$205+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — HEL
Aug 11 — Aug 181
Round-trip
1 adult, Economy
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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 July 12, 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 12, 2026.
This oojo deal was found by Cheapflights users on 7/9. 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 12/57:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Sat 12/122:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 7/9![Icelandair logo]()
$364
This oojo deal was found by Cheapflights users on 7/9. 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 10/312:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 7/9![Icelandair logo]()
$366
This oojo deal was found by Cheapflights users on 7/8. 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 9/138:50 pm
BOS
- HEL
1 stop19h 10m
Icelandair
Fri 10/163:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 7/8![Icelandair logo]()
$371
This oojo deal was found by Cheapflights users on 7/10. 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 9/165:40 pm
BOS
- HEL
1 stop9h 55m
Scandinavian Airlines
Wed 9/237:15 am
HEL
- BOS
2 stops15h 20m
Scandinavian Airlines
Deal found 7/10![Scandinavian Airlines logo]()
$376
This oojo deal was found by Cheapflights users on 7/9. 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 9/155:40 pm
BOS
- HEL
1 stop14h 40m
Scandinavian Airlines
Tue 9/296:10 am
HEL
- BOS
1 stop16h 25m
Scandinavian Airlines
Deal found 7/9![Scandinavian Airlines logo]()
$377
This Sembo deal was found by Cheapflights users on 7/9. 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 Sembo 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
Mon 9/1411:55 pm
HEL
- BOS
1 stop25h 55m
Icelandair
Deal found 7/9![Icelandair logo]()
$385
This FlightHub deal was found by Cheapflights users on 7/9. 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 9/165:40 pm
BOS
- HEL
1 stop9h 55m
Scandinavian Airlines
Mon 9/289:05 pm
HEL
- BOS
1 stop25h 30m
Scandinavian Airlines
Deal found 7/9![Scandinavian Airlines logo]()
$389
This FlightHub deal was found by Cheapflights users on 7/9. 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 9/155:40 pm
BOS
- HEL
1 stop24h 50m
Scandinavian Airlines
Wed 9/309:15 pm
HEL
- BOS
2 stops25h 20m
Scandinavian Airlines
Deal found 7/9![Scandinavian Airlines logo]()
$390
This FlightHub deal was found by Cheapflights users on 7/10. 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.
Mon 11/95:35 pm
BOS
- HEL
2 stops23h 15m
Scandinavian Airlines
Sun 11/156:35 pm
HEL
- BOS
2 stops28h 05m
Scandinavian Airlines
Deal found 7/10![Scandinavian Airlines logo]()
$391
This oojo deal was found by Cheapflights users on 7/10. 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 10/158:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Tue 10/203:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 7/10![Icelandair logo]()
$401
This Scandinavian Airlines deal was found by Cheapflights users on 7/9. 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.
Tue 11/105:35 pm
BOS
- HEL
2 stops23h 15m
Scandinavian Airlines
Sun 11/159:00 pm
HEL
- BOS
1 stop25h 40m
Scandinavian Airlines
Deal found 7/9![Scandinavian Airlines logo]()
$404
This Icelandair deal was found by Cheapflights users on 7/9. 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.
Sun 9/138:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Tue 9/293:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 7/9![Icelandair logo]()
$407
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 12, 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 12, 2026.
This United deal was found by Cheapflights users on 7/7. 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.
Wed 11/188:40 pm
BOS
- HEL
1 stop15h 10m
Multiple Airlines
Wed 11/257:05 am
HEL
- BOS
1 stop13h 40m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$465
This Lufthansa deal was found by Cheapflights users on 7/8. 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.
Mon 8/248:05 pm
BOS
- HEL
2 stops13h 55m
Lufthansa
Mon 8/317:40 pm
HEL
- BOS
1 stop29h 00m
Lufthansa
Deal found 7/8![Lufthansa logo]()
$499
This Delta deal was found by Cheapflights users on 7/7. 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 8/195:10 pm
BOS
- HEL
1 stop16h 30m
Delta
Wed 9/27:15 am
HEL
- BOS
2 stops18h 25m
Delta
Deal found 7/7![Delta logo]()
$502
This Scandinavian Airlines deal was found by Cheapflights users on 7/7. 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 8/169:05 am
BOS
- HEL
2 stops33h 25m
Scandinavian Airlines
Sun 9/65:25 pm
HEL
- BOS
2 stops29h 10m
Scandinavian Airlines
Deal found 7/7![Scandinavian Airlines logo]()
$645
This Delta deal was found by Cheapflights users on 7/7. 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 8/189:45 pm
BOS
- HEL
1 stop11h 55m
Delta
Tue 9/17:00 am
HEL
- BOS
1 stop16h 35m
Delta
Deal found 7/7![Delta logo]()
$515
This Delta deal was found by Cheapflights users on 7/7. 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 8/183:00 pm
BOS
- HEL
2 stops18h 40m
Delta
Fri 8/286:10 am
HEL
- BOS
2 stops24h 20m
Delta
Deal found 7/7![Delta logo]()
$520
This Scandinavian Airlines deal was found by Cheapflights users on 7/11. 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 12/165:35 pm
BOS
- HEL
2 stops34h 00m
Scandinavian Airlines
Fri 12/259:00 pm
HEL
- BOS
1 stop25h 40m
Scandinavian Airlines
Deal found 7/11![Scandinavian Airlines logo]()
$680
This Delta deal was found by Cheapflights users on 7/10. 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 8/47:05 pm
BOS
- HEL
1 stop11h 00m
Delta
Tue 8/116:10 am
HEL
- BOS
2 stops20h 05m
Delta
Deal found 7/10![Delta logo]()
$605
This Scandinavian Airlines deal was found by Cheapflights users on 7/11. 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.
Thu 8/65:40 pm
BOS
- HEL
1 stop14h 40m
Scandinavian Airlines
Sat 8/156:10 am
HEL
- BOS
1 stop16h 25m
Scandinavian Airlines
Deal found 7/11![Scandinavian Airlines logo]()
$829
Last-minute flights from Boston to HelsinkiDiscover last-minute flight deals from Boston to Helsinki. Data last updated July 12, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Helsinki. Data last updated July 12, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/9. 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 8/311:00 pm
BOS
- HEL
1 stop32h 00m
Icelandair
Fri 8/283:00 pm
HEL
- BOS
1 stop13h 45m
Icelandair
Deal found 7/9![Icelandair logo]()
$440
This deal was found by Cheapflights users on 7/11. 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.
Thu 8/138:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Thu 8/273:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 7/11![Icelandair logo]()
$444
This deal was found by Cheapflights users on 7/11. 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.
Thu 8/138:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Fri 8/283:00 pm
HEL
- BOS
1 stop13h 45m
Icelandair
Deal found 7/11![Icelandair logo]()
$445
This oojo deal was found by Cheapflights users on 7/9. 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 8/238:50 pm
BOS
- HEL
1 stop18h 40m
Icelandair
Fri 8/283:00 pm
HEL
- BOS
1 stop13h 45m
Icelandair
Deal found 7/9![Icelandair logo]()
$439
This oojo deal was found by Cheapflights users on 7/7. 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 8/2311:00 pm
BOS
- HEL
1 stop16h 30m
Icelandair
Mon 8/3111:30 pm
HEL
- BOS
1 stop26h 20m
Icelandair
Deal found 7/7![Icelandair logo]()
$442
This oojo deal was found by Cheapflights users on 7/10. 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 8/2411:00 pm
BOS
- HEL
1 stop32h 00m
Icelandair
Mon 8/3111:30 pm
HEL
- BOS
1 stop29h 15m
Icelandair
Deal found 7/10![Icelandair logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 7/11. 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
1 stop10h 10m
Icelandair
Fri 12/182:00 pm
HEL
- BOS
1 stop10h 50m
Icelandair
Deal found 7/11![Icelandair logo]()
$435
This Sembo deal was found by Cheapflights users on 7/9. 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 Sembo 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
Mon 9/1411:55 pm
HEL
- BOS
1 stop25h 55m
Icelandair
Deal found 7/9![Icelandair logo]()
$385
This Icelandair deal was found by Cheapflights users on 7/10. 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
Mon 9/1411:55 pm
HEL
- BOS
1 stop25h 55m
Icelandair
Deal found 7/10![Icelandair logo]()
$446
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 12, 2026.
Search for one-way flight options from Boston to Helsinki. Find affordable one-way fares based on user searches. Data last updated July 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 11/177:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Deal found 7/10![Icelandair logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 10/158:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Deal found 7/7![Icelandair logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 12/127:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Deal found 7/8![Icelandair logo]()
$230
This oojo deal was found by Cheapflights users on 7/7. 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 9/111:00 pm
BOS
- HEL
1 stop32h 00m
Icelandair
Deal found 7/7![Icelandair logo]()
$265
This oojo deal was found by Cheapflights users on 7/8. 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 8/48:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Deal found 7/8![Icelandair logo]()
$268
This FlightHub deal was found by Cheapflights users on 7/10. 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 7/288:50 pm
BOS
- HEL
1 stop10h 10m
Icelandair
Deal found 7/10![Icelandair logo]()
$282
This Icelandair deal was found by Cheapflights users on 7/9. 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 7/9![Icelandair logo]()
$288
This Mytrip deal was found by Cheapflights users on 7/10. 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.
Tue 11/177:50 pm
BOS
- HEL
2 stops19h 35m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 12/117:50 pm
BOS
- HEL
2 stops29h 45m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$301
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 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $364 (oojo) |
One-way from | $205 (Kiwi.com) |
Popular in | June |
Cheapest in | December |
Average price | $840 |
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 12, 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
Wed 11/18
8:40 pm-6:50 pm
1 stop15h 10m
Helsinki-Vantaa
Wed 11/25
7:05 am-1:45 pm
1 stop13h 40m
$465
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Mon 8/24
8:05 pm-5:00 pm
2 stops13h 55m
Helsinki-Vantaa
Mon 8/31
7:40 pm-5:40 pm
1 stop29h 00m
$499
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Wed 8/19
5:10 pm-4:40 pm
1 stop16h 30m
Helsinki-Vantaa
Wed 9/2
7:15 am-6:40 pm
2 stops18h 25m
$502
Quickest round-trip
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Tue 8/18
9:45 pm-4:40 pm
1 stop11h 55m
Helsinki-Vantaa
Tue 9/1
7:00 am-4:35 pm
1 stop16h 35m
$515
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Tue 8/18
3:00 pm-4:40 pm
2 stops18h 40m
Helsinki-Vantaa
Fri 8/28
6:10 am-11:30 pm
2 stops24h 20m
$520
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Tue 8/4
7:05 pm-1:05 pm
1 stop11h 00m
Helsinki-Vantaa
Tue 8/11
6:10 am-7:15 pm
2 stops20h 05m
$605
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Sun 8/16
9:05 am-1:30 am
2 stops33h 25m
Helsinki-Vantaa
Sun 9/6
5:25 pm-3:35 pm
2 stops29h 10m
$645
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Wed 12/16
5:35 pm-10:35 am
2 stops34h 00m
Helsinki-Vantaa
Fri 12/25
9:00 pm-3:40 pm
1 stop25h 40m
$680
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Thu 8/6
5:40 pm-3:20 pm
1 stop14h 40m
Helsinki-Vantaa
Sat 8/15
6:10 am-3:35 pm
1 stop16h 25m
$829
Cheapest one-way
Quickest one-way
BostonHelsinki
BOS - HEL
BOSHEL
Boston Logan Intl
Wed 8/26
10:00 pm-6:55 pm
2 stops13h 55m
$353
Showing 1-10 of 18 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
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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 $380). 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?
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 12, 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.
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
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
Lahti
Browse thousands of different options on Cheapflights for your next trip
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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 12, 2026.
Boston and Helsinki flights
Browse other Boston and Helsinki flight options. Last updated on July 12, 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 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 9 airlines flying from Boston to Helsinki
Discover the top 9 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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$331 | Average$561 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$348 | Average$363 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$354 | Average$475 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$366 | Average$615 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$379 | Average$792 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$413 | Average$801 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$430 | Average$884 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$431 | Average$672 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$432 | Average$653 | FlexibilityNo cancel fee | On-time77% |