Austin (AUS) to Porto (OPO) flights from USD743

*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 USD975
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.6K
Displaying fares for August-2026
  • AUS–OPO, 08/07/2026 – 09/04/2026: From USD1,039
    07

    Fr

    AUG

  • AUS–OPO, 08/08/2026 – 08/29/2026: From USD1,089
    08

    Sa

  • AUS–OPO, 08/09/2026 – 09/06/2026: From USD1,046
    09

    Su

  • AUS–OPO, 08/10/2026 – 08/24/2026: From USD1,025
    10

    Mo

  • AUS–OPO, 08/11/2026 – 08/25/2026: From USD975
    11

    Tu

  • AUS–OPO, 08/12/2026 – 08/19/2026: From USD979
    12

    We

  • AUS–OPO, 08/13/2026 – 09/10/2026: From USD1,029
    13

    Th

  • AUS–OPO, 08/14/2026 – 08/28/2026: From USD1,039
    14

    Fr

  • AUS–OPO, 08/15/2026 – 08/29/2026: From USD1,089
    15

    Sa

  • AUS–OPO, 08/16/2026 – 09/06/2026: From USD1,042
    16

    Su

  • AUS–OPO, 08/17/2026 – 08/24/2026: From USD1,025
    17

    Mo

  • AUS–OPO, 08/18/2026 – 09/15/2026: From USD975
    18

    Tu

  • AUS–OPO, 08/19/2026 – 08/26/2026: From USD979
    19

    We

  • AUS–OPO, 08/20/2026 – 08/27/2026: From USD1,029
    20

    Th

  • AUS–OPO, 08/21/2026 – 08/28/2026: From USD1,039
    21

    Fr

  • AUS–OPO, 08/22/2026 – 08/29/2026: From USD1,202
    22

    Sa

  • AUS–OPO, 08/23/2026 – 09/06/2026: From USD1,149
    23

    Su

  • AUS–OPO, 08/24/2026 – 08/31/2026: From USD1,132
    24

    Mo

  • AUS–OPO, 08/25/2026 – 09/15/2026: From USD1,082
    25

    Tu

  • AUS–OPO, 08/26/2026 – 09/02/2026: From USD1,090
    26

    We

  • AUS–OPO, 08/27/2026 – 09/24/2026: From USD1,146
    27

    Th

  • AUS–OPO, 08/28/2026 – 09/11/2026: From USD1,280
    28

    Fr

  • AUS–OPO, 08/29/2026 – 09/05/2026: From USD1,202
    29

    Sa

  • AUS–OPO, 08/30/2026 – 09/06/2026: From USD1,153
    30

    Su

  • AUS–OPO, 08/31/2026 – 09/14/2026: From USD1,136
    31

    Mo

  • AUS–OPO, 09/01/2026 – 09/22/2026: From USD1,090
    01

    Tu

    SEP

  • AUS–OPO, 09/02/2026 – 09/16/2026: From USD1,214
    02

    We

  • AUS–OPO, 09/03/2026 – 09/10/2026: From USD1,368
    03

    Th

  • AUS–OPO, 09/04/2026 – 09/11/2026: From USD1,561
    04

    Fr

  • AUS–OPO, 09/05/2026 – 09/19/2026: From USD1,044
    05

    Sa

  • AUS–OPO, 09/06/2026 – 10/04/2026: From USD1,283
    06

    Su

  • RangeUSD975-USD1,561