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

*Modifying this information may result in a different fare

Book flights from Houston to Porto

Aug 2026
From$967*
Seen: 1 day ago
Round-trip/Economy
Sep 2026
From$867*
Seen: 2 hrs ago
Round-trip/Economy
Oct 2026
From$769*
Seen: 1 day ago
Round-trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $921
cmp-daily-histogram-bars-legend-max-price-aria-label $1.4K
Displaying fares for August-2026
  • IAH–OPO, 08/18/2026 – 08/25/2026: From $967
    18

    Tu

    aug

  • IAH–OPO, 08/19/2026 – 08/26/2026: From $967
    19

    We

  • IAH–OPO, 08/20/2026 – 09/10/2026: From $1,027
    20

    Th

  • IAH–OPO, 08/21/2026 – 09/04/2026: From $1,031
    21

    Fr

  • IAH–OPO, 08/22/2026 – 08/29/2026: From $1,248
    22

    Sa

  • IAH–OPO, 08/23/2026 – 08/30/2026: From $1,178
    23

    Su

  • IAH–OPO, 08/24/2026 – 08/31/2026: From $1,178
    24

    Mo

  • IAH–OPO, 08/25/2026 – 09/01/2026: From $1,118
    25

    Tu

  • IAH–OPO, 08/26/2026 – 09/16/2026: From $1,118
    26

    We

  • IAH–OPO, 08/27/2026 – 09/24/2026: From $1,188
    27

    Th

  • IAH–OPO, 08/28/2026 – 09/04/2026: From $1,188
    28

    Fr

  • IAH–OPO, 08/29/2026 – 09/26/2026: From $1,248
    29

    Sa

  • IAH–OPO, 08/30/2026 – 09/06/2026: From $1,178
    30

    Su

  • IAH–OPO, 08/31/2026 – 09/14/2026: From $1,178
    31

    Mo

  • IAH–OPO, 09/01/2026 – 09/08/2026: From $1,122
    01

    Tu

    sep

  • IAH–OPO, 09/02/2026 – 09/09/2026: From $1,118
    02

    We

  • IAH–OPO, 09/03/2026 – 09/10/2026: From $1,188
    03

    Th

  • IAH–OPO, 09/04/2026 – 09/25/2026: From $1,397
    04

    Fr

  • IAH–OPO, 09/05/2026 – 09/19/2026: From $1,248
    05

    Sa

  • IAH–OPO, 09/06/2026 – 09/20/2026: From $1,281
    06

    Su

  • IAH–OPO, 09/07/2026 – 09/14/2026: From $1,178
    07

    Mo

  • IAH–OPO, 09/08/2026 – 09/15/2026: From $1,118
    08

    Tu

  • IAH–OPO, 09/09/2026 – 10/07/2026: From $1,118
    09

    We

  • IAH–OPO, 09/10/2026 – 09/24/2026: From $1,188
    10

    Th

  • IAH–OPO, 09/11/2026 – 09/25/2026: From $1,192
    11

    Fr

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

    Sa

  • IAH–OPO, 09/13/2026 – 09/20/2026: From $1,281
    13

    Su

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

    Mo

  • IAH–OPO, 09/15/2026 – 09/22/2026: From $921
    15

    Tu

  • IAH–OPO, 09/16/2026 – 10/14/2026: From $921
    16

    We

  • IAH–OPO, 09/17/2026 – 09/24/2026: From $931
    17

    Th

    • Range$921-$1,397

    *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    		11/16/2026 - 11/19/2026

    From

    $709

    Seen: 2 hrs ago

    Houston (IAH)Porto (OPO)Round-trip
    /
    Economy    		11/15/2026 - 11/18/2026

    From

    $709

    Seen: 2 hrs ago

    Houston (IAH)Porto (OPO)Round-trip
    /
    Economy    		11/16/2026 - 11/23/2026

    From

    $759

    Seen: 2 hrs ago

    Houston (IAH)Porto (OPO)Round-trip
    /
    Economy    		11/15/2026 - 12/13/2026

    From

    $759

    Seen: 2 hrs ago

    Houston (IAH)Porto (OPO)Round-trip
    /
    Economy    		11/15/2026 - 11/22/2026

    From

    $759

    Seen: 2 hrs 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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