Flights Seattle – Bilbao (SEA-BIO) from $726*

*Modifying this information may result in a different fare

Book flights from Seattle to Bilbao

Sep 2026
From$888*
Seen: 7 hrs ago
Round-trip/Economy
Oct 2026
From$786*
Seen: 7 hrs ago
Round-trip/Economy
Nov 2026
From$786*
Seen: 1 day ago
Round-trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $786
cmp-daily-histogram-bars-legend-max-price-aria-label $1.2K
Displaying fares for September-2026
  • SEA–BIO, 09/08/2026 – 09/22/2026: From $999
    08

    Tu

    sep

  • SEA–BIO, 09/09/2026 – 09/23/2026: From $923
    09

    We

  • SEA–BIO, 09/10/2026 – 09/17/2026: From $1,164
    10

    Th

  • SEA–BIO, 09/11/2026 – 09/18/2026: From $983
    11

    Fr

  • SEA–BIO, 09/12/2026 – 09/26/2026: From $1,210
    12

    Sa

  • SEA–BIO, 09/13/2026 – 09/20/2026: From $973
    13

    Su

  • SEA–BIO, 09/14/2026 – 09/21/2026: From $973
    14

    Mo

  • SEA–BIO, 09/15/2026 – 09/22/2026: From $923
    15

    Tu

  • SEA–BIO, 09/16/2026 – 10/07/2026: From $923
    16

    We

  • SEA–BIO, 09/17/2026 – 09/24/2026: From $943
    17

    Th

  • SEA–BIO, 09/18/2026 – 10/02/2026: From $1,182
    18

    Fr

  • SEA–BIO, 09/19/2026 – 09/26/2026: From $997
    19

    Sa

  • SEA–BIO, 09/20/2026 – 10/11/2026: From $938
    20

    Su

  • SEA–BIO, 09/21/2026 – 10/05/2026: From $943
    21

    Mo

  • SEA–BIO, 09/22/2026 – 10/06/2026: From $888
    22

    Tu

  • SEA–BIO, 09/23/2026 – 10/14/2026: From $893
    23

    We

  • SEA–BIO, 09/24/2026 – 10/01/2026: From $938
    24

    Th

  • SEA–BIO, 09/25/2026 – 10/16/2026: From $938
    25

    Fr

  • SEA–BIO, 09/26/2026 – 10/10/2026: From $1,000
    26

    Sa

  • SEA–BIO, 09/27/2026 – 10/11/2026: From $938
    27

    Su

  • SEA–BIO, 09/28/2026 – 10/05/2026: From $938
    28

    Mo

  • SEA–BIO, 09/29/2026 – 10/06/2026: From $888
    29

    Tu

  • SEA–BIO, 09/30/2026 – 10/07/2026: From $1,132
    30

    We

  • SEA–BIO, 10/01/2026 – 10/15/2026: From $938
    01

    Th

    oct

  • SEA–BIO, 10/02/2026 – 10/16/2026: From $938
    02

    Fr

  • SEA–BIO, 10/03/2026 – 10/10/2026: From $1,000
    03

    Sa

  • SEA–BIO, 10/04/2026 – 10/11/2026: From $938
    04

    Su

  • SEA–BIO, 10/05/2026 – 10/12/2026: From $836
    05

    Mo

  • SEA–BIO, 10/06/2026 – 10/13/2026: From $786
    06

    Tu

  • SEA–BIO, 10/07/2026 – 10/21/2026: From $926
    07

    We

    • Range$786-$1,210

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.

    The best deals on flights from Seattle to Bilbao for the upcoming months

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    The best deals on flights from Seattle to Bilbao for the upcoming months
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Bilbao (BIO)Round-trip
    /
    Economy    		12/07/2026 - 12/10/2026

    From

    $726

    Seen: 17 hrs ago

    Seattle (SEA)Bilbao (BIO)Round-trip
    /
    Economy    		12/06/2026 - 12/09/2026

    From

    $726

    Seen: 1 day ago

    Seattle (SEA)Bilbao (BIO)Round-trip
    /
    Economy    		12/07/2026 - 12/14/2026

    From

    $776

    Seen: 17 hrs ago

    Seattle (SEA)Bilbao (BIO)Round-trip
    /
    Economy    		12/06/2026 - 12/13/2026

    From

    $783

    Seen: 1 day ago

    Seattle (SEA)Bilbao (BIO)Round-trip
    /
    Economy    		12/07/2026 - 12/21/2026

    From

    $783

    Seen: 17 hrs ago

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
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    Travel from Seattle to Bilbao with Air France

    Whether you're looking for a last-minute Seattle - Bilbao (Spain) flight or planning a flight at a later date, take advantage of our lowest prices for your travel dates on this site. Take a look at the next 6 months and find the best price to fly whit Air France from Seattle (SEA) to Bilbao (BIO) or directly pick your departure date if your trip to Bilbao (Spain) is already scheduled.

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