Houston (IAH) to Porto (OPO) flights from USD745

*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 Houston and Porto

cmp-daily-histogram-bars-legend-min-price-aria-label USD745
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.3K
Displaying fares for October-2026
  • IAH–OPO, 10/25/2026 – 11/01/2026: From USD845
    25

    Su

    OCT

  • IAH–OPO, 10/26/2026 – 11/09/2026: From USD795
    26

    Mo

  • IAH–OPO, 10/27/2026 – 11/03/2026: From USD795
    27

    Tu

  • IAH–OPO, 10/28/2026 – 11/04/2026: From USD795
    28

    We

  • IAH–OPO, 10/29/2026 – 11/05/2026: From USD945
    29

    Th

  • IAH–OPO, 10/30/2026 – 11/06/2026: From USD845
    30

    Fr

  • IAH–OPO, 10/31/2026 – 11/21/2026: From USD895
    31

    Sa

  • IAH–OPO, 11/01/2026 – 11/15/2026: From USD845
    01

    Su

    NOV

  • IAH–OPO, 11/02/2026 – 11/09/2026: From USD795
    02

    Mo

  • IAH–OPO, 11/03/2026 – 11/10/2026: From USD795
    03

    Tu

  • IAH–OPO, 11/04/2026 – 11/18/2026: From USD795
    04

    We

  • IAH–OPO, 11/05/2026 – 11/12/2026: From USD845
    05

    Th

  • IAH–OPO, 11/06/2026 – 11/13/2026: From USD845
    06

    Fr

  • IAH–OPO, 11/07/2026 – 11/14/2026: From USD895
    07

    Sa

  • IAH–OPO, 11/08/2026 – 12/06/2026: From USD845
    08

    Su

  • IAH–OPO, 11/09/2026 – 11/16/2026: From USD795
    09

    Mo

  • IAH–OPO, 11/10/2026 – 11/17/2026: From USD795
    10

    Tu

  • IAH–OPO, 11/11/2026 – 11/25/2026: From USD795
    11

    We

  • IAH–OPO, 11/12/2026 – 11/19/2026: From USD845
    12

    Th

  • IAH–OPO, 11/13/2026 – 11/16/2026: From USD845
    13

    Fr

  • IAH–OPO, 11/14/2026 – 12/05/2026: From USD895
    14

    Sa

  • IAH–OPO, 11/15/2026 – 12/13/2026: From USD845
    15

    Su

  • IAH–OPO, 11/16/2026 – 12/07/2026: From USD795
    16

    Mo

  • IAH–OPO, 11/17/2026 – 11/24/2026: From USD795
    17

    Tu

  • IAH–OPO, 11/18/2026 – 12/09/2026: From USD796
    18

    We

  • IAH–OPO, 11/19/2026 – 12/03/2026: From USD1,044
    19

    Th

  • IAH–OPO, 11/20/2026 – 12/11/2026: From USD1,301
    20

    Fr

  • IAH–OPO, 11/21/2026 – 12/05/2026: From USD1,207
    21

    Sa

  • IAH–OPO, 11/22/2026 – 12/06/2026: From USD899
    22

    Su

  • IAH–OPO, 11/23/2026 – 12/07/2026: From USD745
    23

    Mo

  • IAH–OPO, 11/24/2026 – 12/08/2026: From USD745
    24

    Tu

  • RangeUSD745-USD1,301