AirHint found the following cheapest return flights from Helsinki (HEL) to Boston (BOS) in January 2026 (see full year).

Return flights

09 Jan - 22 Jan	Icelandair
22 Jan - 25 Jan	Icelandair
15 Jan - 18 Jan	Icelandair
16 Jan - 18 Jan	Icelandair
24 Jan - 31 Jan	Icelandair
08 Jan - 14 Jan	Finnair
08 Jan - 15 Jan	British Airways
07 Jan - 14 Jan	Finnair

Also check the deals for one-way flights from Helsinki to Boston in January.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Helsinki to Boston in January from 370€

Return flights