Boston (BOS) to Brussels (BRU) flights from USD709

*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.

Why book directly on the KLM website?

Explore the benefits of booking through our website.

No hidden costs icon

No hidden costs

Book with confidence. Our rates hide no unpleasant surprises.

24/7 customer service icon

24/7 customer service

Count on direct, personal support whenever you need it, day or night.

Seamless travel icon

Seamless travel

Enjoy a smooth journey with timely updates and automatic rebooking.

Lowest fares between Boston and Brussels

cmp-daily-histogram-bars-legend-min-price-aria-label USD715
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.1K
Displaying fares for October-2026
  • BOS–BRU, 10/15/2026 – 10/22/2026: From USD792
    15

    Th

    OCT

  • BOS–BRU, 10/16/2026 – 11/13/2026: From USD791
    16

    Fr

  • BOS–BRU, 10/17/2026 – 10/24/2026: From USD842
    17

    Sa

  • BOS–BRU, 10/18/2026 – 11/01/2026: From USD791
    18

    Su

  • BOS–BRU, 10/19/2026 – 11/02/2026: From USD791
    19

    Mo

  • BOS–BRU, 10/20/2026 – 11/10/2026: From USD760
    20

    Tu

  • BOS–BRU, 10/21/2026 – 11/18/2026: From USD741
    21

    We

  • BOS–BRU, 10/22/2026 – 11/12/2026: From USD810
    22

    Th

  • BOS–BRU, 10/23/2026 – 11/06/2026: From USD791
    23

    Fr

  • BOS–BRU, 10/24/2026 – 11/07/2026: From USD860
    24

    Sa

  • BOS–BRU, 10/25/2026 – 11/01/2026: From USD791
    25

    Su

  • BOS–BRU, 10/26/2026 – 11/02/2026: From USD816
    26

    Mo

  • BOS–BRU, 10/27/2026 – 11/03/2026: From USD760
    27

    Tu

  • BOS–BRU, 10/28/2026 – 11/18/2026: From USD766
    28

    We

  • BOS–BRU, 10/29/2026 – 11/05/2026: From USD810
    29

    Th

  • BOS–BRU, 10/30/2026 – 11/13/2026: From USD1,083
    30

    Fr

  • BOS–BRU, 10/31/2026 – 11/07/2026: From USD893
    31

    Sa

  • BOS–BRU, 11/01/2026 – 11/15/2026: From USD790
    01

    Su

    NOV

  • BOS–BRU, 11/02/2026 – 11/16/2026: From USD854
    02

    Mo

  • BOS–BRU, 11/03/2026 – 11/10/2026: From USD759
    03

    Tu

  • BOS–BRU, 11/04/2026 – 11/18/2026: From USD765
    04

    We

  • BOS–BRU, 11/05/2026 – 11/12/2026: From USD809
    05

    Th

  • BOS–BRU, 11/06/2026 – 12/04/2026: From USD815
    06

    Fr

  • BOS–BRU, 11/07/2026 – 12/05/2026: From USD859
    07

    Sa

  • BOS–BRU, 11/08/2026 – 11/15/2026: From USD790
    08

    Su

  • BOS–BRU, 11/09/2026 – 11/23/2026: From USD815
    09

    Mo

  • BOS–BRU, 11/10/2026 – 11/24/2026: From USD759
    10

    Tu

  • BOS–BRU, 11/11/2026 – 11/18/2026: From USD715
    11

    We

  • BOS–BRU, 11/12/2026 – 11/19/2026: From USD759
    12

    Th

  • BOS–BRU, 11/13/2026 – 11/20/2026: From USD765
    13

    Fr

  • BOS–BRU, 11/14/2026 – 12/05/2026: From USD809
    14

    Sa

  • RangeUSD715-USD1,083