CA $942 Cheap Flights from London (LHR) to Philadelphia (PHL)

Popular airlines from Heathrow Airport (LHR) to Philadelphia International Airport (PHL)

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Cheap flights from London (LHR) to Philadelphia (PHL)

Prices were available within the past 7 days and start at CA $942 for one-way flights and CA $851 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
JetBlue Airways
JetBlue Airways
Lufthansa
JetBlue Airways
United
British Airways
Brussels Airlines
British Airways
Swiss International Air Lines

Find the cheapest month to fly from London (LHR) to Philadelphia (PHL)

February is typically the cheapest month to fly

From CA $654 - CA $1,351 per traveller.

Graph displaying average flight prices per month

Flight from London to Philadelphia (LHR - PHL) route information
Origin airport
Heathrow
Destination airport
Philadelphia Intl.
Airlines serving
Aer Lingus, Air Canada, British Airways, Finnair, Iberia, Icelandair, JetBlue Airways, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Virgin Atlantic
Roundtrip price
CA $851
Distance
5656 km
Average flight time
2 hours 55 mins

London to Philadelphia Flights

The easy way to book your flights from London to Philadelphia 

With Expedia, it’s simple to find and book flights to Philadelphia from London whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are American Airlines, Aer Lingus, Finnair, Iberia, Malaysia Airlines, British Airways nonstop flights to Philadelphia Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from London to Philadelphia today, tomorrow, or this week.  

 

Save dollars with cheap flights from Heathrow, LHR to Philadelphia Intl., PHL 

Sort your search results by price to find great deals on your flight from London to Philadelphia—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Philadelphia from London currently is just CA $851 rising to CA $1,265.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Philadelphia  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Philadelphia from London 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Philadelphia with Expedia today.

Frequently asked questions

How much is a flight from Heathrow Airport to Philadelphia Airport?
Round-trip tickets from London Heathrow to Philadelphia Intl. Airport (PHL) start from CA $851. This is based on fares available within the last 7 days on Expedia for flights departing within the next year — book now to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport to PHL?
Most flights can be cancelled online, but whether you incur a fee all comes down to your airline. If you do have to cancel your break, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Heathrow Airport to Philadelphia Intl. Airport (PHL) that have flexible change policies?
Many airlines will allow you to reschedule your flight without charging a fee. All you pay is the cost difference between the two flights. When looking for LHR to PHL flights, you'll see a "No change fees" box for you to select.
How many hours is the flight from London Heathrow to Philadelphia Intl. Airport (PHL)?
It takes roughly 11 hours and 54 minutes to jet from Heathrow Airport (LHR) to Philadelphia Airport. But with some movies and a good novel, the time will pass by quicker.
How far is the flight from Heathrow Airport (LHR) to Philadelphia Airport?
With a flight distance of 5,700 kilometres from Heathrow Airport (LHR) to Philadelphia Intl. Airport (PHL), this is a long-haul journey. Be sure to stay hydrated and move your legs from time to time.
Which airlines fly direct from London Heathrow to PHL?
British Airways (BA) is a popular choice. It offers 30 flights from London Heathrow to Philadelphia Intl. Airport (PHL) each month. You could also check out the deals on offer with American Airlines (AA). This carrier operates 30 flights every month between Hounslow and Philadelphia.
Are Heathrow Airport (LHR) to PHL flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Heathrow Airport to Philadelphia Intl. Airport (PHL) can be hit-or-miss. It is possible to find a bargain, but you could also completely miss out! If you'd prefer to play it safe and start your trip planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines issue their prices so far in advance. Our top tip? Check back often as prices are updated frequently.

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