Houston (IAH) to Bilbao (BIO) flights from USD761

*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.

Why book directly on the KLM website?

Explore the benefits of booking through our website.

No hidden costs icon

No hidden costs

Book with confidence. Our rates hide no unpleasant surprises.

24/7 customer service icon

24/7 customer service

Count on direct, personal support whenever you need it, day or night.

Seamless travel icon

Seamless travel

Enjoy a smooth journey with timely updates and automatic rebooking.

Lowest fares between Houston and Bilbao

cmp-daily-histogram-bars-legend-min-price-aria-label USD761
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.3K
Displaying fares for October-2026
  • IAH–BIO, 10/05/2026 – 10/12/2026: From USD912
    05

    Mo

    OCT

  • IAH–BIO, 10/06/2026 – 10/20/2026: From USD862
    06

    Tu

  • IAH–BIO, 10/07/2026 – 10/21/2026: From USD872
    07

    We

  • IAH–BIO, 10/08/2026 – 10/22/2026: From USD992
    08

    Th

  • IAH–BIO, 10/09/2026 – 10/16/2026: From USD1,305
    09

    Fr

  • IAH–BIO, 10/10/2026 – 11/07/2026: From USD952
    10

    Sa

  • IAH–BIO, 10/11/2026 – 11/08/2026: From USD934
    11

    Su

  • IAH–BIO, 10/12/2026 – 11/09/2026: From USD939
    12

    Mo

  • IAH–BIO, 10/13/2026 – 10/20/2026: From USD877
    13

    Tu

  • IAH–BIO, 10/14/2026 – 10/21/2026: From USD852
    14

    We

  • IAH–BIO, 10/15/2026 – 10/22/2026: From USD917
    15

    Th

  • IAH–BIO, 10/16/2026 – 11/13/2026: From USD926
    16

    Fr

  • IAH–BIO, 10/17/2026 – 11/07/2026: From USD972
    17

    Sa

  • IAH–BIO, 10/18/2026 – 11/08/2026: From USD934
    18

    Su

  • IAH–BIO, 10/19/2026 – 11/16/2026: From USD922
    19

    Mo

  • IAH–BIO, 10/20/2026 – 11/10/2026: From USD884
    20

    Tu

  • IAH–BIO, 10/21/2026 – 11/18/2026: From USD852
    21

    We

  • IAH–BIO, 10/22/2026 – 11/19/2026: From USD917
    22

    Th

  • IAH–BIO, 10/23/2026 – 11/13/2026: From USD926
    23

    Fr

  • IAH–BIO, 10/24/2026 – 11/07/2026: From USD952
    24

    Sa

  • IAH–BIO, 10/25/2026 – 11/22/2026: From USD917
    25

    Su

  • IAH–BIO, 10/26/2026 – 11/16/2026: From USD917
    26

    Mo

  • IAH–BIO, 10/27/2026 – 11/24/2026: From USD867
    27

    Tu

  • IAH–BIO, 10/28/2026 – 11/25/2026: From USD867
    28

    We

  • IAH–BIO, 10/29/2026 – 11/19/2026: From USD917
    29

    Th

  • IAH–BIO, 10/30/2026 – 11/13/2026: From USD975
    30

    Fr

  • IAH–BIO, 10/31/2026 – 11/07/2026: From USD870
    31

    Sa

  • IAH–BIO, 11/01/2026 – 11/22/2026: From USD905
    01

    Su

    NOV

  • IAH–BIO, 11/02/2026 – 11/23/2026: From USD811
    02

    Mo

  • IAH–BIO, 11/03/2026 – 11/17/2026: From USD778
    03

    Tu

  • IAH–BIO, 11/04/2026 – 11/18/2026: From USD761
    04

    We

  • RangeUSD761-USD1,305