Cheapest return flights from Boston to Helsinki in May from 281€

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

Return flights

07 May - 14 May Finnair
05 May - 12 May Finnair
12 May - 19 May Finnair
13 May - 20 May Finnair
12 May - 26 May Finnair
05 May - 19 May Finnair
05 May - 22 May Finnair
11 May - 18 May Finnair
05 May - 18 May Finnair
07 May - 21 May Finnair
13 May - 04 Jun Finnair
20 May - 03 Jun Icelandair
19 May - 02 Jun Icelandair
24 May - 03 Jun Icelandair
26 May - 09 Jun Icelandair
29 May - 12 Jun Icelandair
26 May - 16 Jun Icelandair
27 May - 10 Jun Icelandair
27 May - 17 Jun Icelandair
12 May - 01 Jun Icelandair

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

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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