Which airport is the most popular layover for flights between Boston and Helsinki?

Reykjavik (KEF) was the most common stop: 73% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Boston Logan Intl to Helsinki-Vantaa?

Icelandair and American Airlines are the most popular carriers operating from Boston Logan Intl to Helsinki-Vantaa

Which layover airport has the shortest connection time from Boston to Helsinki?

Copenhagen (CPH) has the shortest average layover time for this route: 1h 13m.

Which layover airport offers the lowest fares from Boston to Helsinki?

Flights via Chicago (ORD) offer the lowest average round-trip price of $461.

Which layover airport has the shortest travel time from Boston to Helsinki?

Flights connecting via Copenhagen (CPH) have the shortest average one-way travel time: 9h 55m.

What airlines fly to Helsinki?

Icelandair, Finnair and American Airlines are the top three most popular airlines that fly to Helsinki from Boston according to our data. Icelandair is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 10 different airlines that fly to Helsinki on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Boston Logan Intl Airport to Helsinki-Vantaa Airport?

Prices for flights from Boston Logan Intl Airport to Helsinki-Vantaa Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Boston Logan Intl Airport to Helsinki-Vantaa Airport?

The number of operators available for flights from Boston Logan Intl Airport to Helsinki-Vantaa Airport is 10 as of March 2026.

How old do you have to be to fly from Boston Logan Intl Airport to Helsinki-Vantaa Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Helsinki-Vantaa Airport.

What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$234 Cheap Flights from Boston to Helsinki in 2026

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Find the cheapest flights from Boston to Helsinki

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:40 pm - 1:30 am

BOS

HEL

24h 50m

1 stop

6:10 am - 3:35 pm

HEL

BOS

16h 25m

1 stop

$338Scandinavian Airlines

Sun, May 3 - Sat, May 16

8:50 pm - 2:00 pm

BOS

HEL

10h 10m

1 stop

3:00 pm - 6:50 pm

HEL

BOS

10h 50m

1 stop

$365Icelandair

Thu, Apr 2 - Tue, Apr 7

11:00 pm - 2:00 pm

BOS

HEL

32h 00m

1 stop

3:00 pm - 6:50 pm

HEL

BOS

10h 50m

1 stop

$372Icelandair

Sun, Apr 5 - Sat, Apr 18

8:50 pm - 2:00 pm

BOS

HEL

10h 10m

1 stop

3:00 pm - 6:50 pm

HEL

BOS

10h 50m

1 stop

$378Icelandair

Thu, Apr 2 - Mon, Apr 6

5:40 pm - 10:35 am

BOS

HEL

9h 55m

1 stop

7:10 pm - 3:35 pm

HEL

BOS

27h 25m

2 stops

$381Scandinavian Airlines

Mon, Apr 27 - Sat, May 2

5:40 pm - 11:50 pm

BOS

HEL

23h 10m

2 stops

9:05 pm - 3:35 pm

HEL

BOS

25h 30m

1 stop

$385Scandinavian Airlines

Sun, May 3 - Sat, May 16

5:40 pm - 1:30 am

BOS

HEL

24h 50m

1 stop

6:10 am - 3:35 pm

HEL

BOS

16h 25m

1 stop

$394Scandinavian Airlines

Sun, May 3 - Sat, May 16

5:40 pm - 10:35 am

BOS

HEL

9h 55m

1 stop

4:00 pm - 3:35 pm

HEL

BOS

30h 35m

1 stop

$399Scandinavian Airlines

Sun, May 3 - Mon, May 18

8:50 pm - 2:00 pm

BOS

HEL

10h 10m

1 stop

3:00 pm - 6:50 pm

HEL

BOS

10h 50m

1 stop

$405Icelandair

Sun, Apr 26 - Thu, Apr 30

8:50 pm - 2:00 pm

BOS

HEL

10h 10m

1 stop

7:10 am - 6:50 pm

HEL

BOS

18h 40m

1 stop

$406Icelandair

Mon, Aug 31 - Thu, Sep 10

Scandinavian Airlines flights from Boston to Helsinki

Our best Scandinavian Airlines deals on Boston to Helsinki flight tickets

Scandinavian Airlines

May 3

BOS5:40 pmBoston Logan Intl

24h 50m

1 stop

HEL1:30 amHelsinki-Vantaa

May 16

HEL6:10 amHelsinki-Vantaa

16h 25m

1 stop

BOS3:35 pmBoston Logan Intl

$338

Scandinavian Airlines

Apr 27

BOS5:40 pmBoston Logan Intl

9h 55m

1 stop

HEL10:35 amHelsinki-Vantaa

May 2

HEL7:10 pmHelsinki-Vantaa

27h 25m

2 stops

BOS3:35 pmBoston Logan Intl

$381

Scandinavian Airlines

May 3

BOS5:40 pmBoston Logan Intl

23h 10m

2 stops

HEL11:50 pmHelsinki-Vantaa

May 16

HEL9:05 pmHelsinki-Vantaa

25h 30m

1 stop

BOS3:35 pmBoston Logan Intl

$385

Icelandair flights from Boston to Helsinki

Our best Icelandair deals on Boston to Helsinki flight tickets

Icelandair

Apr 2

BOS8:50 pmBoston Logan Intl

10h 10m

1 stop

HEL2:00 pmHelsinki-Vantaa

Apr 7

HEL3:00 pmHelsinki-Vantaa

10h 50m

1 stop

BOS6:50 pmBoston Logan Intl

$365

Icelandair

Apr 5

BOS11:00 pmBoston Logan Intl

32h 00m

1 stop

HEL2:00 pmHelsinki-Vantaa

Apr 18

HEL3:00 pmHelsinki-Vantaa

10h 50m

1 stop

BOS6:50 pmBoston Logan Intl

$372

Icelandair

Apr 2

BOS8:50 pmBoston Logan Intl

10h 10m

1 stop

HEL2:00 pmHelsinki-Vantaa

Apr 6

HEL3:00 pmHelsinki-Vantaa

10h 50m

1 stop

BOS6:50 pmBoston Logan Intl

$378

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Sun 5/3

5:40 pm-1:30 am

1 stop24h 50m

Helsinki-Vantaa

Sat 5/16

6:10 am-3:35 pm

1 stop16h 25m

$338

Quickest round-trip

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Thu 4/2

8:50 pm-2:00 pm

1 stop10h 10m

Helsinki-Vantaa

Tue 4/7

3:00 pm-6:50 pm

1 stop10h 50m

$365

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Sun 4/5

11:00 pm-2:00 pm

1 stop32h 00m

Helsinki-Vantaa

Sat 4/18

3:00 pm-6:50 pm

1 stop10h 50m

$372

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Thu 4/2

8:50 pm-2:00 pm

1 stop10h 10m

Helsinki-Vantaa

Mon 4/6

3:00 pm-6:50 pm

1 stop10h 50m

$378

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Mon 4/27

5:40 pm-10:35 am

1 stop9h 55m

Helsinki-Vantaa

Sat 5/2

7:10 pm-3:35 pm

2 stops27h 25m

$381

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Sun 5/3

5:40 pm-11:50 pm

2 stops23h 10m

Helsinki-Vantaa

Sat 5/16

9:05 pm-3:35 pm

1 stop25h 30m

$385

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Sun 5/3

5:40 pm-1:30 am

1 stop24h 50m

Helsinki-Vantaa

Sat 5/16

6:10 am-3:35 pm

1 stop16h 25m

$394

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Sun 5/3

5:40 pm-10:35 am

1 stop9h 55m

Helsinki-Vantaa

Mon 5/18

4:00 pm-3:35 pm

1 stop30h 35m

$399

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Sun 4/26

8:50 pm-2:00 pm

1 stop10h 10m

Helsinki-Vantaa

Thu 4/30

3:00 pm-6:50 pm

1 stop10h 50m

$405

BostonHelsinki

BOS - HEL

BOSHEL

Boston Logan Intl

Mon 8/31

8:50 pm-2:00 pm

1 stop10h 10m

Helsinki-Vantaa

Thu 9/10

7:10 am-6:50 pm

1 stop18h 40m

$406

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Helsinki?

The month of December is, on average, the cheapest month to fly to Helsinki from Boston, with most prices found around $379. If you aren’t able to travel during the month of December, then book flights to Helsinki from Boston during January instead. Flights to Helsinki in January, while not as cheap as those in December, still average around $411.

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

You are more likely to see cheaper flights to Helsinki from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $534 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from Boston for as low as $451 on momondo.

How have Boston to Helsinki flight prices changed over time?

As of March 2026, prices for Boston to Helsinki flights are approximately 44% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Helsinki according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Helsinki (BOS to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Helsinki

Fastest flight time	10h 10m
Direct flights	None

The fastest flight from Boston to Helsinki takes 10h 10m

There are no direct flights from Boston to Helsinki. There are no popular flight routes from Boston to Helsinki.

Search flight deals

How far is Boston Logan Intl to Helsinki-Vantaa by plane?
Helsinki-Vantaa is 3928.7 mi away from Boston Logan Intl. A reasonable flight in good conditions will take 10h 10m.
When did momondo last update prices for flights from Boston Logan Intl Airport to Helsinki-Vantaa Airport?
Prices for flights from Boston Logan Intl Airport to Helsinki-Vantaa Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Boston Logan Intl Airport to Helsinki-Vantaa Airport?
The number of operators available for flights from Boston Logan Intl Airport to Helsinki-Vantaa Airport is 10 as of March 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Helsinki-Vantaa Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Helsinki-Vantaa Airport.
What documentation or ID do you need to fly to Helsinki-Vantaa Airport?
The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Boston to Helsinki?
Based on momondo bookings for flights between Boston and Helsinki, the leading airline is Icelandair, making up 36% of the total bookings. Other popular airlines include Finnair with 16%, American Airlines with 13%, and Scandinavian Airlines with 13%.

Best airlines flying from Boston to Helsinki

Compare and see reviews for airlines that fly from Boston to Helsinki with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $331	Free Cancellation	Rating 7.1 11,488 reviews	Search American Airlines flights
Finnair	PriceFrom $349	Free Cancellation	Rating 7.7 1,374 reviews	Search Finnair flights
Icelandair	PriceFrom $355	Free Cancellation	Rating 7.0 625 reviews	Search Icelandair flights
Air France	PriceFrom $366	Free Cancellation	Rating 7.4 1,547 reviews	Search Air France flights
United Airlines	PriceFrom $392	Free Cancellation	Rating 7.4 9,455 reviews	Search United Airlines flights
Delta	PriceFrom $410	Free Cancellation	Rating 7.9 8,307 reviews	Search Delta flights
KLM	PriceFrom $430	Free Cancellation	Rating 7.8 1,475 reviews	Search KLM flights
British Airways	PriceFrom $431	Free Cancellation	Rating 6.7 7,804 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $448	Free Cancellation	Rating 7.3 1,720 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $466	Free Cancellation	Rating 6.8 7,858 reviews	Search Lufthansa flights

Vantaa

Espoo

Lahti

Kotka

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Helsinki?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Helsinki. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Helsinki with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Helsinki flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Helsinki?

momondo provides multiple filters to help you find the best flight to Helsinki from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to Helsinki right now. Can momondo alert me if prices change?

Price alerts on flights to Helsinki from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.