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

Scandinavian Airlines, at $486, was found to be the cheapest airline from Boston to Helsinki.Alternate airlines to your destination round-trip include Icelandair and KLM. 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 ($352), KLM ($554), and Scandinavian Airlines ($569).

What are the most popular airlines that fly from Boston to Helsinki?

American Airlines, Air France and Finnair are the most popular airlines when flying from Boston to Helsinki.

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

Departing on a Monday is a good option for securing a great price. You can expect to save up to 84% when planning your travel around this day of the week.

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

Find a great deal and save up to 54% by booking at least 47 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Boston to Helsinki within the next two weeks, with the cheapest ticket starting at $580.

What is the cheapest month to fly from Boston to Helsinki?

The best pricing can be found in the month of November. Prices to Helsinki from Boston average $582. You can even find prices in November for less than $582, as users have found deals to Helsinki from as low as $355. The month of June appears to be one of the more expensive times to travel to Helsinki from Boston. Flying in the targeted month can save you up to 42%.

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.

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.

$316+ Flights from Boston to Helsinki - Compare & Save Big

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Find cheap flights from Boston to Helsinki with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$486 (oojo)
One-way from	$316 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$560

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. 24% potential increase in price ($190 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 April 28, 2025.

Sat 10/115:40 pmBOS - HEL

1 stop9h 55mScandinavian Airlines

Sat 10/187:20 amHEL - BOS

2 stops15h 15mScandinavian Airlines

Deal found 4/27

$486

Thu 5/298:50 pmBOS - HEL

1 stop10h 10mIcelandair

Mon 6/93:00 pmHEL - BOS

1 stop14h 00mIcelandair

Deal found 4/28

$517

Tue 8/1210:20 amBOS - HEL

2 stops25h 35mMultiple Airlines

Tue 8/197:40 pmHEL - BOS

1 stop29h 00mMultiple Airlines

Deal found 4/28

$543

Wed 5/146:35 pmBOS - HEL

1 stop22h 45mKLM

Tue 5/201:55 pmHEL - BOS

1 stop11h 25mKLM

Deal found 4/27

$553

Tue 5/275:20 pmBOS - HEL

1 stop16h 20mDelta

Tue 6/37:15 amHEL - BOS

2 stops18h 51mDelta

Deal found 4/28

$562

Mon 5/59:35 pmBOS - HEL

1 stop14h 05mTurkish Airlines

Wed 5/217:35 pmHEL - BOS

1 stop31h 05mTurkish Airlines

Deal found 4/27

$569

Wed 12/2412:20 pmBOS - HEL

2 stops29h 50mUnited Airlines

Tue 12/306:50 amHEL - BOS

1 stop18h 45mUnited Airlines

Deal found 4/27

$594

Mon 7/710:20 pmBOS - HEL

1 stop11h 20mAir France

Tue 7/156:40 amHEL - BOS

1 stop13h 55mAir France

Deal found 4/27

$644

Wed 6/117:25 amBOS - HEL

2 stops20h 50mBritish Airways

Wed 6/189:05 pmHEL - BOS

2 stops24h 55mBritish Airways

Deal found 4/28

$662

Mon 5/198:05 pmBOS - HEL

1 stop20h 45mLufthansa

Tue 6/36:10 amHEL - BOS

1 stop21h 00mLufthansa

Deal found 4/28

$695

Sat 7/56:20 pmBOS - HEL

2 stops35h 30mAir Canada

Thu 7/176:10 amHEL - BOS

2 stops23h 28mAir Canada

Deal found 4/27

$766

Best flights from Boston to Helsinki
Discover carefully curated flight deals from Boston to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2025.

Sat 10/115:40 pmBOS - HEL

1 stop9h 55mScandinavian Airlines

Sat 10/187:20 amHEL - BOS

2 stops15h 15mScandinavian Airlines

Deal found 4/27

$486

Thu 5/298:50 pmBOS - HEL

1 stop10h 10mIcelandair

Mon 6/93:00 pmHEL - BOS

1 stop14h 00mIcelandair

Deal found 4/28

$517

Tue 8/1210:20 amBOS - HEL

2 stops25h 35mMultiple Airlines

Tue 8/197:40 pmHEL - BOS

1 stop29h 00mMultiple Airlines

Deal found 4/28

$543

Wed 5/146:35 pmBOS - HEL

1 stop22h 45mKLM

Tue 5/201:55 pmHEL - BOS

1 stop11h 25mKLM

Deal found 4/27

$553

Tue 5/275:20 pmBOS - HEL

1 stop16h 20mDelta

Tue 6/37:15 amHEL - BOS

2 stops18h 51mDelta

Deal found 4/28

$562

Thu 5/89:35 pmBOS - HEL

1 stop14h 05mTurkish Airlines

Sun 5/187:35 pmHEL - BOS

1 stop31h 05mTurkish Airlines

Deal found 4/27

$627

Mon 7/710:20 pmBOS - HEL

1 stop11h 20mAir France

Tue 7/156:40 amHEL - BOS

1 stop13h 55mAir France

Deal found 4/27

$644

Wed 6/117:25 amBOS - HEL

2 stops20h 50mBritish Airways

Wed 6/189:05 pmHEL - BOS

2 stops24h 55mBritish Airways

Deal found 4/28

$662

Mon 5/198:05 pmBOS - HEL

1 stop20h 45mLufthansa

Tue 6/36:10 amHEL - BOS

1 stop21h 00mLufthansa

Deal found 4/28

$695

Sat 7/56:20 pmBOS - HEL

2 stops35h 30mAir Canada

Thu 7/176:10 amHEL - BOS

2 stops23h 28mAir Canada

Deal found 4/27

$766

Sun 7/612:15 pmBOS - HEL

2 stops23h 40mUnited Airlines

Wed 7/166:00 amHEL - BOS

1 stop18h 40mUnited Airlines

Deal found 4/27

$774

Last-minute flights from Boston to Helsinki
Discover last-minute flight deals from Boston to Helsinki. Data last updated April 28, 2025 and is based on user searches.

Mon 5/59:35 pmBOS - HEL

1 stop14h 05mTurkish Airlines

Wed 5/217:35 pmHEL - BOS

1 stop31h 05mTurkish Airlines

Deal found 4/27

$569

Mon 5/55:40 pmBOS - HEL

1 stop23h 25mScandinavian Airlines

Wed 5/219:05 pmHEL - BOS

2 stops25h 30mScandinavian Airlines

Deal found 4/28

$635

Mon 5/58:50 pmBOS - HEL

3 stops20h 15mMultiple Airlines

Wed 5/219:50 amHEL - BOS

2 stops15h 00mMultiple Airlines

Deal found 4/28

$760

Mon 5/58:25 amBOS - HEL

2 stops22h 35mIcelandair

Wed 5/2112:10 pmHEL - BOS

2 stops13h 40mIcelandair

Deal found 4/27

$955

Mon 5/57:50 pmBOS - HEL

2 stops15h 00mBritish Airways

Wed 5/219:05 pmHEL - BOS

1 stop22h 45mBritish Airways

Deal found 4/27

$1,147

Wed 5/146:35 pmBOS - HEL

1 stop22h 45mKLM

Tue 5/201:55 pmHEL - BOS

1 stop11h 25mKLM

Deal found 4/27

$553

Mon 5/198:05 pmBOS - HEL

1 stop20h 45mLufthansa

Tue 6/36:10 amHEL - BOS

1 stop21h 00mLufthansa

Deal found 4/28

$695

Mon 5/198:05 pmBOS - HEL

1 stop15h 50mUnited Airlines

Fri 5/236:00 amHEL - BOS

1 stop18h 40mUnited Airlines

Deal found 4/27

$930

Mon 5/266:25 amBOS - HEL

2 stops31h 00mScandinavian Airlines

Mon 6/97:15 amHEL - BOS

2 stops15h 20mScandinavian Airlines

Deal found 4/27

$605

Tue 5/275:20 pmBOS - HEL

1 stop16h 20mDelta

Tue 6/37:15 amHEL - BOS

2 stops18h 51mDelta

Deal found 4/28

$562

Wed 5/286:35 pmBOS - HEL

1 stop11h 25mMultiple Airlines

Thu 6/56:40 amHEL - BOS

1 stop13h 55mMultiple Airlines

Deal found 4/28

$587

Thu 5/298:50 pmBOS - HEL

1 stop10h 10mIcelandair

Mon 6/93:00 pmHEL - BOS

1 stop14h 00mIcelandair

Deal found 4/28

$517

One-way flights from Boston to Helsinki
Search for one-way flight options from Boston to Helsinki. Find affordable one-way fares based on user searches. Data last updated April 28, 2025.

Sun 5/118:50 pmBOS - HEL

3 stops30h 50mMultiple Airlines

Deal found 4/28

$316

Sun 5/1111:35 pmBOS - HEL

1 stop31h 25mIcelandair

Deal found 4/28

$352

Thu 5/226:35 pmBOS - HEL

1 stop16h 05mKLM

Deal found 4/28

$554

Mon 6/25:40 pmBOS - HEL

1 stop9h 55mScandinavian Airlines

Deal found 4/27

$569

Thu 5/221:05 pmBOS - HEL

2 stops16h 55mDelta

Deal found 4/28

$636

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Sat 10/11

5:40 pm-10:35 am

1 stop9h 55m

Helsinki-Vantaa

Sat 10/18

7:20 am-3:35 pm

2 stops15h 15m

$486

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Thu 5/29

8:50 pm-2:00 pm

1 stop10h 10m

Helsinki-Vantaa

Mon 6/9

3:00 pm-10:00 pm

1 stop14h 00m

$517

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Tue 8/12

10:20 am-6:55 pm

2 stops25h 35m

Helsinki-Vantaa

Tue 8/19

7:40 pm-5:40 pm

1 stop29h 00m

$543

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Wed 5/14

6:35 pm-12:20 am

1 stop22h 45m

Helsinki-Vantaa

Tue 5/20

1:55 pm-6:20 pm

1 stop11h 25m

$553

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Tue 5/27

5:20 pm-4:40 pm

1 stop16h 20m

Helsinki-Vantaa

Tue 6/3

7:15 am-7:06 pm

2 stops18h 51m

$562

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Thu 5/8

9:35 pm-6:40 pm

1 stop14h 05m

Helsinki-Vantaa

Sun 5/18

7:35 pm-7:40 pm

1 stop31h 05m

$627

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Mon 7/7

10:20 pm-4:40 pm

1 stop11h 20m

Helsinki-Vantaa

Tue 7/15

6:40 am-1:35 pm

1 stop13h 55m

$644

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Wed 6/11

7:25 am-11:15 am

2 stops20h 50m

Helsinki-Vantaa

Wed 6/18

9:05 pm-3:00 pm

2 stops24h 55m

$662

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Mon 5/19

8:05 pm-11:50 pm

1 stop20h 45m

Helsinki-Vantaa

Tue 6/3

6:10 am-8:10 pm

1 stop21h 00m

$695

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Sat 7/5

6:20 pm-12:50 pm

2 stops35h 30m

Helsinki-Vantaa

Thu 7/17

6:10 am-10:38 pm

2 stops23h 28m

$766

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 16 results

Compare providers for flights from Boston to Helsinki

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.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
oojo	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy-	Trust 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?

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 $1,085). 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?

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?

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

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

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

To help decide which airline to fly from Boston to Helsinki, see what other customers have to say about Delta, KLM and Air France. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,929 reviews

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

7,929 reviews

Delta

8.0

Very good

7,929 reviews

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

1,333 reviews

Delta

8.0

Very good

7,929 reviews

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

1,444 reviews

Delta

8.0

Very good

7,929 reviews

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

8,696 reviews

Delta

8.0

Very good

7,929 reviews

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

3,785 reviews

Delta

8.0

Very good

7,929 reviews

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

What are the cheapest airlines flying from Boston to Helsinki round-trip?
Scandinavian Airlines, at $486, was found to be the cheapest airline from Boston to Helsinki.Alternate airlines to your destination round-trip include Icelandair and KLM. 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 ($352), KLM ($554), and Scandinavian Airlines ($569).
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 $1,085). 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

Vantaa

Espoo

Lahti

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Boston to Helsinki

Hartford to Helsinki flights

Boston to Oulu flights

Boston to Rovaniemi flights

Other flights to Helsinki

Top 10 airlines flying from Boston to Helsinki

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$355	Average$454	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$380	Average$518	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$436	Average$751	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$447	Average$770	FlexibilityNo cancel fee	On-time71%
Finnair	Cheapest$456	Average$660	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$493	Average$789	FlexibilityNo cancel fee	On-timeN/A
Air France	Cheapest$493	Average$724	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$518	Average$781	FlexibilityNo cancel fee	On-time75%
Lufthansa	Cheapest$585	Average$771	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$597	Average$860	FlexibilityNo cancel fee	On-time69%

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$316+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Helsinki with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Boston to Helsinki

Cheapest flights from Boston to HelsinkiExplore 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 April 28, 2025.

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 April 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Helsinki that are best for you.

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.

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.

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 25, 2025.

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

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 April 28, 2025.

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.

Rainfall in Helsinki by month

Plan your trip to Helsinki by taking into account the average rainfall totals by month.

Temperature in Helsinki by month

Plan your trip to Helsinki by taking into account the average temperature totals by month.

Reviews of airlines servicing Helsinki

To help decide which airline to fly from Boston to Helsinki, see what other customers have to say about Delta, KLM and Air France. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

How can I find direct flights from Boston to Helsinki?

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

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

Traveling to a place near Boston?

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 10 airlines flying from Boston to Helsinki

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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 April 28, 2025.