American Airlines flights from Houston to Lisbon

Recent searches for flights from Houston to Lisbon

Aug 2026
From$1,083*
Updated: 9 hours ago
Round tripIEconomy
Sep 2026
From$807*
Updated: 9 hours ago
Round tripIEconomy
Oct 2026
From$736*
Updated: 17 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.1K
cmp-daily-histogram-bars-legend-max-price-aria-label $1.8K
Displaying fares for August-2026
  • IAH–LIS, 08/05/26 – 08/09/26: From $1,795
    05

    We

    AUG

  • IAH–LIS, 08/06/26 – 08/13/26: From $1,354
    06

    Th

  • IAH–LIS, 08/07/26 – 08/14/26: From $1,354
    07

    Fr

  • IAH–LIS, 08/08/26 – 08/15/26: From $1,629
    08

    Sa

  • IAH–LIS, 08/09/26 – 08/16/26: From $1,469
    09

    Su

  • IAH–LIS, 08/10/26 – 08/17/26: From $1,300
    10

    Mo

  • IAH–LIS, 08/11/26 – 08/18/26: From $1,306
    11

    Tu

  • IAH–LIS, 08/12/26 – 08/19/26: From $1,083
    12

    We

  • IAH–LIS, 08/13/26 – 08/20/26: From $1,207
    13

    Th

  • IAH–LIS, 08/14/26 – 08/21/26: From $1,207
    14

    Fr

  • IAH–LIS, 08/15/26 – 08/22/26: From $1,267
    15

    Sa

  • IAH–LIS, 08/16/26 – 08/23/26: From $1,484
    16

    Su

  • IAH–LIS, 08/17/26 – 08/24/26: From $1,207
    17

    Mo

  • IAH–LIS, 08/18/26 – 08/25/26: From $1,156
    18

    Tu

  • IAH–LIS, 08/19/26 – 08/26/26: From $1,083
    19

    We

  • IAH–LIS, 08/20/26 – 08/27/26: From $1,143
    20

    Th

  • IAH–LIS, 08/21/26 – 08/28/26: From $1,143
    21

    Fr

  • IAH–LIS, 08/22/26 – 08/29/26: From $1,424
    22

    Sa

  • IAH–LIS, 08/23/26 – 08/30/26: From $1,290
    23

    Su

  • IAH–LIS, 08/24/26 – 08/31/26: From $1,290
    24

    Mo

  • IAH–LIS, 08/25/26 – 09/01/26: From $1,230
    25

    Tu

  • IAH–LIS, 08/26/26 – 09/02/26: From $1,230
    26

    We

  • IAH–LIS, 08/27/26 – 09/03/26: From $1,300
    27

    Th

  • IAH–LIS, 08/28/26 – 09/04/26: From $1,308
    28

    Fr

  • IAH–LIS, 08/29/26 – 09/05/26: From $1,433
    29

    Sa

  • IAH–LIS, 08/30/26 – 09/06/26: From $1,631
    30

    Su

  • IAH–LIS, 08/31/26 – 09/07/26: From $1,527
    31

    Mo

  • IAH–LIS, 09/01/26 – 09/08/26: From $1,303
    01

    Tu

    SEP

  • IAH–LIS, 09/02/26 – 09/09/26: From $1,325
    02

    We

  • IAH–LIS, 09/03/26 – 09/10/26: From $1,296
    03

    Th

  • IAH–LIS, 09/04/26 – 09/11/26: From $1,177
    04

    Fr

    • range$1,083-$1,795

    DisclaimerFares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Fares listed may be Basic Economy, which class is subject to additional terms and conditions. Additional baggage fees and charges for optional products and services may apply.

    Find deals on Houston to Lisbon flights

    $
    keyboard_arrow_down

    Houston (IAH)to

    Lisbon (LIS)
    10/27/26 - 11/10/26

    Round trip

    Economy

    from
    $736Fare subject to changes
    Updated: 17 hours ago

    Houston (IAH)to

    Lisbon (LIS)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $739Fare subject to changes
    Updated: 9 hours ago

    Houston (IAH)to

    Lisbon (LIS)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $739Fare subject to changes
    Updated: 9 hours ago

    Houston (IAH)to

    Lisbon (LIS)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $739Fare subject to changes
    Updated: 9 hours ago

    Houston (IAH)to

    Lisbon (LIS)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $739Fare subject to changes
    Updated: 9 hours ago

    Houston (IAH)to

    Lisbon (LIS)
    11/16/26 - 11/23/26

    Round trip

    Economy

    from
    $739Fare subject to changes
    Updated: 9 hours ago

    Houston (IAH)to

    Lisbon (LIS)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $739Fare subject to changes
    Updated: 9 hours ago

    Houston (IAH)to

    Lisbon (LIS)
    11/18/26 - 11/25/26

    Round trip

    Economy

    from
    $739Fare subject to changes
    Updated: 9 hours ago

    *Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

    Finding cheap flights from Houston to Lisbon

    Looking for lower fares on your trip from Houston to Lisbon? Here are a few ways to save.

    • Book early: Booking 1 to 3 months ahead can help you find lower fares
    • Be flexible with dates: Midweek travel, like Tuesdays and Wednesdays, can be more affordable
    • Travel during less busy periods: Flying outside peak travel times can help find lower fares and avoid crowds

    Earn up to $500 back on your next American Airlines flight plus, 30,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.

    Upgrade your flight with Main Cabin Extra

    Make your trip more comfortable with Main Cabin Extra. Enjoy benefits like:

    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
    • Early boarding: Preferred Group 5 boarding allows easier access to overhead bins.
    • Complimentary drinks: Enjoy beer, wine and spirits on flights with full beverage service.

    Discover how Main Cabin Extra can enhance your trip.

    American Airlines flights from Houston to Lisbon