Flights Houston – Porto (IAH-OPO) from $708*

*Modifying this information may result in a different fare

Book flights from Houston to Porto

Jul 2026
From$971*
Seen: 9 hrs ago
Round-trip/Economy
Aug 2026
From$921*
Seen: 9 hrs ago
Round-trip/Economy
Sep 2026
From$871*
Seen: 9 hrs ago
Round-trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $921
cmp-daily-histogram-bars-legend-max-price-aria-label $1.3K
Displaying fares for July-2026
  • IAH–OPO, 07/29/2026 – 08/19/2026: From $971
    29

    We

    jul

  • IAH–OPO, 07/30/2026 – 08/20/2026: From $1,031
    30

    Th

  • IAH–OPO, 07/31/2026 – 08/28/2026: From $1,031
    31

    Fr

  • IAH–OPO, 08/01/2026 – 08/22/2026: From $1,091
    01

    Sa

    aug

  • IAH–OPO, 08/02/2026 – 08/23/2026: From $1,031
    02

    Su

  • IAH–OPO, 08/03/2026 – 08/31/2026: From $1,031
    03

    Mo

  • IAH–OPO, 08/04/2026 – 08/25/2026: From $971
    04

    Tu

  • IAH–OPO, 08/05/2026 – 08/19/2026: From $971
    05

    We

  • IAH–OPO, 08/06/2026 – 08/27/2026: From $1,031
    06

    Th

  • IAH–OPO, 08/07/2026 – 08/28/2026: From $1,031
    07

    Fr

  • IAH–OPO, 08/08/2026 – 08/22/2026: From $1,091
    08

    Sa

  • IAH–OPO, 08/09/2026 – 09/06/2026: From $1,031
    09

    Su

  • IAH–OPO, 08/10/2026 – 08/24/2026: From $1,031
    10

    Mo

  • IAH–OPO, 08/11/2026 – 08/25/2026: From $971
    11

    Tu

  • IAH–OPO, 08/12/2026 – 09/02/2026: From $971
    12

    We

  • IAH–OPO, 08/13/2026 – 08/27/2026: From $1,031
    13

    Th

  • IAH–OPO, 08/14/2026 – 09/11/2026: From $1,031
    14

    Fr

  • IAH–OPO, 08/15/2026 – 08/22/2026: From $1,091
    15

    Sa

  • IAH–OPO, 08/16/2026 – 09/06/2026: From $1,031
    16

    Su

  • IAH–OPO, 08/17/2026 – 09/07/2026: From $1,031
    17

    Mo

  • IAH–OPO, 08/18/2026 – 08/25/2026: From $971
    18

    Tu

  • IAH–OPO, 08/19/2026 – 08/26/2026: From $971
    19

    We

  • IAH–OPO, 08/20/2026 – 09/10/2026: From $1,031
    20

    Th

  • IAH–OPO, 08/21/2026 – 09/04/2026: From $1,035
    21

    Fr

  • IAH–OPO, 08/22/2026 – 08/29/2026: From $1,252
    22

    Sa

  • IAH–OPO, 08/23/2026 – 08/30/2026: From $1,182
    23

    Su

  • IAH–OPO, 08/24/2026 – 08/31/2026: From $1,182
    24

    Mo

  • IAH–OPO, 08/25/2026 – 09/01/2026: From $921
    25

    Tu

  • IAH–OPO, 08/26/2026 – 09/16/2026: From $921
    26

    We

  • IAH–OPO, 08/27/2026 – 09/24/2026: From $991
    27

    Th

  • IAH–OPO, 08/28/2026 – 09/04/2026: From $991
    28

    Fr

    • Range$921-$1,252

    *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    		10/27/2026 - 11/03/2026

    From

    $708

    Seen: 1 hour ago

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

    From

    $708

    Seen: 1 hour ago

    Houston (IAH)Porto (OPO)Round-trip
    /
    Economy    		10/27/2026 - 11/24/2026

    From

    $708

    Seen: 1 hour ago

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

    From

    $708

    Seen: 1 hour ago

    Houston (IAH)Porto (OPO)Round-trip
    /
    Economy    		10/27/2026 - 10/30/2026

    From

    $764

    Seen: 1 hour 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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