h 25m

$477

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Mon 8/25

10:00 pm-10:35 pm

2 stops17h 35m

Helsinki-Vantaa

Mon 9/1

9:05 pm-11:25 am

1 stop21h 20m

$479

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Thu 9/4

5:40 pm-10:35 am

1 stop9h 55m

Helsinki-Vantaa

Mon 9/8

6:35 am-3:35 pm

1 stop16h 00m

$481

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Thu 8/21

12:15 pm-6:55 pm

2 stops23h 40m

Helsinki-Vantaa

Thu 9/4

6:00 am-9:55 pm

2 stops22h 55m

$483

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Thu 8/7

3:59 pm-2:15 pm

1 stop15h 16m

Helsinki-Vantaa

Wed 8/20

12:35 pm-9:52 pm

1 stop16h 17m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 16 results
1
2

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 June 27, 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 $1,084). 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 June 30, 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.

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 June 30, 2025.
Peruse reviews from past customers who have flown with Delta, Air France, and United 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.
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,471 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,413 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Brussels Airlines
7.3
Good
352 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $452, was found to be the cheapest airline from Boston to Helsinki.Alternate airlines to your destination round-trip include Lufthansa and United Airlines. These flights start at 20% 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 ($177), Air Canada ($475), and Lufthansa ($928).

  • 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 $1,084). 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
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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$355Average$425FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$380Average$515FlexibilityNo cancel feeOn-time77%
FinnairCheapest$411Average$631FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$430Average$668FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$436Average$758FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$468Average$879FlexibilityNo cancel feeOn-time69%
DeltaCheapest$493Average$741FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$493Average$700FlexibilityNo cancel feeOn-time77%
KLMCheapest$500Average$762FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$578Average$735FlexibilityNo cancel feeOn-time76%

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