Flights Houston – Porto (IAH-OPO) from $717*

*Modifying this information may result in a different fare

Book flights from Houston to Porto

Sep 2026
From$1,172*
Seen: 1 hour ago
Round-trip/Economy
Oct 2026
From$717*
Seen: 7 minutes ago
Round-trip/Economy
Nov 2026
From$717*
Seen: 20 hrs ago
Round-trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $717
cmp-daily-histogram-bars-legend-max-price-aria-label $1.4K
Displaying fares for September-2026
  • IAH–OPO, 09/28/2026 – 10/26/2026: From $1,172
    28

    Mo

    sep

  • IAH–OPO, 09/29/2026 – 10/20/2026: From $1,172
    29

    Tu

  • IAH–OPO, 09/30/2026 – 10/21/2026: From $1,176
    30

    We

  • IAH–OPO, 10/01/2026 – 10/08/2026: From $1,232
    01

    Th

    oct

  • IAH–OPO, 10/02/2026 – 10/05/2026: From $1,405
    02

    Fr

  • IAH–OPO, 10/03/2026 – 10/10/2026: From $1,292
    03

    Sa

  • IAH–OPO, 10/04/2026 – 11/01/2026: From $1,125
    04

    Su

  • IAH–OPO, 10/05/2026 – 11/02/2026: From $1,075
    05

    Mo

  • IAH–OPO, 10/06/2026 – 11/03/2026: From $1,075
    06

    Tu

  • IAH–OPO, 10/07/2026 – 11/04/2026: From $1,075
    07

    We

  • IAH–OPO, 10/08/2026 – 11/05/2026: From $1,443
    08

    Th

  • IAH–OPO, 10/09/2026 – 11/06/2026: From $1,448
    09

    Fr

  • IAH–OPO, 10/10/2026 – 11/07/2026: From $1,185
    10

    Sa

  • IAH–OPO, 10/11/2026 – 11/08/2026: From $1,125
    11

    Su

  • IAH–OPO, 10/12/2026 – 11/02/2026: From $1,075
    12

    Mo

  • IAH–OPO, 10/13/2026 – 11/03/2026: From $978
    13

    Tu

  • IAH–OPO, 10/14/2026 – 11/11/2026: From $978
    14

    We

  • IAH–OPO, 10/15/2026 – 11/12/2026: From $1,028
    15

    Th

  • IAH–OPO, 10/16/2026 – 11/13/2026: From $1,032
    16

    Fr

  • IAH–OPO, 10/17/2026 – 11/07/2026: From $1,078
    17

    Sa

  • IAH–OPO, 10/18/2026 – 11/01/2026: From $1,028
    18

    Su

  • IAH–OPO, 10/19/2026 – 11/02/2026: From $978
    19

    Mo

  • IAH–OPO, 10/20/2026 – 11/03/2026: From $978
    20

    Tu

  • IAH–OPO, 10/21/2026 – 11/04/2026: From $982
    21

    We

  • IAH–OPO, 10/22/2026 – 11/12/2026: From $1,032
    22

    Th

  • IAH–OPO, 10/23/2026 – 11/06/2026: From $1,037
    23

    Fr

  • IAH–OPO, 10/24/2026 – 11/07/2026: From $817
    24

    Sa

  • IAH–OPO, 10/25/2026 – 11/15/2026: From $767
    25

    Su

  • IAH–OPO, 10/26/2026 – 11/23/2026: From $717
    26

    Mo

  • IAH–OPO, 10/27/2026 – 11/17/2026: From $717
    27

    Tu

    • Range$717-$1,448

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.

    The best deals on flights from Houston to Porto for the upcoming months

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    The best deals on flights from Houston to Porto for the upcoming months
    From
    To
    Fare Type
    Dates
    Price
    Houston (IAH)Porto (OPO)Round-trip
    /
    Economy    		10/26/2026 - 11/09/2026

    From

    $717

    Seen: 7 minutes ago

    Houston (IAH)Porto (OPO)Round-trip
    /
    Economy    		10/26/2026 - 11/16/2026

    From

    $717

    Seen: 7 minutes ago

    Houston (IAH)Porto (OPO)Round-trip
    /
    Economy    		10/27/2026 - 11/17/2026

    From

    $717

    Seen: 7 minutes ago

    Houston (IAH)Porto (OPO)Round-trip
    /
    Economy    		10/28/2026 - 11/11/2026

    From

    $717

    Seen: 7 minutes ago

    Houston (IAH)Porto (OPO)Round-trip
    /
    Economy    		10/28/2026 - 11/18/2026

    From

    $717

    Seen: 7 minutes ago

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
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    Travel from Houston to Porto with Air France

    Whether you're looking for a last-minute Houston - Porto (Portugal) flight or planning a flight at a later date, take advantage of our lowest prices for your travel dates on this site. Take a look at the next 6 months and find the best price to fly whit Air France from Houston (IAH) to Porto (OPO) or directly pick your departure date if your trip to Porto (Portugal) is already scheduled.

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