Porto (OPO) to Seattle (SEA) flights from EUR767

*Modifying this information may result in a different fare

*All amounts are in EUR. 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. 

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Lowest fares between Porto and Seattle

cmp-daily-histogram-bars-legend-min-price-aria-label EUR767
cmp-daily-histogram-bars-legend-max-price-aria-label EUR1.1K
Displaying fares for September-2026
  • OPO–SEA, 10/09/2026 – 01/10/2026: From EUR1,051
    10

    Th

    SEP

  • OPO–SEA, 11/09/2026 – 14/09/2026: From EUR1,061
    11

    Fr

  • OPO–SEA, 12/09/2026 – 15/09/2026: From EUR1,066
    12

    Sa

  • OPO–SEA, 13/09/2026 – 16/09/2026: From EUR977
    13

    Su

  • OPO–SEA, 14/09/2026 – 28/09/2026: From EUR1,011
    14

    Mo

  • OPO–SEA, 15/09/2026 – 22/09/2026: From EUR967
    15

    Tu

  • OPO–SEA, 16/09/2026 – 07/10/2026: From EUR967
    16

    We

  • OPO–SEA, 17/09/2026 – 24/09/2026: From EUR767
    17

    Th

  • OPO–SEA, 18/09/2026 – 25/09/2026: From EUR767
    18

    Fr

  • OPO–SEA, 19/09/2026 – 17/10/2026: From EUR767
    19

    Sa

  • OPO–SEA, 20/09/2026 – 27/09/2026: From EUR841
    20

    Su

  • OPO–SEA, 21/09/2026 – 05/10/2026: From EUR767
    21

    Mo

  • OPO–SEA, 22/09/2026 – 29/09/2026: From EUR767
    22

    Tu

  • OPO–SEA, 23/09/2026 – 07/10/2026: From EUR767
    23

    We

  • OPO–SEA, 24/09/2026 – 22/10/2026: From EUR767
    24

    Th

  • OPO–SEA, 25/09/2026 – 23/10/2026: From EUR767
    25

    Fr

  • OPO–SEA, 26/09/2026 – 24/10/2026: From EUR767
    26

    Sa

  • OPO–SEA, 27/09/2026 – 04/10/2026: From EUR919
    27

    Su

  • OPO–SEA, 28/09/2026 – 05/10/2026: From EUR772
    28

    Mo

  • OPO–SEA, 29/09/2026 – 27/10/2026: From EUR767
    29

    Tu

  • OPO–SEA, 30/09/2026 – 07/10/2026: From EUR767
    30

    We

  • OPO–SEA, 01/10/2026 – 04/10/2026: From EUR767
    01

    Th

    OCT

  • OPO–SEA, 02/10/2026 – 23/10/2026: From EUR767
    02

    Fr

  • OPO–SEA, 03/10/2026 – 06/10/2026: From EUR773
    03

    Sa

  • OPO–SEA, 04/10/2026 – 18/10/2026: From EUR767
    04

    Su

  • OPO–SEA, 05/10/2026 – 19/10/2026: From EUR767
    05

    Mo

  • OPO–SEA, 06/10/2026 – 27/10/2026: From EUR767
    06

    Tu

  • OPO–SEA, 07/10/2026 – 14/10/2026: From EUR767
    07

    We

  • OPO–SEA, 08/10/2026 – 11/10/2026: From EUR767
    08

    Th

  • OPO–SEA, 09/10/2026 – 12/10/2026: From EUR767
    09

    Fr

  • RangeEUR767-EUR1,066