Cheapest return flights from Helsinki to Boston in May from $418

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

Return flights

22 May - 26 May Icelandair
30 May - 08 Jun Air France
11 May - 18 Jun Finnair

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

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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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