Cheapest return flights from Boston to Helsinki in August from 345€

AirHint found the following cheapest return flights from Boston (BOS) to Helsinki (HEL) in August 2025 (see full year).

Return flights

21 Aug - 28 Aug Icelandair
27 Aug - 03 Sep Icelandair
11 Aug - 26 Aug Icelandair
19 Aug - 25 Aug Icelandair
17 Aug - 24 Aug Icelandair
29 Aug - 05 Sep Icelandair
19 Aug - 26 Aug Icelandair
23 Aug - 30 Aug Icelandair
06 Aug - 24 Aug Icelandair
13 Aug - 20 Aug Icelandair
25 Aug - 01 Sep Icelandair
05 Aug - 13 Aug Air France
09 Aug - 16 Aug Scandinavian Airlines

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

Skyscanner

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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