American Airlines flights from Houston to London

Recent searches for flights from Houston to London

Sep 2026
From$750*
Updated: 8 hours ago
Round tripIEconomy
Oct 2026
From$750*
Updated: 8 hours ago
Round tripIEconomy
Nov 2026
From$750*
Updated: 7 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $750
cmp-daily-histogram-bars-legend-max-price-aria-label $1.2K
Displaying fares for September-2026
  • IAH–LON, 09/10/26 – 09/17/26: From $1,190
    10

    Th

    SEP

  • IAH–LHR, 09/11/26 – 09/18/26: From $1,190
    11

    Fr

  • IAH–LON, 09/12/26 – 09/19/26: From $1,240
    12

    Sa

  • IAH–LHR, 09/13/26 – 09/20/26: From $1,190
    13

    Su

  • IAH–LON, 09/14/26 – 09/21/26: From $1,190
    14

    Mo

  • IAH–LHR, 09/15/26 – 09/22/26: From $1,140
    15

    Tu

  • IAH–LHR, 09/16/26 – 09/23/26: From $750
    16

    We

  • IAH–LON, 09/17/26 – 09/24/26: From $800
    17

    Th

  • IAH–LHR, 09/18/26 – 09/25/26: From $800
    18

    Fr

  • IAH–LHR, 09/19/26 – 09/26/26: From $850
    19

    Sa

  • IAH–LON, 09/20/26 – 09/27/26: From $800
    20

    Su

  • IAH–LHR, 09/21/26 – 09/28/26: From $800
    21

    Mo

  • IAH–LHR, 09/22/26 – 09/29/26: From $750
    22

    Tu

  • IAH–LHR, 09/23/26 – 09/30/26: From $750
    23

    We

  • IAH–LON, 09/24/26 – 10/01/26: From $800
    24

    Th

  • IAH–LHR, 09/25/26 – 10/02/26: From $800
    25

    Fr

  • IAH–LHR, 09/26/26 – 10/03/26: From $850
    26

    Sa

  • IAH–LHR, 09/27/26 – 10/04/26: From $800
    27

    Su

  • IAH–LHR, 09/28/26 – 10/05/26: From $800
    28

    Mo

  • IAH–LON, 09/29/26 – 10/06/26: From $750
    29

    Tu

  • IAH–LON, 09/30/26 – 10/07/26: From $750
    30

    We

  • IAH–LHR, 10/01/26 – 10/08/26: From $800
    01

    Th

    OCT

  • IAH–LHR, 10/02/26 – 10/09/26: From $800
    02

    Fr

  • IAH–LHR, 10/03/26 – 10/10/26: From $850
    03

    Sa

  • IAH–LON, 10/04/26 – 10/11/26: From $800
    04

    Su

  • IAH–LHR, 10/05/26 – 10/12/26: From $800
    05

    Mo

  • IAH–LON, 10/06/26 – 10/13/26: From $750
    06

    Tu

  • IAH–LON, 10/07/26 – 10/14/26: From $750
    07

    We

  • IAH–LON, 10/08/26 – 10/15/26: From $800
    08

    Th

  • IAH–LHR, 10/09/26 – 10/16/26: From $805
    09

    Fr

    • range$750-$1,240

    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)
    09/16/26 - 09/23/26

    Round trip

    Economy

    from
    $750Fare subject to changes
    Updated: 7 hours ago

    Houston (IAH)to

    London (LON)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $750Fare subject to changes
    Updated: 7 hours ago

    Houston (IAH)to

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

    Round trip

    Economy

    from
    $750Fare subject to changes
    Updated: 7 hours ago

    Houston (IAH)to

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

    Round trip

    Economy

    from
    $750Fare subject to changes
    Updated: 7 hours ago

    Houston (IAH)to

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

    Round trip

    Economy

    from
    $750Fare subject to changes
    Updated: 7 hours ago

    Houston (IAH)to

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

    Round trip

    Economy

    from
    $750Fare subject to changes
    Updated: 7 hours ago

    Houston (IAH)to

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

    Round trip

    Economy

    from
    $750Fare subject to changes
    Updated: 7 hours ago

    Houston (IAH)to

    London (LON)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $750Fare subject to changes
    Updated: 7 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 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

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    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
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    Discover how Main Cabin Extra can enhance your trip.

    American Airlines flights from Houston to London