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PHL - LHR

Find cheap flights from Philadelphia to London

1 adult
0 bags
Thu 6/6
Thu 13/6

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to London, as well as popular online travel agencies
In the last 7 days, travellers have searched 42,573,820 times on KAYAK, and here is why:

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Flights from Philadelphia to Heathrow - Travel Insights & Trends

Get data-powered insights and trends into flights from Philadelphia to Heathrow to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Philadelphia to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Philadelphia to London Heathrow Airport is November, where tickets cost C$ 945 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is C$ 1,802 and C$ 1,595 respectively.

How far in advance should I book a flight from Philadelphia to London Heathrow Airport?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Philadelphia to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Philadelphia to London Heathrow Airport, you should book around 5 days before departure. For the absolute cheapest price, our data suggests you should book 10 days before departure.

How many flights are there between Philadelphia and London Heathrow Airport per day?

Each day, there are between 6 and 7 nonstop flights that take off from Philadelphia and land in London Heathrow Airport, with an average flight time of 7h 13m. The most common departure time is 6:00 p.m. and most flights take off in the evening. Each week, there are 43 flights. The most frequent day of departure is Tuesday, when 16% of all weekly flights depart. The fewest flights depart on a Sunday.

Which cabin class options are there for flights between Philadelphia and London Heathrow Airport?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

What’s the earliest departure time from Philadelphia to London?

Early birds can take the earliest flight from Philadelphia at 6:30 pm and will be landing in London Heathrow Airport at 6:40 am.

What’s the latest departure time from Philadelphia to London?

If you prefer to fly at night, the latest flight from Philadelphia to London Heathrow Airport jets off at 10:45 pm and lands at 10:50 am.

Good to know

Low season

February

High season

June
Best time to beat the crowds (19% less expensive on average)
Most popular time to fly (44% more expensive on average)

When to book flights from Philadelphia to Heathrow

Are your dates flexible? Find out the best times to travel from Philadelphia to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Philadelphia to London flights

  • Can I fly nonstop from PHL to Heathrow?

    Several major airlines offer nonstop flights from Philadelphia International Airport (PHL) to London’s Heathrow Airport (LHR), including American Airlines and British Airways. Still, you can opt for a limited number of one-stop flights that offer cheaper tickets, but this will generally increase your travel time by at least 3h.

  • Can I get to Philadelphia International Airport using public transportation?

    If you’re coming from the northeast corridor of Philadelphia, AMTRAK trains will drop you at 30th Street Station. From here, hop onto the SEPTA City Trains, which will drop you at the airport. Suppose you’re commuting from Wilmington/Newark, Media/Elwyn, and most Glenside Combined, Warminster, and West Trenton. In that case, there are Regional Rail Lines behind CHOP’s Philadelphia Campus that will transfer you free to PHL.

  • Is there parking at Philadelphia International Airport (PHL)?

    Yes, there’s on-site parking at Philadelphia International Airport located at garages A, B, C, D, E, F, and Economy, which you have to call to confirm its availability. The on-site Economy lot offers 24h shuttle service and complimentary services like tire changes and jump-starts. The regular patrol by the Airport Police Unit of the Philadelphia Police Department guarantees the safety of your vehicle.

  • How far is Heathrow Airport (LHR) from London’s city center?

    LHR lies about 15.5 miles west of Paddington Station in downtown London. Using the Heathrow Express train, you can easily access the Paddington Station in about 15 minutes. These coaches leave the airport about every 30min. However, if you prefer a taxi for convenience and privacy, you’ll get to the London city center in about 30min. Additionally, some buses go between the two points, covering the journey in approximately 50 min.

  • Which airlines offer Wi-Fi service onboard planes from Philadelphia to London?

    American Airlines, British Airways, Finnair, Iberia, and Aer Lingus offer inflight Wi-Fi service on the Philadelphia to London flight route.

  • Which aircraft models fly most regularly from Philadelphia to London?

    The Boeing 787-9 Dreamliner is the aircraft model that flies most regularly on the Philadelphia to London flight route.

  • Which airline alliances offer flights from Philadelphia to London?

    oneworld is the only airline alliance operating flights between Philadelphia and London.

  • On which days can I fly direct from Philadelphia to London?

    There are direct flights from Philadelphia to London on a daily basis.

  • How does KAYAK find such low prices on flights from Philadelphia to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Philadelphia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Philadelphia with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from Philadelphia to London

  • There are several lounges available in the departure and arrival airports for you to enjoy. There are multiple Admirals Club lounges in Philadelphia International Airport (PHL) and various London-Heathrow (LHR) lounges with amenities such as restrooms, meals, and Wi-Fi.
  • If you’ve scheduled an early morning flight from Philadelphia International Airport (PHL), consider passing the night at the Philadelphia Airport Marriott. You’ll wake relaxed and save yourself the early morning hassle of catching your plane.
  • For nursing mothers, they’ll find a nursing suite at their disposal in Terminal 3 in the Family Lounge when they arrive at the London Heathrow Airport (LHR).
  • Stop at PHL’s currency exchange counter in Terminal D, Gate D8, to exchange some of your dollars for pounds before visiting London. You’ll also find exchange counters at LHR in Terminals 2, 3, 4, and 5. You can convert your currency before and after security.
  • At LHR, Heathrow Central Station lies between Terminals 2 and 3 and is linked to both terminals by a pedestrian walkway. For a different option, head to Terminal 5, and you’ll find a railway station below it. There's a tube station adjacent to each railway station, although there’s no direct connection between the tube and the railway stations.
  • An Oyster card at Heathrow (LHR) comes in handy if you intend to use London’s trams, buses, railways, and subways. As an all-in-one electronic smartcard, it provides the most convenient way to pay for fares when transiting in London.
See more tips

Prefer to fly non-stop from Philadelphia to London?

Find which airlines fly direct from Philadelphia to Heathrow, which days they fly and book direct flights.

Nonstop departures

Philadelphia to London Heathrow

Monday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Tuesday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Wednesday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Thursday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Friday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Saturday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Sunday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

See more nonstop flights

Nonstop returns

London Heathrow to Philadelphia

Monday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Tuesday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Wednesday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Thursday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Friday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Saturday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Sunday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

See more nonstop flights
See more nonstop flights

Philadelphia - London Flights

Departure:

Philadelphia (PHL)United States

Destination:

London (LHR)United Kingdom

Cabin classes:

C$ 8,543
C$ 1,050

Browse origins:

  • Flights » 
  • Philadelphia

Browse destinations:

  • Flights » 
  • Worldwide » 
  • London Heathrow Airport