Portland, OR (PDX) to Lisbon (LIS) flights from USD745

*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 Portland, OR and Lisbon

cmp-daily-histogram-bars-legend-min-price-aria-label USD1.0K
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.7K
Displaying fares for August-2026
  • PDX–LIS, 08/03/2026 – 08/17/2026: From USD1,508
    03

    Mo

    AUG

  • PDX–LIS, 08/04/2026 – 08/18/2026: From USD1,434
    04

    Tu

  • PDX–LIS, 08/05/2026 – 08/12/2026: From USD1,438
    05

    We

  • PDX–LIS, 08/06/2026 – 08/13/2026: From USD1,498
    06

    Th

  • PDX–LIS, 08/07/2026 – 08/14/2026: From USD1,498
    07

    Fr

  • PDX–LIS, 08/08/2026 – 08/15/2026: From USD1,578
    08

    Sa

  • PDX–LIS, 08/09/2026 – 08/12/2026: From USD1,655
    09

    Su

  • PDX–LIS, 08/10/2026 – 08/17/2026: From USD1,508
    10

    Mo

  • PDX–LIS, 08/11/2026 – 08/18/2026: From USD1,438
    11

    Tu

  • PDX–LIS, 08/12/2026 – 09/02/2026: From USD1,632
    12

    We

  • PDX–LIS, 08/13/2026 – 09/03/2026: From USD1,692
    13

    Th

  • PDX–LIS, 08/14/2026 – 08/17/2026: From USD1,568
    14

    Fr

  • PDX–LIS, 08/15/2026 – 08/18/2026: From USD1,715
    15

    Sa

  • PDX–LIS, 08/16/2026 – 08/19/2026: From USD1,632
    16

    Su

  • PDX–LIS, 08/17/2026 – 08/20/2026: From USD1,632
    17

    Mo

  • PDX–LIS, 08/18/2026 – 08/21/2026: From USD1,632
    18

    Tu

  • PDX–LIS, 08/19/2026 – 08/26/2026: From USD1,632
    19

    We

  • PDX–LIS, 08/20/2026 – 09/03/2026: From USD1,692
    20

    Th

  • PDX–LIS, 08/21/2026 – 08/28/2026: From USD1,692
    21

    Fr

  • PDX–LIS, 08/22/2026 – 09/05/2026: From USD1,568
    22

    Sa

  • PDX–LIS, 08/23/2026 – 09/06/2026: From USD1,498
    23

    Su

  • PDX–LIS, 08/24/2026 – 09/21/2026: From USD1,498
    24

    Mo

  • PDX–LIS, 08/25/2026 – 09/22/2026: From USD1,438
    25

    Tu

  • PDX–LIS, 08/26/2026 – 09/02/2026: From USD1,438
    26

    We

  • PDX–LIS, 08/27/2026 – 09/03/2026: From USD1,075
    27

    Th

  • PDX–LIS, 08/28/2026 – 09/04/2026: From USD1,029
    28

    Fr

  • PDX–LIS, 08/29/2026 – 09/19/2026: From USD1,089
    29

    Sa

  • PDX–LIS, 08/30/2026 – 09/20/2026: From USD1,318
    30

    Su

  • PDX–LIS, 08/31/2026 – 09/07/2026: From USD1,308
    31

    Mo

  • PDX–LIS, 09/01/2026 – 09/08/2026: From USD1,092
    01

    Tu

    SEP

  • PDX–LIS, 09/02/2026 – 09/09/2026: From USD1,248
    02

    We

  • RangeUSD1,029-USD1,715