Flights Boston – Barcelona (BOS-BCN) from $631*

*Modifying this information may result in a different fare

Book flights from Boston to Barcelona

cmp-daily-histogram-bars-legend-min-price-aria-label $661
cmp-daily-histogram-bars-legend-max-price-aria-label $1.1K
Displaying fares for August-2026
  • BOS–BCN, 08/17/2026 – 08/31/2026: From $819
    17

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  • BOS–BCN, 08/18/2026 – 09/08/2026: From $818
    18

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  • BOS–BCN, 08/19/2026 – 08/26/2026: From $819
    19

    We

  • BOS–BCN, 08/20/2026 – 08/23/2026: From $819
    20

    Th

  • BOS–BCN, 08/21/2026 – 08/24/2026: From $819
    21

    Fr

  • BOS–BCN, 08/22/2026 – 08/29/2026: From $819
    22

    Sa

  • BOS–BCN, 08/23/2026 – 09/06/2026: From $675
    23

    Su

  • BOS–BCN, 08/24/2026 – 08/31/2026: From $691
    24

    Mo

  • BOS–BCN, 08/25/2026 – 09/08/2026: From $675
    25

    Tu

  • BOS–BCN, 08/26/2026 – 09/02/2026: From $756
    26

    We

  • BOS–BCN, 08/27/2026 – 08/30/2026: From $756
    27

    Th

  • BOS–BCN, 08/28/2026 – 09/04/2026: From $756
    28

    Fr

  • BOS–BCN, 08/29/2026 – 09/05/2026: From $740
    29

    Sa

  • BOS–BCN, 08/30/2026 – 09/06/2026: From $759
    30

    Su

  • BOS–BCN, 08/31/2026 – 09/03/2026: From $776
    31

    Mo

  • BOS–BCN, 09/01/2026 – 09/08/2026: From $706
    01

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    sep

  • BOS–BCN, 09/02/2026 – 09/05/2026: From $707
    02

    We

  • BOS–BCN, 09/03/2026 – 09/06/2026: From $947
    03

    Th

  • BOS–BCN, 09/04/2026 – 09/07/2026: From $1,093
    04

    Fr

  • BOS–BCN, 09/05/2026 – 09/08/2026: From $750
    05

    Sa

  • BOS–BCN, 09/06/2026 – 10/04/2026: From $875
    06

    Su

  • BOS–BCN, 09/07/2026 – 09/28/2026: From $856
    07

    Mo

  • BOS–BCN, 09/08/2026 – 09/15/2026: From $806
    08

    Tu

  • BOS–BCN, 09/09/2026 – 09/30/2026: From $692
    09

    We

  • BOS–BCN, 09/10/2026 – 10/08/2026: From $661
    10

    Th

  • BOS–BCN, 09/11/2026 – 09/25/2026: From $680
    11

    Fr

  • BOS–BCN, 09/12/2026 – 10/03/2026: From $661
    12

    Sa

  • BOS–BCN, 09/13/2026 – 09/16/2026: From $686
    13

    Su

  • BOS–BCN, 09/14/2026 – 10/05/2026: From $661
    14

    Mo

  • BOS–BCN, 09/15/2026 – 09/22/2026: From $661
    15

    Tu

  • BOS–BCN, 09/16/2026 – 09/30/2026: From $680
    16

    We

  • Range$661-$1,093

    The best deals on flights from Boston to Barcelona for the upcoming months

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    The best deals on flights from Boston to Barcelona for the upcoming months
    From
    To
    Fare Type
    Dates
    Price
    Boston (BOS)Barcelona (BCN)Round-trip
    /
    Economy
    10/13/2026 - 10/20/2026

    From

    $631

    Seen: 21 minutes ago

    Boston (BOS)Barcelona (BCN)Round-trip
    /
    Economy
    10/17/2026 - 10/24/2026

    From

    $631

    Seen: 21 minutes ago

    Boston (BOS)Barcelona (BCN)Round-trip
    /
    Economy
    10/06/2026 - 10/20/2026

    From

    $631

    Seen: 21 minutes ago

    Boston (BOS)Barcelona (BCN)Round-trip
    /
    Economy
    10/15/2026 - 10/22/2026

    From

    $631

    Seen: 21 minutes ago

    Boston (BOS)Barcelona (BCN)Round-trip
    /
    Economy
    09/19/2026 - 09/26/2026

    From

    $631

    Seen: 12 hrs ago

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
    Flight to Barcelona

    Travel from Boston to Barcelona with Air France

    Whether you're looking for a last-minute Boston - Barcelona (Spain) flight or planning a flight at a later date, take advantage of our lowest prices for your travel dates on this site. Take a look at the next 6 months and find the best price to fly whit Air France from Boston (BOS) to Barcelona (BCN) or directly pick your departure date if your trip to Barcelona (Spain) is already scheduled.