Flights from Boston to Lisbon from USD 590

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Flights from Boston to Lisbon

Discover the cheapest day and month to travel

Sep 2026
FromUSD 816*
Viewed 1 day ago
Flight Type Round Trip|Economy
Oct 2026
FromUSD 590*
Viewed 1 day ago
Flight Type Round Trip|Economy
Nov 2026
FromUSD 599*
Viewed 20 hours ago
Flight Type Round Trip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 691
cmp-daily-histogram-bars-legend-max-price-aria-label USD 1.6K
Displaying fares for September-2026
  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    07

    Mo

    SEP

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

    Tu

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

    We

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    10

    Th

  • BOS–LIS, 11/09/2026 – 24/09/2026: From USD 978
    11

    Fr

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

    Sa

  • BOS–LIS, 13/09/2026 – 18/09/2026: From USD 1,150
    13

    Su

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    14

    Mo

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    15

    Tu

  • BOS–LIS, 16/09/2026 – 21/09/2026: From USD 1,315
    16

    We

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

    Th

  • BOS–LIS, 18/09/2026 – 22/09/2026: From USD 1,244
    18

    Fr

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    19

    Sa

  • BOS–LIS, 20/09/2026 – 24/09/2026: From USD 1,041
    20

    Su

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    21

    Mo

  • BOS–LIS, 22/09/2026 – 29/09/2026: From USD 1,060
    22

    Tu

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

    We

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    24

    Th

  • BOS–LIS, 25/09/2026 – 07/10/2026: From USD 978
    25

    Fr

  • BOS–LIS, 26/09/2026 – 29/09/2026: From USD 1,570
    26

    Sa

  • BOS–LIS, 27/09/2026 – 01/10/2026: From USD 1,178
    27

    Su

  • BOS–LIS, 28/09/2026 – 14/10/2026: From USD 816
    28

    Mo

  • BOS–LIS, 29/09/2026 – 16/10/2026: From USD 836
    29

    Tu

  • BOS–LIS, 30/09/2026 – 12/10/2026: From USD 871
    30

    We

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    01

    Th

    OCT

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

    Fr

  • BOS–LIS, 03/10/2026 – 09/10/2026: From USD 750
    03

    Sa

  • BOS–LIS, 04/10/2026 – 20/10/2026: From USD 691
    04

    Su

  • BOS–LIS: cmp-view-offers-disclaimer. Find Offers
    05

    Mo

  • BOS–LIS, 06/10/2026 – 20/10/2026: From USD 851
    06

    Tu

    • RangeUSD 691-USD 1,570

    *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.

    Best Flight Deals from Boston to Lisbon

    USD
    keyboard_arrow_down
    Best Flight Deals from Boston to Lisbon
    From
    To
    Fare Type
    Dates
    Price
    Boston (BOS)Lisbon (LIS)Round trip
    |
    Economy    		22/10/2026 - 02/11/2026

    From

    USD 590

    Viewed 1 day ago

    Boston (BOS)Lisbon (LIS)Round trip
    |
    Economy    		14/03/2027 - 29/03/2027

    From

    USD 599

    Viewed 1 day ago

    Boston (BOS)Lisbon (LIS)Round trip
    |
    Economy    		10/05/2027 - 19/05/2027

    From

    USD 599

    Viewed 1 day ago

    Boston (BOS)Lisbon (LIS)Round trip
    |
    Economy    		31/10/2026 - 15/11/2026

    From

    USD 599

    Viewed 1 day ago

    Boston (BOS)Lisbon (LIS)Round trip
    |
    Economy    		26/03/2027 - 02/04/2027

    From

    USD 599

    Viewed 1 day 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)
    02/11/2026 - 17/11/2026

    Round trip

    Business

    From
    USD 2,949
    Viewed 1 day ago

    Boston (BOS)to

    Lisbon (LIS)
    23/11/2026 - 30/11/2026

    Round trip

    Business

    From
    USD 2,986
    Viewed 1 day 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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