Cheapest return flights from Boston to Helsinki in March from $408

Best time to book flights for Boston (BOS) to Helsinki (HEL) flights at AirHint

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

Return flights

20 Mar - 27 Mar Icelandair
24 Mar - 31 Mar Icelandair
28 Mar - 04 Apr Icelandair
30 Mar - 06 Apr Icelandair
26 Mar - 02 Apr Icelandair
20 Mar - 02 Apr Icelandair
12 Mar - 20 Mar Icelandair
18 Mar - 25 Mar Delta
03 Mar - 11 Mar Turkish Airlines
12 Mar - 21 Mar Lufthansa
16 Mar - 23 Mar Scandinavian Airlines
22 Mar - 29 Mar Scandinavian Airlines

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

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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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