Portland, OR (PDX) to Bilbao (BIO) flights from USD612

*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 Bilbao

cmp-daily-histogram-bars-legend-min-price-aria-label USD617
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.1K
Displaying fares for September-2026
  • PDX–BIO, 09/17/2026 – 10/15/2026: From USD1,060
    17

    Th

    SEP

  • PDX–BIO, 09/18/2026 – 09/25/2026: From USD1,070
    18

    Fr

  • PDX–BIO, 09/19/2026 – 09/26/2026: From USD998
    19

    Sa

  • PDX–BIO, 09/20/2026 – 09/27/2026: From USD943
    20

    Su

  • PDX–BIO, 09/21/2026 – 09/28/2026: From USD943
    21

    Mo

  • PDX–BIO, 09/22/2026 – 09/29/2026: From USD617
    22

    Tu

  • PDX–BIO, 09/23/2026 – 09/30/2026: From USD758
    23

    We

  • PDX–BIO, 09/24/2026 – 10/22/2026: From USD673
    24

    Th

  • PDX–BIO, 09/25/2026 – 10/09/2026: From USD674
    25

    Fr

  • PDX–BIO, 09/26/2026 – 10/03/2026: From USD868
    26

    Sa

  • PDX–BIO, 09/27/2026 – 10/18/2026: From USD863
    27

    Su

  • PDX–BIO, 09/28/2026 – 10/05/2026: From USD813
    28

    Mo

  • PDX–BIO, 09/29/2026 – 10/06/2026: From USD624
    29

    Tu

  • PDX–BIO, 09/30/2026 – 10/14/2026: From USD758
    30

    We

  • PDX–BIO, 10/01/2026 – 10/22/2026: From USD934
    01

    Th

    OCT

  • PDX–BIO, 10/02/2026 – 10/09/2026: From USD858
    02

    Fr

  • PDX–BIO, 10/03/2026 – 10/31/2026: From USD734
    03

    Sa

  • PDX–BIO, 10/04/2026 – 11/01/2026: From USD842
    04

    Su

  • PDX–BIO, 10/05/2026 – 11/02/2026: From USD714
    05

    Mo

  • PDX–BIO, 10/06/2026 – 10/13/2026: From USD624
    06

    Tu

  • PDX–BIO, 10/07/2026 – 10/14/2026: From USD758
    07

    We

  • PDX–BIO, 10/08/2026 – 10/22/2026: From USD807
    08

    Th

  • PDX–BIO, 10/09/2026 – 11/06/2026: From USD1,015
    09

    Fr

  • PDX–BIO, 10/10/2026 – 10/31/2026: From USD734
    10

    Sa

  • PDX–BIO, 10/11/2026 – 11/08/2026: From USD674
    11

    Su

  • PDX–BIO, 10/12/2026 – 11/09/2026: From USD674
    12

    Mo

  • PDX–BIO, 10/13/2026 – 10/20/2026: From USD624
    13

    Tu

  • PDX–BIO, 10/14/2026 – 11/11/2026: From USD629
    14

    We

  • PDX–BIO, 10/15/2026 – 10/22/2026: From USD673
    15

    Th

  • PDX–BIO, 10/16/2026 – 11/13/2026: From USD808
    16

    Fr

  • RangeUSD617-USD1,070