Austin (AUS) to Bilbao (BIO) flights from USD746

*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 Austin and Bilbao

cmp-daily-histogram-bars-legend-min-price-aria-label USD765
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.0K
Displaying fares for October-2026
  • AUS–BIO, 10/07/2026 – 10/21/2026: From USD891
    07

    We

    OCT

  • AUS–BIO, 10/08/2026 – 10/15/2026: From USD922
    08

    Th

  • AUS–BIO, 10/09/2026 – 11/06/2026: From USD977
    09

    Fr

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

    Sa

  • AUS–BIO, 10/11/2026 – 11/08/2026: From USD922
    11

    Su

  • AUS–BIO, 10/12/2026 – 11/09/2026: From USD912
    12

    Mo

  • AUS–BIO, 10/13/2026 – 10/20/2026: From USD891
    13

    Tu

  • AUS–BIO, 10/14/2026 – 10/21/2026: From USD872
    14

    We

  • AUS–BIO, 10/15/2026 – 11/12/2026: From USD932
    15

    Th

  • AUS–BIO, 10/16/2026 – 11/13/2026: From USD902
    16

    Fr

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

    Sa

  • AUS–BIO, 10/18/2026 – 11/08/2026: From USD922
    18

    Su

  • AUS–BIO, 10/19/2026 – 11/16/2026: From USD902
    19

    Mo

  • AUS–BIO, 10/20/2026 – 11/10/2026: From USD891
    20

    Tu

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

    We

  • AUS–BIO, 10/22/2026 – 11/19/2026: From USD922
    22

    Th

  • AUS–BIO, 10/23/2026 – 11/06/2026: From USD902
    23

    Fr

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

    Sa

  • AUS–BIO, 10/25/2026 – 11/22/2026: From USD922
    25

    Su

  • AUS–BIO, 10/26/2026 – 11/23/2026: From USD997
    26

    Mo

  • AUS–BIO, 10/27/2026 – 11/24/2026: From USD872
    27

    Tu

  • AUS–BIO, 10/28/2026 – 11/18/2026: From USD872
    28

    We

  • AUS–BIO, 10/29/2026 – 11/19/2026: From USD902
    29

    Th

  • AUS–BIO, 10/30/2026 – 11/06/2026: From USD902
    30

    Fr

  • AUS–BIO, 10/31/2026 – 11/07/2026: From USD952
    31

    Sa

  • AUS–BIO, 11/01/2026 – 11/22/2026: From USD1,021
    01

    Su

    NOV

  • AUS–BIO, 11/02/2026 – 11/16/2026: From USD921
    02

    Mo

  • AUS–BIO, 11/03/2026 – 11/24/2026: From USD765
    03

    Tu

  • AUS–BIO, 11/04/2026 – 11/18/2026: From USD765
    04

    We

  • AUS–BIO, 11/05/2026 – 11/19/2026: From USD815
    05

    Th

  • AUS–BIO, 11/06/2026 – 12/04/2026: From USD815
    06

    Fr

  • RangeUSD765-USD1,021