Flights from Boston to Lisbon from USD 670

Promo Code

Flights from Boston to Lisbon

Discover the cheapest day and month to travel

cmp-daily-histogram-bars-legend-min-price-aria-label USD 670
cmp-daily-histogram-bars-legend-max-price-aria-label USD 1.7K
Displaying fares for September-2026
  • BOS–LIS, 30/09/2026 – 05/10/2026: From USD 1,709
    30

    We

    SEP

  • BOS–LIS, 01/10/2026 – 06/10/2026: From USD 1,466
    01

    Th

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    02

    Fr

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    03

    Sa

  • BOS–LIS, 04/10/2026 – 10/10/2026: From USD 1,337
    04

    Su

  • BOS–LIS, 05/10/2026 – 20/10/2026: From USD 815
    05

    Mo

  • BOS–LIS, 06/10/2026 – 20/10/2026: From USD 838
    06

    Tu

  • BOS–LIS, 07/10/2026 – 14/10/2026: From USD 1,055
    07

    We

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    08

    Th

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    09

    Fr

  • BOS–LIS, 10/10/2026 – 03/11/2026: From USD 840
    10

    Sa

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    11

    Su

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    12

    Mo

  • BOS–LIS, 13/10/2026 – 18/10/2026: From USD 913
    13

    Tu

  • BOS–LIS, 14/10/2026 – 19/10/2026: From USD 940
    14

    We

  • BOS–LIS, 15/10/2026 – 18/10/2026: From USD 933
    15

    Th

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    16

    Fr

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    17

    Sa

  • BOS–LIS, 18/10/2026 – 20/11/2026: From USD 699
    18

    Su

  • BOS–LIS, 19/10/2026 – 25/10/2026: From USD 925
    19

    Mo

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    20

    Tu

  • BOS–LIS, 21/10/2026 – 10/11/2026: From USD 720
    21

    We

  • BOS–LIS, 22/10/2026 – 29/10/2026: From USD 867
    22

    Th

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    23

    Fr

  • BOS–LIS, 24/10/2026 – 31/10/2026: From USD 670
    24

    Sa

  • BOS–LIS, 25/10/2026 – 30/10/2026: From USD 1,012
    25

    Su

  • BOS–LIS, 26/10/2026 – 02/11/2026: From USD 740
    26

    Mo

  • BOS–LIS, 27/10/2026 – 03/11/2026: From USD 729
    27

    Tu

  • BOS–LIS, 28/10/2026 – 01/11/2026: From USD 795
    28

    We

  • BOS–LIS, 29/10/2026 – 11/02/2027: From USD 710
    29

    Th

  • RangeUSD 670-USD 1,709

    Best Flight Deals from Boston to Lisbon

    USD
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    Best Flight Deals from Boston to Lisbon
    From
    To
    Fare Type
    Dates
    Price
    Boston (BOS)Lisbon (LIS)Round trip
    |
    Economy
    20/01/2027 - 09/04/2027

    From

    USD 699

    Viewed 1 day ago

    Boston (BOS)Lisbon (LIS)Round trip
    |
    Economy
    20/01/2027 - 22/02/2027

    From

    USD 710

    Viewed 1 day ago

    Boston (BOS)Lisbon (LIS)Round trip
    |
    Economy
    17/11/2026 - 23/11/2026

    From

    USD 710

    Viewed 1 day ago

    Boston (BOS)Lisbon (LIS)Round trip
    |
    Economy
    31/01/2027 - 11/02/2027

    From

    USD 699

    Viewed 18 hours ago

    Boston (BOS)Lisbon (LIS)Round trip
    |
    Economy
    11/11/2026 - 25/11/2026

    From

    USD 699

    Viewed 12 hours ago

    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

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    Business Flights Deals

    USD

    Boston (BOS)to

    Lisbon (LIS)
    03/12/2026 - 12/12/2026

    Round trip

    Business

    From
    USD 3,002
    Viewed 1 day ago

    Boston (BOS)to

    Lisbon (LIS)
    28/12/2026 - 12/03/2027

    Round trip

    Business

    From
    USD 3,002
    Viewed 12 hours ago
    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.