$265+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — HEL
Jun 29 — Jul 61
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Helsinki with Cheapflights
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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
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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 May 30, 2026.
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 May 30, 2026.
This oojo deal was found by Cheapflights users on 5/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Fri 10/163:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 5/25![Icelandair logo]()
$366
This oojo deal was found by Cheapflights users on 5/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:00 pm
BOS
- HEL
1 stop32h 00m
Icelandair
Sat 10/311:55 pm
HEL
- BOS
1 stop10h 55m
Icelandair
Deal found 5/28![Icelandair logo]()
$368
This FlightHub deal was found by Cheapflights users on 5/25. 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.
Sun 10/1811:00 pm
BOS
- HEL
1 stop32h 00m
Icelandair
Sat 10/243:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 5/25![Icelandair logo]()
$373
This eDestinos deal was found by Cheapflights users on 5/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:50 pm
BOS
- HEL
1 stop10h 05m
Icelandair
Mon 11/301:55 pm
HEL
- BOS
1 stop10h 55m
Icelandair
Deal found 5/28![Icelandair logo]()
$375
This Mytrip deal was found by Cheapflights users on 5/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Fri 9/113:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 5/28![Icelandair logo]()
$379
This oojo deal was found by Cheapflights users on 5/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Mon 9/73:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 5/25![Icelandair logo]()
$381
This oojo deal was found by Cheapflights users on 5/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Mon 9/1411:55 pm
HEL
- BOS
1 stop25h 55m
Icelandair
Deal found 5/28![Icelandair logo]()
$382
This FlightHub deal was found by Cheapflights users on 5/26. 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 9/238:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Tue 9/293:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 5/26![Icelandair logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Sat 9/2611:00 pm
BOS
- HEL
1 stop32h 00m
Icelandair
Thu 10/13:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 5/26![Icelandair logo]()
$399
This Icelandair deal was found by Cheapflights users on 5/26. 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 9/238:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Thu 10/13:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 5/26![Icelandair logo]()
$401
This Mytrip deal was found by Cheapflights users on 5/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Sat 9/123:00 pm
HEL
- BOS
1 stop13h 45m
Icelandair
Deal found 5/28![Icelandair logo]()
$405
Best flights from Boston to HelsinkiDiscover 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 May 30, 2026.
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 May 30, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 5/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:35 pm
BOS
- HEL
1 stop25h 00m
Scandinavian Airlines
Thu 11/127:00 am
HEL
- BOS
2 stops15h 40m
Scandinavian Airlines
Deal found 5/27![Scandinavian Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 5/30. 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.
Wed 11/183:10 pm
BOS
- HEL
2 stops18h 15m
Delta
Wed 11/256:50 am
HEL
- BOS
2 stops18h 37m
Delta
Deal found 5/30![Delta logo]()
$573
This KLM deal was found by Cheapflights users on 5/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:55 pm
BOS
- HEL
1 stop11h 10m
KLM
Sun 6/146:25 pm
HEL
- BOS
1 stop31h 05m
KLM
Deal found 5/27![KLM logo]()
$852
This Icelandair deal was found by Cheapflights users on 5/26. 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.
Fri 7/318:50 pm
BOS
- HEL
1 stop18h 40m
Icelandair
Thu 8/611:40 am
HEL
- BOS
2 stops14h 10m
Icelandair
Deal found 5/26![Icelandair logo]()
$856
This Scandinavian Airlines deal was found by Cheapflights users on 5/26. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:40 pm
BOS
- HEL
1 stop19h 45m
Scandinavian Airlines
Mon 9/79:05 pm
HEL
- BOS
1 stop25h 30m
Scandinavian Airlines
Deal found 5/26![Scandinavian Airlines logo]()
$550
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:10 pm
BOS
- HEL
1 stop14h 30m
Delta
Wed 7/227:00 am
HEL
- BOS
2 stops19h 16m
Delta
Deal found 5/29![Delta logo]()
$800
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/161:10 pm
BOS
- HEL
2 stops16h 55m
Delta
Tue 6/307:00 am
HEL
- BOS
1 stop13h 05m
Delta
Deal found 5/29![Delta logo]()
$806
This Scandinavian Airlines deal was found by Cheapflights users on 5/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:40 pm
BOS
- HEL
2 stops18h 30m
Scandinavian Airlines
Sat 8/157:15 am
HEL
- BOS
2 stops15h 20m
Scandinavian Airlines
Deal found 5/28![Scandinavian Airlines logo]()
$835
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:55 pm
BOS
- HEL
2 stops16h 45m
Delta
Sat 7/251:55 pm
HEL
- BOS
2 stops15h 48m
Delta
Deal found 5/27![Delta logo]()
$867
Last-minute flights from Boston to HelsinkiDiscover last-minute flight deals from Boston to Helsinki. Data last updated May 30, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Helsinki. Data last updated May 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/26. 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.
Thu 5/287:00 pm
BOS
- HEL
1 stop14h 40m
Delta
Wed 6/107:00 am
HEL
- BOS
1 stop16h 35m
Delta
Deal found 5/26![Delta logo]()
$609
This oojo deal was found by Cheapflights users on 5/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Sun 6/73:00 pm
HEL
- BOS
1 stop13h 45m
Icelandair
Deal found 5/28![Icelandair logo]()
$646
This KLM deal was found by Cheapflights users on 5/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:10 pm
BOS
- HEL
1 stop16h 30m
Multiple Airlines
Sun 6/76:25 pm
HEL
- BOS
1 stop29h 10m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$675
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/24:15 pm
BOS
- HEL
2 stops17h 25m
Delta
Sun 6/77:00 am
HEL
- BOS
1 stop16h 35m
Delta
Deal found 5/27![Delta logo]()
$729
This oojo deal was found by Cheapflights users on 5/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/118:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Sat 6/2711:30 pm
HEL
- BOS
1 stop29h 15m
Icelandair
Deal found 5/27![Icelandair logo]()
$648
This Gotogate deal was found by Cheapflights users on 5/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1211:00 pm
BOS
- HEL
1 stop16h 30m
Icelandair
Thu 6/183:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 5/29![Icelandair logo]()
$744
This Kiwi.com deal was found by Cheapflights users on 5/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Mon 6/223:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 5/28![Icelandair logo]()
$724
This Icelandair deal was found by Cheapflights users on 5/28. 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.
Mon 6/158:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Thu 6/253:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 5/28![Icelandair logo]()
$727
One-way flights from Boston to HelsinkiSearch for one-way flight options from Boston to Helsinki. Find affordable one-way fares based on user searches. Data last updated May 30, 2026.
Search for one-way flight options from Boston to Helsinki. Find affordable one-way fares based on user searches. Data last updated May 30, 2026.
This oojo deal was found by Cheapflights users on 5/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:00 pm
BOS
- HEL
1 stop32h 00m
Icelandair
Deal found 5/25![Icelandair logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:50 pm
BOS
- HEL
1 stop10h 05m
Icelandair
Deal found 5/27![Icelandair logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Fri 10/2311:00 pm
BOS
- HEL
1 stop31h 55m
Icelandair
Deal found 5/26![Icelandair logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Deal found 5/27![Icelandair logo]()
$278
This Icelandair deal was found by Cheapflights users on 5/25. 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.
Mon 8/318:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Deal found 5/25![Icelandair logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Sat 10/248:50 pm
BOS
- HEL
2 stops15h 50m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:50 pm
BOS
- HEL
2 stops16h 55m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 5/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:50 pm
BOS
- HEL
2 stops31h 05m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Fri 8/288:50 pm
BOS
- HEL
2 stops15h 55m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$308
This Mytrip deal was found by Cheapflights users on 5/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Deal found 5/29![Icelandair logo]()
$309
Find 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 May 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $366 (oojo) |
One-way from | $265 (oojo) |
Popular in | June |
Cheapest in | December |
Average price | $904 |
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 May 30, 2026.
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
Cheapest round-trip
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Sun 11/8
5:35 pm-1:35 am
1 stop25h 00m
Helsinki-Vantaa
Thu 11/12
7:00 am-3:40 pm
2 stops15h 40m
$482
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Fri 9/4
5:40 pm-8:25 pm
1 stop19h 45m
Helsinki-Vantaa
Mon 9/7
9:05 pm-3:35 pm
1 stop25h 30m
$550
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Wed 11/18
3:10 pm-4:25 pm
2 stops18h 15m
Helsinki-Vantaa
Wed 11/25
6:50 am-6:27 pm
2 stops18h 37m
$573
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Tue 7/7
7:10 pm-4:40 pm
1 stop14h 30m
Helsinki-Vantaa
Wed 7/22
7:00 am-7:16 pm
2 stops19h 16m
$800
Quickest round-trip
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Tue 6/16
1:10 pm-1:05 pm
2 stops16h 55m
Helsinki-Vantaa
Tue 6/30
7:00 am-1:05 pm
1 stop13h 05m
$806
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Wed 8/5
5:40 pm-7:10 pm
2 stops18h 30m
Helsinki-Vantaa
Sat 8/15
7:15 am-3:35 pm
2 stops15h 20m
$835
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Thu 6/11
6:55 pm-1:05 pm
1 stop11h 10m
Helsinki-Vantaa
Sun 6/14
6:25 pm-6:30 pm
1 stop31h 05m
$852
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Fri 7/31
8:50 pm-10:30 pm
1 stop18h 40m
Helsinki-Vantaa
Thu 8/6
11:40 am-6:50 pm
2 stops14h 10m
$856
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Wed 7/8
5:55 pm-5:40 pm
2 stops16h 45m
Helsinki-Vantaa
Sat 7/25
1:55 pm-10:43 pm
2 stops15h 48m
$867
Cheapest one-way
Quickest one-way
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Wed 9/30
8:50 pm-2:00 pm
1 stop10h 10m
$309
Showing 1-10 of 17 resultsSorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Helsinki flight deals on Cheapflights vs. FlightHub >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 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 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.
BOS-HEL
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
Prices
More
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 69 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, December is the cheapest month in which you can book a flight from Boston to Helsinki (average of $381). Flying from Boston to Helsinki in June is currently the most expensive (average of $992). 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 Boston to Helsinki?
What’s the top layover airport for flights from Boston to Helsinki?
Share of 1-stop round-trip flights from Boston to Helsinki chosen by Cheapflights users in the past 12 months, using the same layover each way.
New York (JFK) – chosen by Cheapflights users on 90% of 1-stop itineraries from Boston to Helsinki on Cheapflights.
What’s the cheapest layover airport for flights from Boston to Helsinki?
Average round-trip fare for 1-stop flights from Boston to Helsinki, chosen by Cheapflights users in the past 12 months, with the same layover each way.
New York (JFK) is the most affordable 1-stop option, with an average round-trip price of $507.
What’s the fastest layover option from Boston to Helsinki?
Shortest average travel time for 1-stop one-way flights from Boston to Helsinki, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 10h 10m.
Which airport typically offers the quickest layover for flights from Boston to Helsinki?
Average layover duration for 1-stop one-way flights from Boston to Helsinki, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 15m.
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 May 30, 2026.
Peruse reviews from past customers who have flown with Finnair,Scandinavian Airlines, andAmerican 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.
Boarding
7.7
Overall
7.7
Entertainment
6.9
Food
6.7
Crew
8.2
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
LAX - HEL
Boarding
7.7
Overall
7.7
Entertainment
6.9
Food
6.7
Crew
8.2
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
LAX - HEL
Boarding
7.7
Overall
7.7
Entertainment
6.9
Food
6.7
Crew
8.2
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
LAX - HEL
Boarding
7.7
Overall
7.7
Entertainment
6.9
Food
6.7
Crew
8.2
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
LAX - HEL
Boarding
7.7
Overall
7.7
Entertainment
6.9
Food
6.7
Crew
8.2
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
LAX - HEL
Boarding
7.7
Overall
7.7
Entertainment
6.9
Food
6.7
Crew
8.2
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
LAX - HEL
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.
Traveling to a place near Helsinki?
Book flights to Helsinki if you plan to visit one of these locationsVantaa
Lahti
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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 May 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$331 | Average$561 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$348 | Average$399 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$354 | Average$490 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$366 | Average$612 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$379 | Average$643 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$392 | Average$1,096 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$410 | Average$801 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$430 | Average$874 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$431 | Average$749 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$446 | Average$659 | FlexibilityNo cancel fee | On-time77% |