Austin (AUS) to Porto (OPO) flights from USD728

*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 Austin and Porto

cmp-daily-histogram-bars-legend-min-price-aria-label USD922
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.5K
Displaying fares for September-2026
  • AUS–OPO, 09/05/2026 – 09/12/2026: From USD1,202
    05

    Sa

    SEP

  • AUS–OPO, 09/06/2026 – 09/20/2026: From USD1,384
    06

    Su

  • AUS–OPO, 09/07/2026 – 09/21/2026: From USD1,136
    07

    Mo

  • AUS–OPO, 09/08/2026 – 09/22/2026: From USD1,086
    08

    Tu

  • AUS–OPO, 09/09/2026 – 10/07/2026: From USD1,091
    09

    We

  • AUS–OPO, 09/10/2026 – 10/01/2026: From USD1,146
    10

    Th

  • AUS–OPO, 09/11/2026 – 09/18/2026: From USD1,152
    11

    Fr

  • AUS–OPO, 09/12/2026 – 10/10/2026: From USD1,206
    12

    Sa

  • AUS–OPO, 09/13/2026 – 09/20/2026: From USD1,530
    13

    Su

  • AUS–OPO, 09/14/2026 – 09/21/2026: From USD1,132
    14

    Mo

  • AUS–OPO, 09/15/2026 – 09/22/2026: From USD1,086
    15

    Tu

  • AUS–OPO, 09/16/2026 – 09/30/2026: From USD1,086
    16

    We

  • AUS–OPO, 09/17/2026 – 09/24/2026: From USD1,029
    17

    Th

  • AUS–OPO, 09/18/2026 – 09/25/2026: From USD1,410
    18

    Fr

  • AUS–OPO, 09/19/2026 – 10/10/2026: From USD1,089
    19

    Sa

  • AUS–OPO, 09/20/2026 – 09/23/2026: From USD1,455
    20

    Su

  • AUS–OPO, 09/21/2026 – 10/12/2026: From USD1,029
    21

    Mo

  • AUS–OPO, 09/22/2026 – 10/20/2026: From USD979
    22

    Tu

  • AUS–OPO, 09/23/2026 – 10/07/2026: From USD984
    23

    We

  • AUS–OPO, 09/24/2026 – 10/01/2026: From USD1,029
    24

    Th

  • AUS–OPO, 09/25/2026 – 10/02/2026: From USD1,044
    25

    Fr

  • AUS–OPO, 09/26/2026 – 10/03/2026: From USD1,089
    26

    Sa

  • AUS–OPO, 09/27/2026 – 10/25/2026: From USD1,084
    27

    Su

  • AUS–OPO, 09/28/2026 – 10/26/2026: From USD1,029
    28

    Mo

  • AUS–OPO, 09/29/2026 – 10/20/2026: From USD975
    29

    Tu

  • AUS–OPO, 09/30/2026 – 10/28/2026: From USD1,217
    30

    We

  • AUS–OPO, 10/01/2026 – 10/08/2026: From USD1,029
    01

    Th

    OCT

  • AUS–OPO, 10/02/2026 – 10/09/2026: From USD1,165
    02

    Fr

  • AUS–OPO, 10/03/2026 – 10/10/2026: From USD977
    03

    Sa

  • AUS–OPO, 10/04/2026 – 11/01/2026: From USD922
    04

    Su

  • RangeUSD922-USD1,530