Flights to Klassari Trail from Boston - ￥51,790

View ￥51,790 flight on Wed, Nov 12, 2025Opens in a new window

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Cheap Flights from Boston to Klassari Trail (BOS-HEL)

Prices were available within the past 7 days and start at ￥51,790 for one-way flights and ￥59,431 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sun, Feb 8 - Sun, Mar 15
BOS
Boston
HEL
Helsinki
￥59,431 Roundtrip, found 16 hours ago
￥59,431
Roundtrip
found 16 hours ago
Select Icelandair flight, departing Sun, Feb 8 from Boston to Helsinki, returning Sun, Mar 15, priced at ￥59,431 found 16 hours ago
American Airlines
Sun, Feb 8 - Sun, Mar 15
BOS
Boston
HEL
Helsinki
￥59,450 Roundtrip, found 16 hours ago
￥59,450
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Sun, Feb 8 from Boston to Helsinki, returning Sun, Mar 15, priced at ￥59,450 found 16 hours ago
Scandinavian Airlines
Sun, Feb 8 - Sun, Mar 15
BOS
Boston
HEL
Helsinki
￥62,660 Roundtrip, found 16 hours ago
￥62,660
Roundtrip
found 16 hours ago
Select Scandinavian Airlines flight, departing Sun, Feb 8 from Boston to Helsinki, returning Sun, Mar 15, priced at ￥62,660 found 16 hours ago
United
Sun, Feb 8 - Sun, Mar 15
BOS
Boston
HEL
Helsinki
￥63,890 Roundtrip, found 16 hours ago
￥63,890
Roundtrip
found 16 hours ago
Select United flight, departing Sun, Feb 8 from Boston to Helsinki, returning Sun, Mar 15, priced at ￥63,890 found 16 hours ago
Lufthansa
Sun, Feb 8 - Sun, Mar 15
BOS
Boston
HEL
Helsinki
￥63,890 Roundtrip, found 16 hours ago
￥63,890
Roundtrip
found 16 hours ago
Select Lufthansa flight, departing Sun, Feb 8 from Boston to Helsinki, returning Sun, Mar 15, priced at ￥63,890 found 16 hours ago
Air France
Sun, Feb 8 - Sun, Mar 15
BOS
Boston
HEL
Helsinki
￥77,440 Roundtrip, found 16 hours ago
￥77,440
Roundtrip
found 16 hours ago
Select Air France flight, departing Sun, Feb 8 from Boston to Helsinki, returning Sun, Mar 15, priced at ￥77,440 found 16 hours ago

Find the cheapest month to fly from Boston (BOS) to Helsinki (HEL)

November is typically the cheapest month to fly

From ￥52,891 - ￥124,911 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.