$268+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — HEL
Aug 27 — Sep 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Helsinki
Cheapest
Best
Last-minute
One-way
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 July 28, 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 July 28, 2026.
This FlightHub deal was found by Cheapflights users on 7/26. 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 10/218:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Wed 10/282:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 7/26![Icelandair logo]()
$444
This Justfly.com deal was found by Cheapflights users on 7/27. 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 Justfly.com 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 10/312:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 7/27![Icelandair logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 10/225:50 pm
BOS
- HEL
1 stop9h 45m
Scandinavian Airlines
Thu 10/296:15 am
HEL
- BOS
1 stop16h 25m
Scandinavian Airlines
Deal found 7/23![Scandinavian Airlines logo]()
$447
This deal was found by Cheapflights users on 7/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Thu 10/83:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 7/23![Icelandair logo]()
$449
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:50 pm
BOS
- HEL
2 stops12h 55m
Scandinavian Airlines
Tue 10/277:00 am
HEL
- BOS
2 stops15h 40m
Scandinavian Airlines
Deal found 7/27![Scandinavian Airlines logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 10/205:40 pm
BOS
- HEL
1 stop9h 55m
Scandinavian Airlines
Sat 10/249:05 pm
HEL
- BOS
1 stop26h 35m
Scandinavian Airlines
Deal found 7/27![Scandinavian Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Tue 10/205:40 pm
BOS
- HEL
1 stop9h 55m
Scandinavian Airlines
Fri 10/309:25 pm
HEL
- BOS
2 stops25h 15m
Scandinavian Airlines
Deal found 7/26![Scandinavian Airlines logo]()
$456
This oojo deal was found by Cheapflights users on 7/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:35 pm
BOS
- HEL
1 stop10h 00m
Scandinavian Airlines
Sat 12/127:45 pm
HEL
- BOS
2 stops26h 55m
Scandinavian Airlines
Deal found 7/26![Scandinavian Airlines logo]()
$458
This Justfly.com deal was found by Cheapflights users on 7/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:40 pm
BOS
- HEL
1 stop14h 40m
Scandinavian Airlines
Tue 9/89:05 pm
HEL
- BOS
1 stop25h 30m
Scandinavian Airlines
Deal found 7/25![Scandinavian Airlines logo]()
$459
This FlightHub deal was found by Cheapflights users on 7/26. 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 10/215:50 pm
BOS
- HEL
1 stop9h 45m
Scandinavian Airlines
Mon 10/269:45 am
HEL
- BOS
2 stops12h 55m
Scandinavian Airlines
Deal found 7/26![Scandinavian Airlines logo]()
$460
This Scandinavian Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 10/245:50 pm
BOS
- HEL
1 stop10h 45m
Scandinavian Airlines
Mon 10/2611:15 am
HEL
- BOS
1 stop11h 25m
Scandinavian Airlines
Deal found 7/27![Scandinavian Airlines logo]()
$461
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 July 28, 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 July 28, 2026.
This United deal was found by Cheapflights users on 7/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:05 pm
BOS
- HEL
1 stop15h 50m
Multiple Airlines
Mon 9/77:40 pm
HEL
- BOS
1 stop29h 00m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$471
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:40 pm
BOS
- HEL
1 stop9h 55m
Scandinavian Airlines
Fri 10/166:10 am
HEL
- BOS
1 stop16h 25m
Scandinavian Airlines
Deal found 7/27![Scandinavian Airlines logo]()
$485
This Trip.com deal was found by Cheapflights users on 7/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:00 pm
BOS
- HEL
1 stop19h 30m
Lufthansa
Wed 8/266:35 am
HEL
- BOS
1 stop16h 05m
Lufthansa
Deal found 7/27![Lufthansa logo]()
$512
This Delta deal was found by Cheapflights users on 7/27. 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 8/254:45 pm
BOS
- HEL
1 stop13h 20m
Delta
Tue 9/16:10 am
HEL
- BOS
2 stops17h 03m
Delta
Deal found 7/27![Delta logo]()
$531
This Scandinavian Airlines deal was found by Cheapflights users on 7/27. 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 12/65:35 pm
BOS
- HEL
2 stops23h 15m
Scandinavian Airlines
Thu 12/109:35 pm
HEL
- BOS
2 stops49h 05m
Scandinavian Airlines
Deal found 7/27![Scandinavian Airlines logo]()
$496
This Lufthansa deal was found by Cheapflights users on 7/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:15 pm
BOS
- HEL
2 stops15h 50m
Lufthansa
Wed 10/287:05 am
HEL
- BOS
2 stops18h 30m
Lufthansa
Deal found 7/27![Lufthansa logo]()
$519
This Delta deal was found by Cheapflights users on 7/24. 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 11/183:34 pm
BOS
- HEL
2 stops18h 51m
Delta
Wed 11/256:40 am
HEL
- BOS
2 stops19h 41m
Delta
Deal found 7/24![Delta logo]()
$540
This Scandinavian Airlines deal was found by Cheapflights users on 7/26. 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.
Sun 10/185:50 pm
BOS
- HEL
1 stop9h 45m
Scandinavian Airlines
Sun 10/259:00 pm
HEL
- BOS
1 stop25h 40m
Scandinavian Airlines
Deal found 7/26![Scandinavian Airlines logo]()
$512
This Delta deal was found by Cheapflights users on 7/23. 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 10/209:45 pm
BOS
- HEL
1 stop11h 55m
Delta
Sat 10/246:10 am
HEL
- BOS
2 stops23h 58m
Delta
Deal found 7/23![Delta logo]()
$545
This Scandinavian Airlines deal was found by Cheapflights users on 7/24. 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 12/65:35 pm
BOS
- HEL
2 stops23h 15m
Scandinavian Airlines
Sun 12/134:50 pm
HEL
- BOS
2 stops53h 50m
Scandinavian Airlines
Deal found 7/24![Scandinavian Airlines logo]()
$526
This Delta deal was found by Cheapflights users on 7/23. 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 10/2112:00 pm
BOS
- HEL
2 stops21h 40m
Delta
Sat 10/241:55 pm
HEL
- BOS
1 stop31h 30m
Delta
Deal found 7/23![Delta logo]()
$549
This Delta deal was found by Cheapflights users on 7/26. 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 8/1312:25 pm
BOS
- HEL
2 stops17h 40m
Delta
Mon 8/247:00 am
HEL
- BOS
1 stop13h 18m
Delta
Deal found 7/26![Delta logo]()
$606
Last-minute flights from Boston to HelsinkiDiscover last-minute flight deals from Boston to Helsinki. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Helsinki. Data last updated July 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/1211:00 pm
BOS
- HEL
1 stop32h 00m
Icelandair
Thu 8/203:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 7/23![Icelandair logo]()
$468
This Justfly.com deal was found by Cheapflights users on 7/23. 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.
Wed 8/1210:00 pm
BOS
- HEL
1 stop19h 40m
Lufthansa
Tue 8/187:05 am
HEL
- BOS
1 stop15h 35m
Lufthansa
Deal found 7/23![Lufthansa logo]()
$490
This Icelandair deal was found by Cheapflights users on 7/23. 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.
Thu 8/138:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Thu 8/203:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 7/23![Icelandair logo]()
$469
This KAYAK deal was found by Cheapflights users on 7/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:05 pm
BOS
- HEL
1 stop15h 50m
Lufthansa
Tue 8/187:05 am
HEL
- BOS
1 stop15h 35m
Lufthansa
Deal found 7/23![Lufthansa logo]()
$474
This Lufthansa deal was found by Cheapflights users on 7/26. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:00 pm
BOS
- HEL
1 stop19h 30m
Lufthansa
Mon 8/247:40 pm
HEL
- BOS
1 stop29h 00m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$493
This oojo deal was found by Cheapflights users on 7/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:05 pm
BOS
- HEL
1 stop15h 50m
Lufthansa
Mon 9/77:40 pm
HEL
- BOS
1 stop29h 00m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$470
This Justfly.com deal was found by Cheapflights users on 7/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:05 pm
BOS
- HEL
1 stop15h 50m
Lufthansa
Tue 9/17:40 pm
HEL
- BOS
1 stop29h 00m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$471
This FlightHub deal was found by Cheapflights users on 7/26. 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.
Tue 8/255:45 pm
BOS
- HEL
1 stop16h 15m
Lufthansa
Tue 9/17:40 pm
HEL
- BOS
1 stop29h 00m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$492
This KAYAK deal was found by Cheapflights users on 7/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:00 pm
BOS
- HEL
1 stop19h 40m
Lufthansa
Mon 9/77:40 pm
HEL
- BOS
1 stop29h 00m
Lufthansa
Deal found 7/25![Lufthansa logo]()
$498
This Icelandair deal was found by Cheapflights users on 7/25. 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.
Sat 8/298:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Wed 9/93:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 7/25![Icelandair logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Sun 8/308:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Wed 9/93:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 7/25![Icelandair logo]()
$479
This KAYAK deal was found by Cheapflights users on 7/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:05 pm
BOS
- HEL
1 stop15h 50m
Lufthansa
Thu 9/37:40 pm
HEL
- BOS
1 stop29h 00m
Lufthansa
Deal found 7/25![Lufthansa logo]()
$476
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 July 28, 2026.
Search for one-way flight options from Boston to Helsinki. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Mytrip deal was found by Cheapflights users on 7/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:50 pm
BOS
- HEL
1 stop18h 40m
Icelandair
Deal found 7/26![Icelandair logo]()
$268
This Mytrip deal was found by Cheapflights users on 7/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:00 pm
BOS
- HEL
1 stop32h 00m
Icelandair
Deal found 7/25![Icelandair logo]()
$274
This Booking.com deal was found by Cheapflights users on 7/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:00 pm
BOS
- HEL
1 stop32h 00m
Icelandair
Deal found 7/26![Icelandair logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Sun 10/1811:35 pm
BOS
- HEL
2 stops32h 00m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Mon 10/128:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Deal found 7/26![Icelandair logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Sun 10/1811:00 pm
BOS
- HEL
1 stop32h 00m
Icelandair
Deal found 7/26![Icelandair logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/211:00 pm
BOS
- HEL
1 stop32h 00m
Icelandair
Deal found 7/24![Icelandair logo]()
$294
This oojo deal was found by Cheapflights users on 7/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:00 pm
BOS
- HEL
1 stop32h 00m
Icelandair
Deal found 7/26![Icelandair logo]()
$300
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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $444 (FlightHub) |
One-way from | $268 (Mytrip) |
Popular in | June |
Cheapest in | December |
Average price | $839 |
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 July 28, 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
Thu 9/3
8:05 pm-6:55 pm
1 stop15h 50m
Helsinki-Vantaa
Mon 9/7
7:40 pm-5:40 pm
1 stop29h 00m
$471
Quickest round-trip
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Fri 10/9
5:40 pm-10:35 am
1 stop9h 55m
Helsinki-Vantaa
Fri 10/16
6:10 am-3:35 pm
1 stop16h 25m
$485
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Sun 12/6
5:35 pm-11:50 pm
2 stops23h 15m
Helsinki-Vantaa
Thu 12/10
9:35 pm-3:40 pm
2 stops49h 05m
$496
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Mon 8/17
10:00 pm-12:30 am
1 stop19h 30m
Helsinki-Vantaa
Wed 8/26
6:35 am-3:40 pm
1 stop16h 05m
$512
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Sun 10/18
5:50 pm-10:35 am
1 stop9h 45m
Helsinki-Vantaa
Sun 10/25
9:00 pm-4:40 pm
1 stop25h 40m
$512
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Wed 10/21
2:15 pm-1:05 pm
2 stops15h 50m
Helsinki-Vantaa
Wed 10/28
7:05 am-7:35 pm
2 stops18h 30m
$519
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Sun 12/6
5:35 pm-11:50 pm
2 stops23h 15m
Helsinki-Vantaa
Sun 12/13
4:50 pm-3:40 pm
2 stops53h 50m
$526
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Tue 8/25
4:45 pm-1:05 pm
1 stop13h 20m
Helsinki-Vantaa
Tue 9/1
6:10 am-4:13 pm
2 stops17h 03m
$531
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Wed 11/18
3:34 pm-5:25 pm
2 stops18h 51m
Helsinki-Vantaa
Wed 11/25
6:40 am-7:21 pm
2 stops19h 41m
$540
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Tue 10/20
9:45 pm-4:40 pm
1 stop11h 55m
Helsinki-Vantaa
Sat 10/24
6:10 am-11:08 pm
2 stops23h 58m
$545
Showing 1-10 of 22 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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 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 $379). Flying from Boston to Helsinki in June is currently the most expensive (average of $961). 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?
Airfare is below average for this route at the moment.
Boston to Helsinki flights typically cost between $482 and $754 in October.The cheapest round-trip price found within the last 5 days was $444 on Icelandair (Oct 21-Oct 28).
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.
Copenhagen (CPH) – chosen by Cheapflights users on 60% 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.
Copenhagen (CPH) is the most affordable 1-stop option, with an average round-trip price of $407.
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 Copenhagen (CPH) have the shortest average one-way travel time for 1-stop routes: 9h 55m.
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 Copenhagen (CPH) 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 July 28, 2026.
Peruse reviews from past customers who have flown with Delta,Finnair, andScandinavian 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.
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
Helsinki flight routes
Other flight options
Other flights from Boston
Popular flights
Complete your trip
Complete your trip to Helsinki by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Helsinki by cabin class
Find flights from Boston to Helsinki, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Helsinki
Explore flights to Helsinki departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 28, 2026.
Boston and Helsinki flights
Browse other Boston and Helsinki flight options. Last updated on July 28, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on July 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from Boston to Helsinki
Discover the top 8 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 July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$331 | Average$561 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$348 | Average$362 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$355 | Average$476 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$366 | Average$615 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$379 | Average$771 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$413 | Average$801 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$418 | Average$630 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$430 | Average$884 | FlexibilityNo cancel fee | On-time75% |