American Airlines flights from London to Philadelphia

Recent searches for flights from London to Philadelphia

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Aug 2026
No results available
Sep 2026
From£610*
Updated: 8 hours ago
Round tripIEconomy
Oct 2026
From£610*
Updated: 8 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label £610
cmp-daily-histogram-bars-legend-max-price-aria-label £1.2K
Displaying fares for August-2026
  • LON–PHL: cmp-view-offers-disclaimer. Find Offers
    31

    Mo

    AUG

  • LHR–PHL, 01/09/2026 – 08/09/2026: From £1,107
    01

    Tu

  • LHR–PHL, 02/09/2026 – 09/09/2026: From £1,107
    02

    We

  • LHR–PHL, 03/09/2026 – 10/09/2026: From £1,171
    03

    Th

  • LHR–PHL, 04/09/2026 – 11/09/2026: From £1,201
    04

    Fr

  • LHR–PHL, 05/09/2026 – 12/09/2026: From £1,201
    05

    Sa

  • LHR–PHL, 06/09/2026 – 13/09/2026: From £1,201
    06

    Su

  • LHR–PHL, 07/09/2026 – 14/09/2026: From £892
    07

    Mo

  • LHR–PHL, 08/09/2026 – 15/09/2026: From £628
    08

    Tu

  • LON–PHL, 09/09/2026 – 16/09/2026: From £621
    09

    We

  • LHR–PHL, 10/09/2026 – 17/09/2026: From £647
    10

    Th

  • LHR–PHL, 11/09/2026 – 18/09/2026: From £677
    11

    Fr

  • LHR–PHL, 12/09/2026 – 19/09/2026: From £952
    12

    Sa

  • LHR–PHL, 13/09/2026 – 20/09/2026: From £691
    13

    Su

  • LHR–PHL, 14/09/2026 – 21/09/2026: From £633
    14

    Mo

  • LHR–PHL, 15/09/2026 – 22/09/2026: From £621
    15

    Tu

  • LHR–PHL, 16/09/2026 – 23/09/2026: From £621
    16

    We

  • LHR–PHL, 17/09/2026 – 24/09/2026: From £647
    17

    Th

  • LHR–PHL, 18/09/2026 – 25/09/2026: From £688
    18

    Fr

  • LHR–PHL, 19/09/2026 – 26/09/2026: From £687
    19

    Sa

  • LHR–PHL, 20/09/2026 – 27/09/2026: From £691
    20

    Su

  • LHR–PHL, 21/09/2026 – 28/09/2026: From £633
    21

    Mo

  • LHR–PHL, 22/09/2026 – 29/09/2026: From £621
    22

    Tu

  • LHR–PHL, 23/09/2026 – 30/09/2026: From £627
    23

    We

  • LHR–PHL, 24/09/2026 – 01/10/2026: From £640
    24

    Th

  • LHR–PHL, 25/09/2026 – 02/10/2026: From £693
    25

    Fr

  • LHR–PHL, 26/09/2026 – 03/10/2026: From £742
    26

    Sa

  • LHR–PHL, 27/09/2026 – 04/10/2026: From £687
    27

    Su

  • LHR–PHL, 28/09/2026 – 05/10/2026: From £633
    28

    Mo

  • LHR–PHL, 29/09/2026 – 06/10/2026: From £610
    29

    Tu

  • LHR–PHL, 30/09/2026 – 07/10/2026: From £621
    30

    We

    • range£610-£1,201

    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.

    More Destinations Together

    Our partnership with British Airways gives you access to the U.S. and beyond.  When you fly with American or British Airways, you can earn and redeem AAdvantage® Miles, plus, enjoy the benefits of your AAdvantage® status on both airlines.

    Find deals on London to Philadelphia flights

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    Find deals on London to Philadelphia flights
    From
    To
    Fare type
    Travel dates
    Price
    London (LHR)Philadelphia (PHL)Round trip
    I
    Economy    		28/04/2027 - 01/05/2027

    from

    £605Fare subject to changes

    Updated: 2 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.

    American Airlines flights from London to Philadelphia

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