Boston (BOS) to Helsinki (HEL) flights from USD636

*Modifying this information may result in a different fare

*All amounts are in USD. Taxes and surcharges are included. No booking fee is applicable. Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees may apply.

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Lowest fares between Boston and Helsinki

cmp-daily-histogram-bars-legend-min-price-aria-label USD677
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.2K
Displaying fares for October-2026
  • BOS–HEL, 10/15/2026 – 11/12/2026: From USD717
    15

    Th

    OCT

  • BOS–HEL, 10/16/2026 – 11/06/2026: From USD926
    16

    Fr

  • BOS–HEL, 10/17/2026 – 11/07/2026: From USD1,185
    17

    Sa

  • BOS–HEL, 10/18/2026 – 11/01/2026: From USD930
    18

    Su

  • BOS–HEL, 10/19/2026 – 11/02/2026: From USD728
    19

    Mo

  • BOS–HEL, 10/20/2026 – 11/10/2026: From USD728
    20

    Tu

  • BOS–HEL, 10/21/2026 – 11/04/2026: From USD688
    21

    We

  • BOS–HEL, 10/22/2026 – 11/12/2026: From USD688
    22

    Th

  • BOS–HEL, 10/23/2026 – 11/13/2026: From USD688
    23

    Fr

  • BOS–HEL, 10/24/2026 – 11/07/2026: From USD991
    24

    Sa

  • BOS–HEL, 10/25/2026 – 11/22/2026: From USD941
    25

    Su

  • BOS–HEL, 10/26/2026 – 11/16/2026: From USD688
    26

    Mo

  • BOS–HEL, 10/27/2026 – 11/17/2026: From USD677
    27

    Tu

  • BOS–HEL, 10/28/2026 – 11/11/2026: From USD688
    28

    We

  • BOS–HEL, 10/29/2026 – 11/05/2026: From USD988
    29

    Th

  • BOS–HEL, 10/30/2026 – 11/02/2026: From USD1,029
    30

    Fr

  • BOS–HEL, 10/31/2026 – 11/07/2026: From USD945
    31

    Sa

  • BOS–HEL, 11/01/2026 – 11/22/2026: From USD1,146
    01

    Su

    NOV

  • BOS–HEL, 11/02/2026 – 11/09/2026: From USD677
    02

    Mo

  • BOS–HEL, 11/03/2026 – 11/24/2026: From USD677
    03

    Tu

  • BOS–HEL, 11/04/2026 – 11/25/2026: From USD677
    04

    We

  • BOS–HEL, 11/05/2026 – 11/19/2026: From USD692
    05

    Th

  • BOS–HEL, 11/06/2026 – 11/09/2026: From USD677
    06

    Fr

  • BOS–HEL, 11/07/2026 – 12/05/2026: From USD692
    07

    Sa

  • BOS–HEL, 11/08/2026 – 11/22/2026: From USD688
    08

    Su

  • BOS–HEL, 11/09/2026 – 11/23/2026: From USD677
    09

    Mo

  • BOS–HEL, 11/10/2026 – 12/08/2026: From USD692
    10

    Tu

  • BOS–HEL, 11/11/2026 – 12/02/2026: From USD677
    11

    We

  • BOS–HEL, 11/12/2026 – 11/26/2026: From USD677
    12

    Th

  • BOS–HEL, 11/13/2026 – 12/11/2026: From USD677
    13

    Fr

  • BOS–HEL, 11/14/2026 – 12/05/2026: From USD732
    14

    Sa

  • RangeUSD677-USD1,185