American Airlines flights from Houston to London

Recent searches for flights from Houston to London

Aug 2026
From$1,192*
Updated: 12 hours ago
Round tripIEconomy
Sep 2026
From$903*
Updated: 1 hour ago
Round tripIEconomy
Oct 2026
From$903*
Updated: 12 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $903
cmp-daily-histogram-bars-legend-max-price-aria-label $1.5K
Displaying fares for August-2026
  • IAH–LHR, 08/27/26 – 09/03/26: From $1,192
    27

    Th

    AUG

  • IAH–LHR, 08/28/26 – 09/04/26: From $1,240
    28

    Fr

  • IAH–LHR, 08/29/26 – 09/05/26: From $1,290
    29

    Sa

  • IAH–LON, 08/30/26 – 09/06/26: From $1,230
    30

    Su

  • IAH–LHR, 08/31/26 – 09/07/26: From $1,230
    31

    Mo

  • IAH–LHR, 09/01/26 – 09/15/26: From $1,147
    01

    Tu

    SEP

  • IAH–LON, 09/02/26 – 09/09/26: From $1,147
    02

    We

  • IAH–LHR, 09/03/26 – 09/10/26: From $1,459
    03

    Th

  • IAH–LON, 09/04/26 – 09/11/26: From $1,353
    04

    Fr

  • IAH–LHR, 09/05/26 – 09/12/26: From $1,242
    05

    Sa

  • IAH–LHR, 09/06/26 – 09/13/26: From $1,192
    06

    Su

  • IAH–LHR, 09/07/26 – 09/14/26: From $1,192
    07

    Mo

  • IAH–LON, 09/08/26 – 09/15/26: From $1,142
    08

    Tu

  • IAH–LHR, 09/09/26 – 09/16/26: From $1,142
    09

    We

  • IAH–LHR, 09/10/26 – 09/17/26: From $1,192
    10

    Th

  • IAH–LON, 09/11/26 – 09/18/26: From $1,192
    11

    Fr

  • IAH–LON, 09/12/26 – 09/19/26: From $1,242
    12

    Sa

  • IAH–LHR, 09/13/26 – 09/20/26: From $1,192
    13

    Su

  • IAH–LON, 09/14/26 – 09/21/26: From $1,192
    14

    Mo

  • IAH–LHR, 09/15/26 – 09/22/26: From $1,142
    15

    Tu

  • IAH–LHR, 09/16/26 – 09/23/26: From $1,142
    16

    We

  • IAH–LON, 09/17/26 – 09/24/26: From $1,192
    17

    Th

  • IAH–LHR, 09/18/26 – 09/25/26: From $1,192
    18

    Fr

  • IAH–LON, 09/19/26 – 09/26/26: From $1,242
    19

    Sa

  • IAH–LHR, 09/20/26 – 09/27/26: From $1,192
    20

    Su

  • IAH–LHR, 09/21/26 – 09/28/26: From $1,192
    21

    Mo

  • IAH–LON, 09/22/26 – 09/29/26: From $1,142
    22

    Tu

  • IAH–LON, 09/23/26 – 09/30/26: From $903
    23

    We

  • IAH–LON, 09/24/26 – 10/01/26: From $953
    24

    Th

  • IAH–LHR, 09/25/26 – 10/02/26: From $953
    25

    Fr

  • IAH–LHR, 09/26/26 – 10/03/26: From $1,003
    26

    Sa

    • range$903-$1,459

    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 London flights

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    Houston (IAH)to

    London (LON)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $903Fare subject to changes
    Updated: 1 hour ago

    Houston (IAH)to

    London (LON)
    09/29/26 - 10/06/26

    Round trip

    Economy

    from
    $903Fare subject to changes
    Updated: 1 hour ago

    Houston (IAH)to

    London (LON)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $903Fare subject to changes
    Updated: 1 hour ago

    Houston (IAH)to

    London (LON)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $903Fare subject to changes
    Updated: 1 hour ago

    Houston (IAH)to

    London (LON)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $903Fare subject to changes
    Updated: 1 hour ago

    Houston (IAH)to

    London (LON)
    11/18/26 - 11/25/26

    Round trip

    Economy

    from
    $903Fare subject to changes
    Updated: 1 hour ago

    Houston (IAH)to

    London (LON)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $903Fare subject to changes
    Updated: 1 hour ago

    Houston (IAH)to

    London (LON)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $903Fare subject to changes
    Updated: 1 hour 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 London

    Looking for lower fares on your trip from Houston to London? 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 London