Boston (BOS) to Helsinki (HEL) flights from USD600

*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 USD635
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.0K
Displaying fares for September-2026
  • BOS–HEL, 09/15/2026 – 09/22/2026: From USD679
    15

    Tu

    SEP

  • BOS–HEL, 09/16/2026 – 09/23/2026: From USD691
    16

    We

  • BOS–HEL, 09/17/2026 – 09/24/2026: From USD691
    17

    Th

  • BOS–HEL, 09/18/2026 – 09/21/2026: From USD691
    18

    Fr

  • BOS–HEL, 09/19/2026 – 09/22/2026: From USD835
    19

    Sa

  • BOS–HEL, 09/20/2026 – 09/23/2026: From USD1,037
    20

    Su

  • BOS–HEL, 09/21/2026 – 09/24/2026: From USD691
    21

    Mo

  • BOS–HEL, 09/22/2026 – 09/29/2026: From USD679
    22

    Tu

  • BOS–HEL, 09/23/2026 – 10/14/2026: From USD691
    23

    We

  • BOS–HEL, 09/24/2026 – 10/22/2026: From USD835
    24

    Th

  • BOS–HEL, 09/25/2026 – 09/28/2026: From USD691
    25

    Fr

  • BOS–HEL, 09/26/2026 – 09/29/2026: From USD823
    26

    Sa

  • BOS–HEL, 09/27/2026 – 09/30/2026: From USD835
    27

    Su

  • BOS–HEL, 09/28/2026 – 10/19/2026: From USD679
    28

    Mo

  • BOS–HEL, 09/29/2026 – 10/06/2026: From USD679
    29

    Tu

  • BOS–HEL, 09/30/2026 – 10/07/2026: From USD691
    30

    We

  • BOS–HEL, 10/01/2026 – 10/22/2026: From USD835
    01

    Th

    OCT

  • BOS–HEL, 10/02/2026 – 10/05/2026: From USD780
    02

    Fr

  • BOS–HEL, 10/03/2026 – 10/06/2026: From USD691
    03

    Sa

  • BOS–HEL, 10/04/2026 – 10/07/2026: From USD691
    04

    Su

  • BOS–HEL, 10/05/2026 – 11/02/2026: From USD635
    05

    Mo

  • BOS–HEL, 10/06/2026 – 11/03/2026: From USD679
    06

    Tu

  • BOS–HEL, 10/07/2026 – 11/04/2026: From USD691
    07

    We

  • BOS–HEL, 10/08/2026 – 10/15/2026: From USD909
    08

    Th

  • BOS–HEL, 10/09/2026 – 11/06/2026: From USD800
    09

    Fr

  • BOS–HEL, 10/10/2026 – 11/07/2026: From USD635
    10

    Sa

  • BOS–HEL, 10/11/2026 – 11/08/2026: From USD635
    11

    Su

  • BOS–HEL, 10/12/2026 – 11/02/2026: From USD635
    12

    Mo

  • BOS–HEL, 10/13/2026 – 11/03/2026: From USD691
    13

    Tu

  • BOS–HEL, 10/14/2026 – 11/04/2026: From USD691
    14

    We

  • RangeUSD635-USD1,037