$766 Cheap British Airways flights London (LHR) to Philadelphia (PHL)

Use the “Price (lowest to highest)” filter on Expedia to search for cheap British Airways return flights from $572 from LHR to PHL. Affordable one-way tickets from $766 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

British Airways flights to Philadelphia are usually more affordable in the low-season months of January and February. Whether you need a round-trip or one-way ticket, you could find a better deal then.

Search for British Airways flights from LHR to PHL about one month before you want to leave. The cheapest time to reserve an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your fare class and itinerary, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Passengers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Choose from one of British Airways’s 7 weekly direct flights from Heathrow Airport (LHR) to Philadelphia Intl. Airport (PHL). To see your options, enter your dates, origin and destination and hit search. Then apply the “Nonstop” and “Airline” filters.

It takes approximately 8h 10m to fly nonstop from Heathrow Airport (LHR) to Philadelphia Intl. Airport (PHL) with British Airways.

The first British Airways flight from LHR to PHL takes off at 1:10PM UTC+0, landing at 4:20PM UTC-5. If you want to jet off later in the day, the last British Airways flight leaves LHR at 1:10PM UTC+0 and touches down at PHL at 4:20PM UTC-5. Flying before noon is generally a smart choice as morning and mid-morning flights are least likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Philadelphia Intl. Airport (PHL) is the main Philadelphia hub for British Airways flights from Heathrow Airport (LHR).

For checked luggage, passengers can take 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 29 inches x 15 inches x 16 inches. You can also travel with 2 cabin bags in the cabin when flying standard economy from LHR to PHL with British Airways. This carry-on has to weigh less than 50 lb and be no bigger than 19 inches x 9 inches x 17 inches. Exceeding these limits can mean extra charges, so check British Airways’s baggage allowance guidelines before you start packing.

Taking off from LHR to PHL with British Airways means enjoying a host of benefits, including top-tier customer service and a 4-star airline rating. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That’s in addition to the British Airways Executive Club points you can earn with British Airways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Take a British Airways flight from Heathrow Airport (LHR) to Philadelphia Intl. Airport (PHL), and you’ll probably be on an Airbus A350-1000. Bear in mind though, that the aircraft type can vary depending on operational needs.

You can usually modify or cancel your flight, although there may be additional fees if you booked more than 24 hours ago. Need to keep your options open? Apply the “Changes included” or “No cancel fee” filter to find flights that won’t charge extra if you have to alter your plans. To modify your itinerary, go to “Trips,” select your flight and click on “Manage Booking” for more details.