Boston (BOS) to Helsinki (HEL) flights from USD658

*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 USD659
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.2K
Displaying fares for October-2026
  • BOS–HEL, 10/05/2026 – 10/19/2026: From USD677
    05

    Mo

    OCT

  • BOS–HEL, 10/06/2026 – 10/20/2026: From USD677
    06

    Tu

  • BOS–HEL, 10/07/2026 – 11/04/2026: From USD680
    07

    We

  • BOS–HEL, 10/08/2026 – 10/22/2026: From USD688
    08

    Th

  • BOS–HEL, 10/09/2026 – 11/06/2026: From USD688
    09

    Fr

  • BOS–HEL, 10/10/2026 – 11/07/2026: From USD699
    10

    Sa

  • BOS–HEL, 10/11/2026 – 11/08/2026: From USD680
    11

    Su

  • BOS–HEL, 10/12/2026 – 10/19/2026: From USD688
    12

    Mo

  • BOS–HEL, 10/13/2026 – 11/03/2026: From USD688
    13

    Tu

  • BOS–HEL, 10/14/2026 – 11/04/2026: From USD680
    14

    We

  • BOS–HEL, 10/15/2026 – 11/05/2026: From USD1,002
    15

    Th

  • BOS–HEL, 10/16/2026 – 10/19/2026: From USD737
    16

    Fr

  • BOS–HEL, 10/17/2026 – 11/14/2026: From USD1,183
    17

    Sa

  • BOS–HEL, 10/18/2026 – 11/08/2026: From USD728
    18

    Su

  • BOS–HEL, 10/19/2026 – 11/16/2026: From USD670
    19

    Mo

  • BOS–HEL, 10/20/2026 – 11/03/2026: From USD688
    20

    Tu

  • BOS–HEL, 10/21/2026 – 11/04/2026: From USD680
    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 – 11/14/2026: From USD1,063
    24

    Sa

  • BOS–HEL, 10/25/2026 – 11/08/2026: From USD929
    25

    Su

  • BOS–HEL, 10/26/2026 – 11/16/2026: From USD659
    26

    Mo

  • BOS–HEL, 10/27/2026 – 11/17/2026: From USD688
    27

    Tu

  • BOS–HEL, 10/28/2026 – 11/04/2026: From USD668
    28

    We

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

    Th

  • BOS–HEL, 10/30/2026 – 11/02/2026: From USD963
    30

    Fr

  • BOS–HEL, 10/31/2026 – 11/14/2026: From USD1,149
    31

    Sa

  • BOS–HEL, 11/01/2026 – 11/08/2026: From USD1,135
    01

    Su

    NOV

  • BOS–HEL, 11/02/2026 – 11/09/2026: From USD688
    02

    Mo

  • BOS–HEL, 11/03/2026 – 11/24/2026: From USD693
    03

    Tu

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

    We

  • RangeUSD659-USD1,183