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Flights from London to Philadelphia

Book direct flights from London to Philadelphia: One way flights from $568, round trip flights from $860. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        LHR 9:15 AM
        8h
        Nonstop
        PHL 12:15 PM
        London - Philadelphia | Thu, Sep 3 | American Airlines
        PHL 7:35 PM
        7h 15m
        Nonstop
        LHR 7:50 AM
        Philadelphia - London | Wed, Sep 9 | American Airlines
        $860 $967
        11% off
        11% off
        $967 $860
      • LHR 9:15 AM
        8h
        Nonstop
        PHL 12:15 PM
        London - Philadelphia | Wed, Sep 2 | American Airlines
        PHL 7:35 PM
        7h 15m
        Nonstop
        LHR 7:50 AM
        Philadelphia - London | Wed, Sep 9 | American Airlines
        $860 $967
        11% off
        11% off
        $967 $860
      • LGW 12:05 PM
        11h 50m
        1 stop
        PHL 6:55 PM
        London - Philadelphia | Sat, Aug 29 | Ryanair
        PHL 8:25 PM
        16h 25m
        1 stop
        LGW 5:50 PM
        Philadelphia - London | Wed, Sep 2 | Aer Lingus
        $652 $967
        33% off
        33% off
        $967 $652
      • LGW 11:05 AM
        12h 50m
        1 stop
        PHL 6:55 PM
        London - Philadelphia | Thu, Aug 27 | Ryanair
        PHL 8:25 PM
        16h 25m
        1 stop
        LGW 5:50 PM
        Philadelphia - London | Wed, Sep 2 | Aer Lingus
        $652
        33% off
        $967 $652
      • STN 8:30 AM
        15h 25m
        1 stop
        PHL 6:55 PM
        London - Philadelphia | Fri, Aug 28 | Ryanair
        PHL 8:25 PM
        21h 55m
        1 stop
        STN 11:20 PM
        Philadelphia - London | Wed, Sep 2 | Aer Lingus
        $652
        33% off
        $967 $652
      • LTN 9:25 AM
        11h 45m
        1 stop
        PHL 4:10 PM
        London - Philadelphia | Thu, Aug 20 | Ryanair
        PHL 6:30 PM
        23h 55m
        1 stop
        LTN 11:25 PM
        Philadelphia - London | Thu, Aug 27 | American Airlines
        $711
        26% off
        $967 $711
      • STN 6:30 AM
        14h 40m
        1 stop
        PHL 4:10 PM
        London - Philadelphia | Thu, Aug 6 | Ryanair
        PHL 6:30 PM
        21h 50m
        1 stop
        STN 9:20 PM
        Philadelphia - London | Mon, Aug 10 | American Airlines
        $712
        26% off
        $967 $712
      • LTN 6:15 AM
        14h 55m
        1 stop
        PHL 4:10 PM
        London - Philadelphia | Wed, Aug 19 | Ryanair
        PHL 6:30 PM
        13h 15m
        1 stop
        LTN 12:45 PM
        Philadelphia - London | Mon, Aug 24 | American Airlines
        $715
        26% off
        $967 $715
      • STN 6:30 AM
        17h 25m
        1 stop
        PHL 6:55 PM
        London - Philadelphia | Tue, Aug 4 | Ryanair
        PHL 8:25 PM
        20h 55m
        1 stop
        STN 10:20 PM
        Philadelphia - London | Sun, Aug 9 | Aer Lingus
        $733
        24% off
        $967 $733
      • LGW 8:50 AM
        12h 20m
        1 stop
        PHL 4:10 PM
        London - Philadelphia | Wed, Aug 5 | Ryanair
        PHL 6:30 PM
        20h 45m
        1 stop
        LGW 8:15 PM
        Philadelphia - London | Tue, Aug 11 | American Airlines
        $735
        24% off
        $967 $735
      • LGW 8:40 AM
        12h 30m
        1 stop
        PHL 4:10 PM
        London - Philadelphia | Mon, Aug 24 | Ryanair
        PHL 6:30 PM
        21h 25m
        1 stop
        LGW 8:55 PM
        Philadelphia - London | Mon, Aug 31 | American Airlines
        $744
        23% off
        $967 $744
      • LHR 7:40 AM
        13h 30m
        1 stop
        PHL 4:10 PM
        London - Philadelphia | Fri, Aug 28 | Aer Lingus
        PHL 6:30 PM
        10h 50m
        1 stop
        LHR 10:20 AM
        Philadelphia - London | Sun, Aug 30 | American Airlines
        $766
        21% off
        $967 $766
      • LON 1:00 PM
        17h 25m
        1 stop
        PHL 2:00 PM
        London - Philadelphia | Sun, Jul 19 | Normal Airline
        PHL 3:00 PM
        6h
        Nonstop
        LON 4:00 PM
        Philadelphia - London | Tue, Jul 21 | Normal Airline
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      • Cheapest nonstop
        LHR 1:00 PM
        8h
        Nonstop
        PHL 4:00 PM
        London - Philadelphia | Tue, Sep 15 | American Airlines
        $568 $641
        11% off
        11% off
        $641 $568
      • LHR 1:45 PM
        7h 55m
        Nonstop
        PHL 4:40 PM
        London - Philadelphia | Tue, Sep 15 | British Airways
        $570 $641
        11% off
        11% off
        $641 $570
      • STN 1:10 PM
        33h 45m
        1 stop
        PHL 5:55 PM
        London - Philadelphia | Mon, Aug 24 | Ryanair
        $433 $641
        32% off
        32% off
        $641 $433
      • STN 7:20 AM
        15h 35m
        1 stop
        PHL 5:55 PM
        London - Philadelphia | Thu, Sep 3 | Ryanair
        $435
        32% off
        $641 $435
      • LGW 8:45 PM
        26h 10m
        1 stop
        PHL 5:55 PM
        London - Philadelphia | Thu, Sep 3 | Norwegian Air Sweden
        $449
        30% off
        $641 $449
      • LGW 7:25 AM
        15h 30m
        1 stop
        PHL 5:55 PM
        London - Philadelphia | Thu, Sep 3 | easyJet
        $452
        28% off
        $641 $452
      • LGW 3:35 PM
        31h 20m
        1 stop
        PHL 5:55 PM
        London - Philadelphia | Mon, Aug 24 | Norwegian Air Sweden
        $464
        28% off
        $641 $464
      • LGW 8:45 PM
        26h 10m
        1 stop
        PHL 5:55 PM
        London - Philadelphia | Thu, Aug 27 | Norwegian Air Sweden
        $469
        27% off
        $641 $469
      • LTN 8:00 AM
        14h 45m
        1 stop
        PHL 5:45 PM
        London - Philadelphia | Tue, Sep 15 | Wizz Air UK
        $479
        25% off
        $641 $479
      • LGW 1:00 PM
        33h 55m
        1 stop
        PHL 5:55 PM
        London - Philadelphia | Wed, Aug 26 | easyJet
        $479
        25% off
        $641 $479
      • LGW 6:00 AM
        16h 45m
        1 stop
        PHL 5:45 PM
        London - Philadelphia | Tue, Sep 15 | easyJet
        $482
        25% off
        $641 $482
      • LGW 8:45 PM
        26h 10m
        1 stop
        PHL 5:55 PM
        London - Philadelphia | Wed, Aug 26 | Norwegian Air Sweden
        $488
        24% off
        $641 $488
      • LON 1:00 PM
        17h 25m
        1 stop
        PHL 2:00 PM
        London - Philadelphia | Sun, Jul 19 | Normal Airline
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Find cheap airlines flights from London to Philadelphia

You can choose from 4 airlines that fly from London to Philadelphia, including Jetblue Airways, British Airways, and Air Canada. American Airlines has lowest fares on this route.
Jetblue Airways logo Jetblue Airways
British Airways logo British Airways
Air Canada logo Air Canada
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from London to Philadelphia according to previous 12 months data from Trip.com.

Flight Info | London to Philadelphia

The distance between London and Philadelphia is approximately 5,709.59 km. It takes around 7 hours 59 minutes on average to fly from London to Philadelphia. Based on Trip.com's data travel demand peaks in July. The off-season for travel is December.

Cheapest one-way flight price$433
Cheapest round-trip ticket price$652
Off-season for travelDecember
Peak season for travelJuly
Flight distance5,709.59 km
Average flight time7 hours 59 minutes
Popular airlineJetblue Airways
Flight statistics for the London–Philadelphia route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from London to Philadelphia

What is the cheapest month for round-trip flights from London to Philadelphia?

Average price of round-trip flights from London to Philadelphia purchased by Trip.com users by month over the past 12 months

According to historical data from Trip.com, the lowest prices for flights from London to Philadelphia are found during March, with an average price of $773. Conversely, the highest prices are found during July, with an average price of up to $1,209.

$1,209
$991
$773
$555
    Cheapest
  • $1,064
    Feb
  • $773
    Mar
  • $818
    Apr
  • $818
    May
  • $909
    Jun
  • $1,209
    Jul
  • $953
    Aug
  • $985
    Sep
  • $1,062
    Oct
  • $946
    Nov
  • $1,134
    Dec
  • $949
    Jan

Frequently Asked Questions

  • What are the cheapest flights from London to Philadelphia (LON-PHL)?

    Based on Trip.com data, Ryanair offers one-way fares as low as $433 on Cheapest nonstop routes (e.g. STN to PHL on Mon, Aug 24), while Ryanair offers Cheapest nonstop round-trips from $652 departing on Sat, Aug 29 and returning on Wed, Sep 2.
  • At the moment, you can catch a nonstop flight from London to Philadelphia with the following airlines, including: British Airways American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 7 hours 59 minutes to fly from London (LON) to Philadelphia (PHL).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London to Philadelphia is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 40 flight per week flying from London to Philadelphia. You can check the weekly schedule for popular airlines on this route below: British Airways: S/M/T/W/T/F/S -- BA1538 (13:00) British Airways: S/M/T/W/T/F/S -- BA1588 (09:32)
  • To find best deals on flights from London to Philadelphia, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Aug 24, with one-way flights priced at just $433.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Philadelphia travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from London to Philadelphia is December, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from London to Philadelphia on July 24, 2026 with Ryanair, with prices starting at $755.
  • You can land at any one of the following hubs in Philadelphia, with Heathrow Airport to Philadelphia International Airport (LHR-PHL) is by far the most common option on this route: Philadelphia International Airport (PHL) Trenton Mercer Airport (TTN).
  • The time difference between Philadelphia and London is 5h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled 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 check the customer support pages.

Explore More Popular Flights

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

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, 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 were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled 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 check the customer support pages.