Boston (BOS) to Lisbon (LIS) flights from USD699

*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.

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Lowest fares between Boston and Lisbon

cmp-daily-histogram-bars-legend-min-price-aria-label USD759
cmp-daily-histogram-bars-legend-max-price-aria-label USD2.4K
Displaying fares for August-2026
  • BOS–LIS, 08/20/2026 – 08/27/2026: From USD1,984
    20

    Th

    AUG

  • BOS–LIS, 08/21/2026 – 09/04/2026: From USD2,003
    21

    Fr

  • BOS–LIS, 08/22/2026 – 08/29/2026: From USD2,425
    22

    Sa

  • BOS–LIS, 08/23/2026 – 09/20/2026: From USD2,355
    23

    Su

  • BOS–LIS, 08/24/2026 – 08/31/2026: From USD2,355
    24

    Mo

  • BOS–LIS, 08/25/2026 – 09/08/2026: From USD2,295
    25

    Tu

  • BOS–LIS, 08/26/2026 – 09/09/2026: From USD2,220
    26

    We

  • BOS–LIS, 08/27/2026 – 09/10/2026: From USD2,290
    27

    Th

  • BOS–LIS, 08/28/2026 – 09/18/2026: From USD2,290
    28

    Fr

  • BOS–LIS, 08/29/2026 – 09/05/2026: From USD2,350
    29

    Sa

  • BOS–LIS, 08/30/2026 – 09/06/2026: From USD2,280
    30

    Su

  • BOS–LIS, 08/31/2026 – 09/14/2026: From USD2,280
    31

    Mo

  • BOS–LIS, 09/01/2026 – 09/15/2026: From USD2,220
    01

    Tu

    SEP

  • BOS–LIS, 09/02/2026 – 09/16/2026: From USD2,220
    02

    We

  • BOS–LIS, 09/03/2026 – 09/10/2026: From USD1,148
    03

    Th

  • BOS–LIS, 09/04/2026 – 09/18/2026: From USD1,035
    04

    Fr

  • BOS–LIS, 09/05/2026 – 09/19/2026: From USD907
    05

    Sa

  • BOS–LIS, 09/06/2026 – 10/04/2026: From USD790
    06

    Su

  • BOS–LIS, 09/07/2026 – 09/21/2026: From USD759
    07

    Mo

  • BOS–LIS, 09/08/2026 – 09/15/2026: From USD790
    08

    Tu

  • BOS–LIS, 09/09/2026 – 09/16/2026: From USD778
    09

    We

  • BOS–LIS, 09/10/2026 – 10/01/2026: From USD790
    10

    Th

  • BOS–LIS, 09/11/2026 – 10/09/2026: From USD820
    11

    Fr

  • BOS–LIS, 09/12/2026 – 09/19/2026: From USD812
    12

    Sa

  • BOS–LIS, 09/13/2026 – 10/11/2026: From USD832
    13

    Su

  • BOS–LIS, 09/14/2026 – 09/21/2026: From USD801
    14

    Mo

  • BOS–LIS, 09/15/2026 – 09/22/2026: From USD820
    15

    Tu

  • BOS–LIS, 09/16/2026 – 09/30/2026: From USD820
    16

    We

  • BOS–LIS, 09/17/2026 – 09/24/2026: From USD944
    17

    Th

  • BOS–LIS, 09/18/2026 – 09/21/2026: From USD832
    18

    Fr

  • BOS–LIS, 09/19/2026 – 10/10/2026: From USD832
    19

    Sa

  • RangeUSD759-USD2,425