American Airlines flights from Houston to London

Recent searches for flights from Houston to London

Aug 2026
From$1,110*
Updated: 14 hours ago
Round tripIEconomy
Sep 2026
From$949*
Updated: 34 minutes ago
Round tripIEconomy
Oct 2026
From$899*
Updated: 22 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.1K
cmp-daily-histogram-bars-legend-max-price-aria-label $3.7K
Displaying fares for August-2026
  • IAH–LON: cmp-view-offers-disclaimer. Find Offers
    03

    Mo

    AUG

  • IAH–LCY, 08/04/26 – 08/11/26: From $1,626
    04

    Tu

  • IAH–LCY, 08/05/26 – 08/12/26: From $1,479
    05

    We

  • IAH–LCY, 08/06/26 – 08/13/26: From $1,487
    06

    Th

  • IAH–LCY, 08/07/26 – 08/14/26: From $1,653
    07

    Fr

  • IAH–LCY, 08/08/26 – 08/15/26: From $2,314
    08

    Sa

  • IAH–LCY, 08/09/26 – 08/16/26: From $1,954
    09

    Su

  • IAH–LCY, 08/10/26 – 08/17/26: From $1,564
    10

    Mo

  • IAH–LCY, 08/11/26 – 08/18/26: From $1,461
    11

    Tu

  • IAH–LCY, 08/12/26 – 08/19/26: From $1,467
    12

    We

  • IAH–LCY, 08/13/26 – 08/20/26: From $2,093
    13

    Th

  • IAH–LCY, 08/14/26 – 08/21/26: From $1,499
    14

    Fr

  • IAH–LCY, 08/15/26 – 08/22/26: From $2,345
    15

    Sa

  • IAH–LCY, 08/16/26 – 08/23/26: From $1,530
    16

    Su

  • IAH–LCY, 08/17/26 – 08/24/26: From $1,517
    17

    Mo

  • IAH–LCY, 08/18/26 – 08/25/26: From $1,800
    18

    Tu

  • IAH–LCY, 08/19/26 – 08/26/26: From $1,467
    19

    We

  • IAH–LCY, 08/20/26 – 08/27/26: From $1,628
    20

    Th

  • IAH–LCY, 08/21/26 – 08/28/26: From $2,565
    21

    Fr

  • IAH–LCY, 08/22/26 – 08/29/26: From $2,078
    22

    Sa

  • IAH–LCY, 08/23/26 – 08/30/26: From $1,473
    23

    Su

  • IAH–LCY, 08/24/26 – 08/31/26: From $1,522
    24

    Mo

  • IAH–LCY, 08/25/26 – 09/01/26: From $1,467
    25

    Tu

  • IAH–LCY, 08/26/26 – 09/02/26: From $1,802
    26

    We

  • IAH–LHR, 08/27/26 – 09/05/26: From $1,238
    27

    Th

  • IAH–LCY, 08/28/26 – 09/04/26: From $3,663
    28

    Fr

  • IAH–LCY, 08/29/26 – 09/05/26: From $2,501
    29

    Sa

  • IAH–LCY, 08/30/26 – 09/06/26: From $1,567
    30

    Su

  • IAH–LHR, 08/31/26 – 09/07/26: From $1,110
    31

    Mo

  • IAH–LCY, 09/01/26 – 09/08/26: From $1,547
    01

    Tu

    SEP

  • IAH–LCY, 09/02/26 – 09/09/26: From $1,351
    02

    We

    • range$1,110-$3,663

    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

    $
    keyboard_arrow_down

    Houston (IAH)to

    London (LON)
    04/12/27 - 04/19/27

    Round trip

    Economy

    from
    $1,010Fare subject to changes
    Updated: 28 minutes 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