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Heathrow Airport to Philadelphia International Airport flight
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Heathrow Airport to Philadelphia International Airport Flights Info

Cheapest one-way
£422
American Airlines American Airlines 21h 52m · 1 stop Thu, Dec 10
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Cheapest return
£536
Aer Lingus Aer Lingus 13h 20m · 2 stops Fri, Dec 4 - Fri, Dec 11
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Best time to book
August
Cheapest
Recommended airlines
American Airlines American AirlinesCheapest· From £422 American Airlines American AirlinesMost booked

Explore the cheapest one-way and round-trip flights from Heathrow Airport to Philadelphia International Airport over the next 90 days, with one-way fares from £422 and round-trip from £536. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      LHR 10:35
      8h 5m
      Direct
      PHL 13:40
      London - Philadelphia | Tue, Nov 17 | American Airlines
      PHL 19:40
      7h 10m
      Direct
      LHR 07:50
      Philadelphia - London | Tue, Nov 24 | American Airlines
      £617 £714
      14% off
      14% off
      £714 £617
    • LHR 10:35
      8h 15m
      Direct
      PHL 13:50
      London - Philadelphia | Mon, Nov 23 | American Airlines
      PHL 19:50
      7h
      Direct
      LHR 07:50
      Philadelphia - London | Thu, Nov 26 | American Airlines
      £621 £714
      13% off
      13% off
      £714 £621
    • LHR 07:50
      13h 20m
      1 stop
      PHL 16:10
      London - Philadelphia | Fri, Dec 4 | Aer Lingus
      PHL 17:40
      11h 30m
      1 stop
      LHR 10:10
      Philadelphia - London | Fri, Dec 11 | Aer Lingus
      £536 £714
      25% off
      25% off
      £714 £536
    • LHR 16:20
      31h 42m
      1 stop
      PHL 19:02
      London - Philadelphia | Sun, Dec 13 | United Airlines
      PHL 09:15
      18h 15m
      1 stop
      LHR 08:30
      Philadelphia - London | Tue, Dec 15 | United Airlines
      £539
      25% off
      £714 £539
    • LHR 07:50
      11h 15m
      1 stop
      PHL 14:05
      London - Philadelphia | Sat, Dec 5 | Aer Lingus
      PHL 21:15
      17h 35m
      1 stop
      LHR 19:50
      Philadelphia - London | Tue, Dec 8 | American Airlines
      £552
      23% off
      £714 £552
    • LHR 11:35
      17h 4m
      1 stop
      PHL 23:39
      London - Philadelphia | Tue, Nov 17 | Brussels Airlines
      PHL 17:05
      32h 25m
      1 stop
      LHR 06:30
      Philadelphia - London | Tue, Nov 24 | Air Canada
      £560
      22% off
      £714 £560
    • LHR 16:20
      31h 42m
      1 stop
      PHL 19:02
      London - Philadelphia | Sun, Dec 6 | United Airlines
      PHL 09:15
      21h 5m
      1 stop
      LHR 11:20
      Philadelphia - London | Tue, Dec 8 | United Airlines
      £566
      21% off
      £714 £566
    • LHR 08:50
      12h 10m
      1 stop
      PHL 16:00
      London - Philadelphia | Mon, Nov 23 | British Airways
      PHL 13:44
      11h 6m
      1 stop
      LHR 05:50
      Philadelphia - London | Thu, Nov 26 | American Airlines
      £567
      21% off
      £714 £567
    • LHR 13:00
      30h 44m
      1 stop
      PHL 14:44
      London - Philadelphia | Sat, Nov 28 | Lufthansa
      PHL 17:05
      13h 15m
      1 stop
      LHR 11:20
      Philadelphia - London | Sat, Dec 5 | Air Canada
      £568
      20% off
      £714 £568
    • LON 13:00
      17h 25m
      1 stop
      PHL 14:00
      London - Philadelphia | Mon, Nov 16 | Normal Airline
      PHL 15:00
      6h
      Direct
      LON 16:00
      Philadelphia - London | Wed, Nov 18 | Normal Airline
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    • Cheapest
      LHR 16:45
      21h 52m
      1 stop
      PHL 09:37
      London - Philadelphia | Thu, Dec 10 | American Airlines
      £422 £523
      19% off
      19% off
      £523 £422
    • LHR 06:30
      12h 35m
      1 stop
      PHL 14:05
      London - Philadelphia | Thu, Dec 10 | British Airways
      £425 £523
      19% off
      19% off
      £523 £425
    • LHR 07:50
      11h 10m
      1 stop
      PHL 14:00
      London - Philadelphia | Sun, Nov 22 | Aer Lingus
      £433 £523
      17% off
      17% off
      £523 £433
    • LHR 18:25
      24h 40m
      1 stop
      PHL 14:05
      London - Philadelphia | Wed, Dec 9 | American Airlines
      £434
      17% off
      £523 £434
    • LHR 06:30
      12h 35m
      1 stop
      PHL 14:05
      London - Philadelphia | Thu, Dec 10 | Finnair
      £435
      17% off
      £523 £435
    • LHR 13:00
      30h 44m
      1 stop
      PHL 14:44
      London - Philadelphia | Thu, Dec 10 | Air Canada
      £435
      17% off
      £523 £435
    • LHR 06:30
      12h 35m
      1 stop
      PHL 14:05
      London - Philadelphia | Wed, Dec 9 | British Airways
      £435
      17% off
      £523 £435
    • LHR 09:50
      11h 20m
      1 stop
      PHL 16:10
      London - Philadelphia | Thu, Dec 17 | Aer Lingus
      £438
      16% off
      £523 £438
    • LHR 06:30
      12h 30m
      1 stop
      PHL 14:00
      London - Philadelphia | Wed, Jan 13 | British Airways
      £438
      16% off
      £523 £438
    • LON 13:00
      17h 25m
      1 stop
      PHL 14:00
      London - Philadelphia | Mon, Nov 16 | Normal Airline
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    • Cheapest nonstop
      LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Wed, Dec 9 | American Airlines
      £448 £523
      14% off
      14% off
      £523 £448
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Tue, Dec 1 | American Airlines
      £448 £1,505
      70% off
      70% off
      £1,505 £448
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Tue, Dec 8 | American Airlines
      £449 £1,505
      70% off
      70% off
      £1,505 £449
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Wed, Dec 9 | Iberia
      £455
      13% off
      £523 £455
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Mon, Dec 14 | British Airways
      £455
      70% off
      £1,505 £455
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Tue, Dec 8 | British Airways
      £459
      83% off
      £2,664 £459
    • LHR 10:35
      8h 5m
      Direct
      PHL 13:40
      London - Philadelphia | Mon, Feb 1 | American Airlines
      £472
      69% off
      £1,505 £472
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Mon, Jan 11 | American Airlines
      £480
      68% off
      £1,505 £480
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Sat, Dec 5 | American Airlines
      £490
      82% off
      £2,664 £490
    • LON 13:00
      17h 25m
      1 stop
      PHL 14:00
      London - Philadelphia | Mon, Nov 16 | Normal Airline
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    • Cheapest nonstop
      LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Tue, Dec 1 | American Airlines
      £448 £1,505
      70% off
      70% off
      £1,505 £448
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Tue, Dec 8 | American Airlines
      £449 £1,505
      70% off
      70% off
      £1,505 £449
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Mon, Dec 14 | British Airways
      £455 £1,505
      70% off
      70% off
      £1,505 £455
    • LHR 10:35
      8h 5m
      Direct
      PHL 13:40
      London - Philadelphia | Mon, Feb 1 | American Airlines
      £472
      69% off
      £1,505 £472
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Mon, Jan 11 | American Airlines
      £480
      68% off
      £1,505 £480
    • LHR 10:35
      8h 15m
      Direct
      PHL 13:50
      London - Philadelphia | Fri, Dec 11 | American Airlines
      £492
      67% off
      £1,505 £492
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Thu, Dec 10 | American Airlines
      £494
      67% off
      £1,505 £494
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Mon, Nov 30 | British Airways
      £500
      67% off
      £1,505 £500
    • LHR 10:35
      8h 10m
      Direct
      PHL 13:45
      London - Philadelphia | Thu, Dec 24 | American Airlines
      £514
      66% off
      £1,505 £514
    • LON 13:00
      17h 25m
      1 stop
      PHL 14:00
      London - Philadelphia | Mon, Nov 16 | Normal Airline
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    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Wed, Dec 9 | American Airlines
      £448 £523
      14% off
      14% off
      £523 £448
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Tue, Dec 1 | American Airlines
      £448 £1,505
      70% off
      70% off
      £1,505 £448
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Tue, Dec 8 | American Airlines
      £449 £1,505
      70% off
      70% off
      £1,505 £449
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Wed, Dec 9 | Iberia
      £455
      13% off
      £523 £455
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Mon, Dec 14 | British Airways
      £455
      70% off
      £1,505 £455
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Tue, Dec 8 | British Airways
      £459
      83% off
      £2,664 £459
    • LHR 10:35
      8h 5m
      Direct
      PHL 13:40
      London - Philadelphia | Mon, Feb 1 | American Airlines
      £472
      69% off
      £1,505 £472
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Mon, Jan 11 | American Airlines
      £480
      68% off
      £1,505 £480
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Sat, Dec 5 | American Airlines
      £490
      82% off
      £2,664 £490
    • LON 13:00
      17h 25m
      1 stop
      PHL 14:00
      London - Philadelphia | Mon, Nov 16 | Normal Airline
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    • Cheapest nonstop
      LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Sun, Nov 15 | American Airlines
      £1,287 £1,505
      14% off
      14% off
      £1,505 £1,287
    • LHR 09:50
      11h 20m
      1 stop
      PHL 16:10
      London - Philadelphia | Mon, Nov 16 | Aer Lingus
      £564 £1,505
      63% off
      63% off
      £1,505 £564
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Mon, Nov 16 | American Airlines
      £961 £1,505
      36% off
      36% off
      £1,505 £961
    • LHR 06:30
      12h 30m
      1 stop
      PHL 14:00
      London - Philadelphia | Tue, Nov 17 | British Airways
      £425
      72% off
      £1,505 £425
    • LHR 08:50
      12h 20m
      1 stop
      PHL 16:10
      London - Philadelphia | Tue, Nov 17 | Aer Lingus
      £565
      62% off
      £1,505 £565
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Tue, Nov 17 | American Airlines
      £1,291
      14% off
      £1,505 £1,291
    • LHR 15:00
      12h 36m
      1 stop
      PHL 22:36
      London - Philadelphia | Tue, Nov 17 | Air Canada
      £659
      56% off
      £1,505 £659
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Wed, Nov 18 | American Airlines
      £1,287
      14% off
      £1,505 £1,287
    • LHR 13:10
      8h 5m
      Direct
      PHL 16:15
      London - Philadelphia | Wed, Nov 18 | British Airways
      £1,309
      13% off
      £1,505 £1,309
    • LON 13:00
      17h 25m
      1 stop
      PHL 14:00
      London - Philadelphia | Mon, Nov 16 | Normal Airline
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Displayed flight fares from London to Philadelphia are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Heathrow Airport to Philadelphia International Airport?

The cheapest airline flying from Heathrow Airport to Philadelphia International Airport is American Airlines (from £422) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.
easyJet logo easyJet Wizz Air UK logo Wizz Air UK British Airways logo British Airways Jet2.com logo Jet2.com Virgin Atlantic logo Virgin Atlantic
American Airlines logo American Airlines British Airways logo British Airways Aer Lingus logo Aer Lingus Ryanair logo Ryanair Air Canada logo Air Canada Lufthansa logo Lufthansa

Trip.com Price Insights: Flights from Heathrow Airport to Philadelphia International Airport

What is the cheapest month to fly from Heathrow Airport to Philadelphia International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Heathrow Airport to Philadelphia International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Heathrow Airport to Philadelphia International Airport are usually in August, with an average price of £543. It is best to avoid June, when the average price can reach £1,314.

£1,314
£929
£543
£158
    Cheapest
  • £655
    Nov
  • £927
    Dec
  • £576
    Jan
  • £779
    Feb
  • £1,074
    Mar
  • £657
    Apr
  • £825
    May
  • £1,314
    Jun
  • £896
    Jul
  • £543
    Aug
  • £1,306
    Sep
  • £1,066
    Oct

What is the cheapest day of the week to fly from Heathrow Airport to Philadelphia International Airport?

The data is based on the past 12 months and shows the average ticket prices from Heathrow Airport to Philadelphia International Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from Heathrow Airport to Philadelphia International Airport is Tuesday, with average prices usually lower than other days. Avoid departing on Saturday as prices are typically highest on that day.

£1,223
£974
£725
£476
  • £776
    Mon
  • £725
    Tue
  • £1,131
    Wed
  • £1,095
    Thu
  • £874
    Fri
  • £1,223
    Sat
  • £771
    Sun

What is the flight schedule from Heathrow Airport to Philadelphia International Airport?

Check the schedule for flights from London to Philadelphia and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. EI151

    Heathrow Airport

    07:40

    LHR

    1h 20m

    Direct

    09:00

    DUB

    S M T W T F S
    Search

  2. AA723

    Dublin Airport

    11:30

    DUB

    7h 35m

    Direct

    14:05

    PHL

    S M T W T F S

  3. EI155

    Heathrow Airport

    10:05

    LHR

    1h 20m

    Direct

    11:25

    DUB

    S M T W T F S
    Search

  4. EI115

    Dublin Airport

    16:10

    DUB

    7h 45m

    Direct

    18:55

    PHL

    S M T W T F S

  5. BA824

    Heathrow Airport

    06:30

    LHR

    1h 20m

    Direct

    07:50

    DUB

    S M T W T F S
    Search

  6. BA1580

    Dublin Airport

    13:45

    DUB

    7h 25m

    Direct

    16:10

    PHL

    S M T W T F S

  7. BA824

    Heathrow Airport

    06:30

    LHR

    1h 20m

    Direct

    07:50

    DUB

    S M T W T F S
    Search

  8. AY3803

    Dublin Airport

    11:30

    DUB

    7h 35m

    Direct

    14:05

    PHL

    S M T W T F S

  9. AC6330

    Heathrow Airport

    06:50

    LHR

    1h

    Direct

    08:50

    BRU

    S M T W T F S
    Search

  10. AC833

    Brussels Airport

    10:00

    BRU

    7h 40m

    Direct

    11:40

    YUL

    S M T W T F S

  11. AC8859

    Montréal-Pierre Elliott Trudeau International Airport

    13:20

    YUL

    1h 39m

    Direct

    14:59

    PHL

    S - T W T F S

  12. LH907

    Heathrow Airport

    13:30

    LHR

    1h 35m

    Direct

    16:05

    FRA

    S M T W T F S
    Search

  13. AC843

    Frankfurt Airport

    17:10

    FRA

    8h 35m

    Direct

    19:45

    YYZ

    S M T W T F S

  14. AC8520

    Toronto Pearson International Airport

    21:20

    YYZ

    1h 36m

    Direct

    22:56

    PHL

    S M T W T F S

  15. LH4233

    Heathrow Airport

    06:30

    LHR

    1h 35m

    Direct

    09:05

    FRA

    S M T W T F S
    Search

  16. UA9658

    Frankfurt Airport

    13:00

    FRA

    9h 5m

    Direct

    16:05

    PHL

    - M - W - - -

  17. AC6818

    Heathrow Airport

    09:00

    LHR

    1h 55m

    Direct

    11:55

    ZRH

    S M T W T F S
    Search

  18. AC881

    Zurich International Airport

    13:20

    ZRH

    8h 45m

    Direct

    16:05

    YYZ

    S M T W T F S

  19. AC8520

    Toronto Pearson International Airport

    21:20

    YYZ

    1h 36m

    Direct

    22:56

    PHL

    S M T W T F S

  20. TP1351

    Heathrow Airport

    08:15

    LHR

    2h 50m

    Direct

    11:05

    LIS

    S M T W T F S
    Search

  21. TP267

    Humberto Delgado Airport

    14:20

    LIS

    9h 50m

    Direct

    19:10

    MCO

    S - - W - F -

  22. F93856

    Orlando International Airport

    11:18

    MCO

    2h 35m

    Direct

    13:53

    PHL

    S M T W T F S

  23. AA6920

    Heathrow Airport

    16:45

    LHR

    7h 30m

    Direct

    19:15

    YUL

    S M T W T F S
    Search

  24. AA5885

    Montréal-Pierre Elliott Trudeau International Airport

    07:30

    YUL

    2h 7m

    Direct

    09:37

    PHL

    S M T W T F S
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FAQs for Heathrow Airport to Philadelphia International Airport Flights

  • How long is the flight from Heathrow Airport to Philadelphia International Airport?

    Heathrow Airport to Philadelphia International Airport takes about 7 hours 20 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 7 daily flights from Heathrow Airport (LHR) to Philadelphia International Airport (PHL).
  • The earliest flight from Heathrow Airport to Philadelphia International Airport departs at 10:35, and the last departs at 13:10, with about 2 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Heathrow Airport (LHR) to Philadelphia International Airport (PHL) is quite popular. Without considering departure times or holidays, tickets cost around £1,292 in November, the most expensive month to book this route.
  • British Airways is a very popular airline operating an average of 3158 flights per month.
  • One-way flights from Heathrow Airport to Philadelphia International Airport currently start from £422, and round-trip fares start from £536. The current lowest fare is a American Airlines flight departing on Thu, Dec 10; prices may vary depending on availability.
  • Yes. American Airlines and British Airways operate direct flights from Heathrow Airport to Philadelphia International Airport, with an average flight time of 7 hours 8 minutes, and around 14 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Heathrow Airport to Philadelphia International Airport is £851. Prices may vary depending on the departure date, airline, and availability.
  • Heathrow Airport to Philadelphia International Airport operates around 14 weekly flights, mainly by American Airlines and British Airways. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Heathrow Airport and Philadelphia International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.