Cheapest return flights from Boston to Helsinki in March from $366

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

Return flights

18 Mar - 24 Mar Icelandair
19 Mar - 24 Mar Icelandair
28 Mar - 09 Apr Icelandair
18 Mar - 25 Mar Icelandair
22 Mar - 29 Mar Icelandair
04 Mar - 11 Mar Icelandair
10 Mar - 17 Mar Icelandair
28 Mar - 04 Apr Icelandair
29 Mar - 05 Apr Scandinavian Airlines
24 Mar - 31 Mar Scandinavian Airlines
30 Mar - 06 Apr Scandinavian Airlines
01 Mar - 08 Mar Scandinavian Airlines
02 Mar - 09 Mar Scandinavian Airlines
09 Mar - 16 Mar Scandinavian Airlines

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

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