Flights Boston – Lisbon (BOS-LIS) from $663*

*Modifying this information may result in a different fare

Book flights from Boston to Lisbon

cmp-daily-histogram-bars-legend-min-price-aria-label $693
cmp-daily-histogram-bars-legend-max-price-aria-label $2.0K
Displaying fares for July-2026
  • BOS–LIS, 07/30/2026 – 08/20/2026: From $2,002
    30

    Th

    jul

  • BOS–LIS, 07/31/2026 – 08/21/2026: From $1,983
    31

    Fr

  • BOS–LIS, 08/01/2026 – 08/29/2026: From $2,043
    01

    Sa

    aug

  • BOS–LIS, 08/02/2026 – 08/30/2026: From $1,983
    02

    Su

  • BOS–LIS, 08/03/2026 – 08/24/2026: From $1,983
    03

    Mo

  • BOS–LIS, 08/04/2026 – 08/25/2026: From $1,923
    04

    Tu

  • BOS–LIS, 08/05/2026 – 08/19/2026: From $1,923
    05

    We

  • BOS–LIS, 08/06/2026 – 08/20/2026: From $1,983
    06

    Th

  • BOS–LIS, 08/07/2026 – 08/21/2026: From $1,983
    07

    Fr

  • BOS–LIS, 08/08/2026 – 08/22/2026: From $2,048
    08

    Sa

  • BOS–LIS, 08/09/2026 – 09/06/2026: From $1,983
    09

    Su

  • BOS–LIS, 08/10/2026 – 08/24/2026: From $1,983
    10

    Mo

  • BOS–LIS, 08/11/2026 – 08/25/2026: From $1,923
    11

    Tu

  • BOS–LIS, 08/12/2026 – 08/19/2026: From $1,923
    12

    We

  • BOS–LIS, 08/13/2026 – 09/03/2026: From $712
    13

    Th

  • BOS–LIS, 08/14/2026 – 09/11/2026: From $724
    14

    Fr

  • BOS–LIS, 08/15/2026 – 09/05/2026: From $693
    15

    Sa

  • BOS–LIS, 08/16/2026 – 09/06/2026: From $704
    16

    Su

  • BOS–LIS, 08/17/2026 – 08/31/2026: From $693
    17

    Mo

  • BOS–LIS, 08/18/2026 – 09/01/2026: From $693
    18

    Tu

  • BOS–LIS, 08/19/2026 – 09/09/2026: From $712
    19

    We

  • BOS–LIS, 08/20/2026 – 08/27/2026: From $712
    20

    Th

  • BOS–LIS, 08/21/2026 – 08/28/2026: From $712
    21

    Fr

  • BOS–LIS, 08/22/2026 – 09/05/2026: From $693
    22

    Sa

  • BOS–LIS, 08/23/2026 – 09/20/2026: From $693
    23

    Su

  • BOS–LIS, 08/24/2026 – 08/31/2026: From $693
    24

    Mo

  • BOS–LIS, 08/25/2026 – 09/01/2026: From $693
    25

    Tu

  • BOS–LIS, 08/26/2026 – 09/23/2026: From $693
    26

    We

  • BOS–LIS, 08/27/2026 – 09/03/2026: From $693
    27

    Th

  • BOS–LIS, 08/28/2026 – 09/04/2026: From $693
    28

    Fr

  • BOS–LIS, 08/29/2026 – 09/05/2026: From $712
    29

    Sa

  • Range$693-$2,048

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

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    The best deals on flights from Boston to Lisbon for the upcoming months
    From
    To
    Fare Type
    Dates
    Price
    Boston (BOS)Lisbon (LIS)Round-trip
    /
    Economy
    10/19/2026 - 11/16/2026

    From

    $663

    Seen: 19 hrs ago

    Boston (BOS)Lisbon (LIS)Round-trip
    /
    Economy
    10/21/2026 - 11/18/2026

    From

    $663

    Seen: 8 hrs ago

    Boston (BOS)Lisbon (LIS)Round-trip
    /
    Economy
    10/24/2026 - 11/14/2026

    From

    $663

    Seen: 8 hrs ago

    Boston (BOS)Lisbon (LIS)Round-trip
    /
    Economy
    10/26/2026 - 11/23/2026

    From

    $663

    Seen: 8 hrs ago

    Boston (BOS)Lisbon (LIS)Round-trip
    /
    Economy
    10/27/2026 - 11/17/2026

    From

    $663

    Seen: 8 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.
    Air France airplane

    Travel from Boston to Lisbon with Air France

    Whether you're looking for a last-minute Boston - Lisbon (Portugal) 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 Lisbon (LIS) or directly pick your departure date if your trip to Lisbon (Portugal) is already scheduled.