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

Reykjavik (KEF) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Helsinki?

Icelandair, Scandinavian Airlines and Delta 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 56% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 8 different airlines that fly to Helsinki on a routine basis, so you have a few additional options to choose from.

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

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $588.

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

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

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

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 42m.

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

Reykjavik (KEF) has the shortest average layover time for this route: 1h 43m.

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 8 as of November 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.

$291 Cheap Flights from Boston to Helsinki in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

5:35 pm - 8:20 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

19h 45m1 stop Kastrup Copenhagen

6:15 am - 3:45 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

16h 30m1 stop Kastrup Copenhagen

$383Scandinavian Airlines

Wed, Jan 13 - Wed, Jan 27

5:35 pm - 1:35 amBOS Boston Logan Intl-HEL Helsinki-Vantaa

25h 00m1 stop Kastrup Copenhagen

6:15 am - 3:45 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

16h 30m1 stop Kastrup Copenhagen

$383Scandinavian Airlines

Sun, Dec 6 - Wed, Dec 9

7:50 pm - 1:00 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

10h 10m1 stop Reykjavik Keflavik Intl

2:00 pm - 5:50 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

10h 50m1 stop Reykjavik Keflavik Intl

$391Icelandair

Wed, Jan 13 - Wed, Jan 27

7:50 pm - 1:00 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

10h 10m1 stop Reykjavik Keflavik Intl

2:00 pm - 5:50 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

10h 50m1 stop Reykjavik Keflavik Intl

$404Icelandair

Mon, Nov 23 - Tue, Dec 8

8:40 pm - 6:45 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

15h 05m1 stop Munich Franz Josef Strauss

12:35 pm - 6:35 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

13h 00m1 stop Munich Franz Josef Strauss

$428Lufthansa

Mon, Nov 23 - Tue, Dec 8

10:25 am - 6:45 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

25h 20m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss

12:35 pm - 6:35 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

13h 00m1 stop Munich Franz Josef Strauss

$430Multiple Airlines

Mon, Nov 23 - Tue, Dec 8

10:25 am - 6:45 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

25h 20m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss

12:35 pm - 6:35 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

13h 00m1 stop Munich Franz Josef Strauss

$435Multiple Airlines

Mon, Nov 30 - Mon, Dec 7

8:40 pm - 6:45 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

15h 05m1 stop Munich Franz Josef Strauss

12:35 pm - 6:35 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

13h 00m1 stop Munich Franz Josef Strauss

$446Lufthansa

Tue, Dec 1 - Tue, Dec 8

5:05 pm - 5:25 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

17h 20m2 stops New York John F Kennedy Intl Amsterdam Schiphol

6:40 am - 10:20 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

22h 40m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$574Delta

Mon, Nov 23 - Tue, Dec 8

7:25 pm - 5:25 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

15h 00m1 stop Amsterdam Schiphol

6:40 am - 8:32 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

20h 52m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$687Delta

Sun, Nov 22 - Fri, Nov 27

Cheap last minute flights

Enter your travel dates to find the best prices.

10:25 am - 6:45 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

25h 20m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

12:35 pm - 6:35 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

13h 00m1 stop Munich Franz Josef Strauss

$459United Airlines

Thu, Nov 5 - Thu, Nov 26

6:00 am - 11:50 amBOS Boston Logan Intl-HEL Helsinki-Vantaa

22h 50m2 stops Newark Munich Franz Josef Strauss

12:35 pm - 6:35 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

13h 00m1 stop Munich Franz Josef Strauss

$459United Airlines

Thu, Nov 5 - Tue, Nov 24

12:00 pm - 11:50 amBOS Boston Logan Intl-HEL Helsinki-Vantaa

16h 50m2 stops Newark Munich Franz Josef Strauss

12:35 pm - 6:35 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

13h 00m1 stop Munich Franz Josef Strauss

$459United Airlines

Thu, Nov 5 - Wed, Nov 25

8:40 pm - 6:45 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

15h 05m1 stop Munich Franz Josef Strauss

7:05 am - 1:45 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

13h 40m1 stop Frankfurt am Main

$461Lufthansa

Wed, Nov 4 - Sun, Nov 8

4:05 pm - 12:55 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

13h 50m1 stop Frankfurt am Main

12:35 pm - 6:35 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

13h 00m1 stop Munich Franz Josef Strauss

$474Lufthansa

Thu, Nov 5 - Thu, Nov 26

4:05 pm - 4:50 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

17h 45m1 stop Frankfurt am Main

12:35 pm - 6:35 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

13h 00m1 stop Munich Franz Josef Strauss

$475Lufthansa

Thu, Nov 5 - Wed, Nov 25

6:20 pm - 4:40 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

15h 20m1 stop Paris Charles de Gaulle

6:40 am - 2:13 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

14h 33m1 stop Amsterdam Schiphol

$572Delta

Fri, Nov 6 - Tue, Nov 10

5:00 pm - 4:40 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

16h 40m2 stops Cincinnati Cinci./N. Kentucky Paris Charles de Gaulle

2:05 pm - 7:01 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

11h 56m1 stop Amsterdam Schiphol

$592Delta

Sat, Nov 7 - Fri, Nov 13

9:10 am - 1:35 amBOS Boston Logan Intl-HEL Helsinki-Vantaa

33h 25m2 stops New York John F Kennedy Intl Kastrup Copenhagen

6:15 am - 10:56 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

23h 41m2 stops Kastrup Copenhagen New York John F Kennedy Intl

$1,077Scandinavian Airlines

Thu, Nov 5 - Sat, Nov 28

6:20 am - 3:25 pmBOS Boston Logan Intl-HEL Helsinki-Vantaa

26h 05m2 stops Newark Kastrup Copenhagen

6:15 am - 3:45 pmHEL Helsinki-Vantaa-BOS Boston Logan Intl

16h 30m1 stop Kastrup Copenhagen

$1,117Scandinavian Airlines

Thu, Nov 5 - Sat, Nov 28

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Icelandair flights from Boston to Helsinki

Our best Icelandair deals on Boston to Helsinki flight tickets

Icelandair

Nov 23

BOS7:50 pmBoston Logan Intl

10h 10m

1 stop

HEL1:00 pmHelsinki-Vantaa

Dec 8

HEL2:00 pmHelsinki-Vantaa

10h 50m

1 stop

BOS5:50 pmBoston Logan Intl

$404

Icelandair

Dec 6

BOS7:50 pmBoston Logan Intl

10h 10m

1 stop

HEL1:00 pmHelsinki-Vantaa

Dec 11

HEL2:00 pmHelsinki-Vantaa

10h 50m

1 stop

BOS5:50 pmBoston Logan Intl

$409

Icelandair

Mar 28

BOS8:50 pmBoston Logan Intl

10h 10m

1 stop

HEL2:00 pmHelsinki-Vantaa

Apr 8

HEL3:00 pmHelsinki-Vantaa

13h 45m

1 stop

BOS9:45 pmBoston Logan Intl

$418

Lufthansa flights from Boston to Helsinki

Our best Lufthansa deals on Boston to Helsinki flight tickets

Lufthansa

Nov 23

BOS8:40 pmBoston Logan Intl

15h 05m

1 stop

HEL6:45 pmHelsinki-Vantaa

Dec 8

HEL12:35 pmHelsinki-Vantaa

13h 00m

1 stop

BOS6:35 pmBoston Logan Intl

$428

Lufthansa

Dec 1

BOS8:40 pmBoston Logan Intl

15h 05m

1 stop

HEL6:45 pmHelsinki-Vantaa

Dec 8

HEL12:35 pmHelsinki-Vantaa

13h 00m

1 stop

BOS6:35 pmBoston Logan Intl

$446

Lufthansa

Dec 1

BOS8:40 pmBoston Logan Intl

15h 05m

1 stop

HEL6:45 pmHelsinki-Vantaa

Dec 7

HEL12:35 pmHelsinki-Vantaa

13h 00m

1 stop

BOS6:35 pmBoston Logan Intl

$453

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonHelsinki

BOS Boston Logan Intl - HEL Helsinki-Vantaa

BOSHEL

Boston Logan Intl

Wed 1/13

5:35 pm-8:20 pm

1 stop19h 45m

Helsinki-Vantaa

Wed 1/27

6:15 am-3:45 pm

1 stop16h 30m

$383

BostonHelsinki

BOS Boston Logan Intl - HEL Helsinki-Vantaa

BOSHEL

Boston Logan Intl

Sun 12/6

5:35 pm-1:35 am

1 stop25h 00m

Helsinki-Vantaa

Wed 12/9

6:15 am-3:45 pm

1 stop16h 30m

$383

Quickest round-trip

BostonHelsinki

BOS Boston Logan Intl - HEL Helsinki-Vantaa

BOSHEL

Boston Logan Intl

Wed 1/13

7:50 pm-1:00 pm

1 stop10h 10m

Helsinki-Vantaa

Wed 1/27

2:00 pm-5:50 pm

1 stop10h 50m

$391

BostonHelsinki

BOS Boston Logan Intl - HEL Helsinki-Vantaa

BOSHEL

Boston Logan Intl

Mon 11/23

7:50 pm-1:00 pm

1 stop10h 10m

Helsinki-Vantaa

Tue 12/8

2:00 pm-5:50 pm

1 stop10h 50m

$404

BostonHelsinki

BOS Boston Logan Intl - HEL Helsinki-Vantaa

BOSHEL

Boston Logan Intl

Mon 11/23

8:40 pm-6:45 pm

1 stop15h 05m

Helsinki-Vantaa

Tue 12/8

12:35 pm-6:35 pm

1 stop13h 00m

$428

BostonHelsinki

BOS Boston Logan Intl - HEL Helsinki-Vantaa

BOSHEL

Boston Logan Intl

Mon 11/23

10:25 am-6:45 pm

2 stops25h 20m

Helsinki-Vantaa

Tue 12/8

12:35 pm-6:35 pm

1 stop13h 00m

$430

BostonHelsinki

BOS Boston Logan Intl - HEL Helsinki-Vantaa

BOSHEL

Boston Logan Intl

Mon 11/30

10:25 am-6:45 pm

2 stops25h 20m

Helsinki-Vantaa

Mon 12/7

12:35 pm-6:35 pm

1 stop13h 00m

$435

BostonHelsinki

BOS Boston Logan Intl - HEL Helsinki-Vantaa

BOSHEL

Boston Logan Intl

Tue 12/1

8:40 pm-6:45 pm

1 stop15h 05m

Helsinki-Vantaa

Tue 12/8

12:35 pm-6:35 pm

1 stop13h 00m

$446

BostonHelsinki

BOS Boston Logan Intl - HEL Helsinki-Vantaa

BOSHEL

Boston Logan Intl

Mon 11/23

5:05 pm-5:25 pm

2 stops17h 20m

Helsinki-Vantaa

Tue 12/8

6:40 am-10:20 pm

2 stops22h 40m

$574

BostonHelsinki

BOS Boston Logan Intl - HEL Helsinki-Vantaa

BOSHEL

Boston Logan Intl

Sun 11/22

7:25 pm-5:25 pm

1 stop15h 00m

Helsinki-Vantaa

Fri 11/27

6:40 am-8:32 pm

2 stops20h 52m

$687

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 typical price of a round-trip flight between Boston and Helsinki?

Prices are currently low for flights on this route.

Typical prices usually range from $446 to $714.
The lowest price recently found on this route was $383.

What is the cheapest month to fly to Helsinki?

The month of October is, on average, the cheapest month to fly to Helsinki from Boston, with most prices found around $438. If you aren’t able to travel during the month of October, then book flights to Helsinki from Boston during March instead. Flights to Helsinki in March, while not as cheap as those in October, still average around $464.

How far in advance should I book a flight from Boston 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 $638 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 $429 on momondo.

How have Boston to Helsinki flight prices changed over time?

As of November 2026, prices for Boston to Helsinki flights are approximately 68% 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

Best Price Found	$291
Fastest flight time	9h 55m
Direct flights	None

The best one-way flight to Helsinki from Boston in the past 72 hours is $291. The best round-trip flight deal from Boston to Helsinki found on momondo in the last 72 hours is $383.

The fastest flight from Boston to Helsinki takes 9h 55m

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

Search flight deals

Frequently asked questions about flying from Boston to Helsinki

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 9h 55m.
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 8 as of November 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 45% of the total bookings. Other popular airlines include Scandinavian Airlines with 21%, Delta with 9%, and Finnair with 6%.

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
Air France	PriceFrom $366	Free Cancellation	Rating 7.5 1,651 reviews	Search Air France flights
Icelandair	PriceFrom $366	Free Cancellation	Rating 6.9 766 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $393	Free Cancellation	Rating 7.4 2,030 reviews	Search Scandinavian Airlines flights
Finnair	PriceFrom $427	Free Cancellation	Rating 7.6 1,416 reviews	Search Finnair flights
Delta	PriceFrom $430	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
Lufthansa	PriceFrom $467	Free Cancellation	Rating 6.8 8,299 reviews	Search Lufthansa flights
American Airlines	PriceFrom $482	Free Cancellation	Rating 7.0 12,228 reviews	Search American Airlines flights
KLM	PriceFrom $569	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM 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.