Flights Houston – Porto (IAH-OPO) from $709*

*Modifying this information may result in a different fare

Book flights from Houston to Porto

Sep 2026
From$967*
Seen: 15 hrs ago
Round-trip/Economy
Oct 2026
From$718*
Seen: 1 day ago
Round-trip/Economy
Nov 2026
From$718*
Seen: 15 hrs ago
Round-trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $793
cmp-daily-histogram-bars-legend-max-price-aria-label $1.2K
Displaying fares for September-2026
  • IAH–OPO, 09/08/2026 – 10/06/2026: From $1,118
    08

    Tu

    sep

  • IAH–OPO, 09/09/2026 – 09/16/2026: From $1,118
    09

    We

  • IAH–OPO, 09/10/2026 – 09/17/2026: From $1,188
    10

    Th

  • IAH–OPO, 09/11/2026 – 09/18/2026: From $1,188
    11

    Fr

  • IAH–OPO, 09/12/2026 – 09/19/2026: From $1,248
    12

    Sa

  • IAH–OPO, 09/13/2026 – 09/20/2026: From $1,178
    13

    Su

  • IAH–OPO, 09/14/2026 – 10/05/2026: From $1,178
    14

    Mo

  • IAH–OPO, 09/15/2026 – 09/22/2026: From $1,118
    15

    Tu

  • IAH–OPO, 09/16/2026 – 10/14/2026: From $1,118
    16

    We

  • IAH–OPO, 09/17/2026 – 10/08/2026: From $1,032
    17

    Th

  • IAH–OPO, 09/18/2026 – 09/25/2026: From $1,081
    18

    Fr

  • IAH–OPO, 09/19/2026 – 10/10/2026: From $1,094
    19

    Sa

  • IAH–OPO, 09/20/2026 – 10/11/2026: From $1,081
    20

    Su

  • IAH–OPO, 09/21/2026 – 10/05/2026: From $1,027
    21

    Mo

  • IAH–OPO, 09/22/2026 – 09/29/2026: From $967
    22

    Tu

  • IAH–OPO, 09/23/2026 – 10/14/2026: From $967
    23

    We

  • IAH–OPO, 09/24/2026 – 10/08/2026: From $1,027
    24

    Th

  • IAH–OPO, 09/25/2026 – 10/09/2026: From $1,034
    25

    Fr

  • IAH–OPO, 09/26/2026 – 10/10/2026: From $1,094
    26

    Sa

  • IAH–OPO, 09/27/2026 – 10/25/2026: From $1,034
    27

    Su

  • IAH–OPO, 09/28/2026 – 10/26/2026: From $1,027
    28

    Mo

  • IAH–OPO, 09/29/2026 – 10/13/2026: From $967
    29

    Tu

  • IAH–OPO, 09/30/2026 – 10/28/2026: From $972
    30

    We

  • IAH–OPO, 10/01/2026 – 10/08/2026: From $1,027
    01

    Th

    oct

  • IAH–OPO, 10/02/2026 – 10/30/2026: From $1,085
    02

    Fr

  • IAH–OPO, 10/03/2026 – 10/31/2026: From $1,087
    03

    Sa

  • IAH–OPO, 10/04/2026 – 11/01/2026: From $963
    04

    Su

  • IAH–OPO, 10/05/2026 – 11/02/2026: From $843
    05

    Mo

  • IAH–OPO, 10/06/2026 – 11/03/2026: From $793
    06

    Tu

  • IAH–OPO, 10/07/2026 – 11/04/2026: From $906
    07

    We

    • Range$793-$1,248

    *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    		12/06/2026 - 12/09/2026

    From

    $709

    Seen: 15 hrs ago

    Houston (IAH)Porto (OPO)Round-trip
    /
    Economy    		10/27/2026 - 11/03/2026

    From

    $718

    Seen: 1 day ago

    Houston (IAH)Porto (OPO)Round-trip
    /
    Economy    		10/28/2026 - 11/04/2026

    From

    $718

    Seen: 1 day ago

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

    From

    $718

    Seen: 1 day ago

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

    From

    $718

    Seen: 1 day 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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