American Airlines flights from San Francisco to London

Recent searches for flights from San Francisco to London

Aug 2026
From$1,084*
Updated: 7 hours ago
Round tripIEconomy
Sep 2026
From$923*
Updated: 7 hours ago
Round tripIEconomy
Oct 2026
From$923*
Updated: 7 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $923
cmp-daily-histogram-bars-legend-max-price-aria-label $1.5K
Displaying fares for August-2026
  • SFO–LHR, 08/23/26 – 08/30/26: From $1,134
    23

    Su

    AUG

  • SFO–LHR, 08/24/26 – 08/31/26: From $1,134
    24

    Mo

  • SFO–LHR, 08/25/26 – 09/01/26: From $1,084
    25

    Tu

  • SFO–LON, 08/26/26 – 09/02/26: From $1,084
    26

    We

  • SFO–LHR, 08/27/26 – 09/03/26: From $1,134
    27

    Th

  • SFO–LON, 08/28/26 – 09/04/26: From $1,177
    28

    Fr

  • SFO–LHR, 08/29/26 – 09/05/26: From $1,237
    29

    Sa

  • SFO–LON, 08/30/26 – 09/06/26: From $1,177
    30

    Su

  • SFO–LCY, 08/31/26 – 09/07/26: From $1,453
    31

    Mo

  • SFO–LHR, 09/01/26 – 09/08/26: From $1,094
    01

    Tu

    SEP

  • SFO–LON, 09/02/26 – 09/09/26: From $1,215
    02

    We

  • SFO–LON, 09/03/26 – 09/10/26: From $1,412
    03

    Th

  • SFO–LON, 09/04/26 – 09/11/26: From $1,144
    04

    Fr

  • SFO–LON, 09/05/26 – 09/12/26: From $1,422
    05

    Sa

  • SFO–LHR, 09/06/26 – 09/13/26: From $1,428
    06

    Su

  • SFO–LON, 09/07/26 – 09/14/26: From $1,140
    07

    Mo

  • SFO–LHR, 09/08/26 – 09/15/26: From $1,094
    08

    Tu

  • SFO–LHR, 09/09/26 – 09/16/26: From $1,090
    09

    We

  • SFO–LON, 09/10/26 – 09/17/26: From $1,140
    10

    Th

  • SFO–LON, 09/11/26 – 09/18/26: From $1,144
    11

    Fr

  • SFO–LON, 09/12/26 – 09/19/26: From $1,190
    12

    Sa

  • SFO–LHR, 09/13/26 – 09/20/26: From $1,313
    13

    Su

  • SFO–LON, 09/14/26 – 09/21/26: From $1,140
    14

    Mo

  • SFO–LHR, 09/15/26 – 09/22/26: From $1,090
    15

    Tu

  • SFO–LON, 09/16/26 – 09/23/26: From $1,090
    16

    We

  • SFO–LON, 09/17/26 – 09/24/26: From $1,134
    17

    Th

  • SFO–LON, 09/18/26 – 09/25/26: From $1,144
    18

    Fr

  • SFO–LON, 09/19/26 – 09/26/26: From $1,194
    19

    Sa

  • SFO–LON, 09/20/26 – 09/27/26: From $983
    20

    Su

  • SFO–LON, 09/21/26 – 09/28/26: From $983
    21

    Mo

  • SFO–LON, 09/22/26 – 09/29/26: From $923
    22

    Tu

    • range$923-$1,453

    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 San Francisco to London flights

    $
    keyboard_arrow_down

    San Francisco (SFO)to

    London (LON)
    12/01/26 - 12/08/26

    Round trip

    Economy

    from
    $884Fare subject to changes
    Updated: 7 hours ago

    San Francisco (SFO)to

    London (LON)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $884Fare subject to changes
    Updated: 7 hours ago

    San Francisco (SFO)to

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

    Round trip

    Economy

    from
    $884Fare subject to changes
    Updated: 7 hours ago

    San Francisco (SFO)to

    London (LON)
    12/09/26 - 12/16/26

    Round trip

    Economy

    from
    $894Fare subject to changes
    Updated: 7 hours ago

    San Francisco (SFO)to

    London (LON)
    12/15/26 - 12/22/26

    Round trip

    Economy

    from
    $914Fare subject to changes
    Updated: 7 hours ago

    San Francisco (SFO)to

    London (LON)
    11/24/26 - 12/01/26

    Round trip

    Economy

    from
    $918Fare subject to changes
    Updated: 7 hours ago

    San Francisco (SFO)to

    London (LON)
    11/25/26 - 12/02/26

    Round trip

    Economy

    from
    $918Fare subject to changes
    Updated: 7 hours ago

    San Francisco (SFO)to

    London (LON)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $923Fare 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 San Francisco to London

    Looking for lower fares on your trip from San Francisco 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 San Francisco to London