CA $414 Cheap Flights from Philadelphia (PHL) to London (LHR)

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

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

Prices were available within the past 7 days and start at CA $414 for one-way flights and CA $670 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
British Airways
American Airlines
American Airlines
American Airlines
American Airlines
Virgin Atlantic
Delta
JetBlue Airways
Lufthansa

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

November is typically the cheapest month to fly

From CA $662 - CA $1,160 per traveller.

Graph displaying average flight prices per month

Flight from Philadelphia to London (PHL - LHR) route information
Origin airport
Philadelphia Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, Lufthansa, Swiss International Air Lines, Virgin Atlantic
Roundtrip price
CA $669
Distance
5656 km
Average flight time
12 hours 8 mins

Philadelphia to London Flights

The easy way to book your flights from Philadelphia to London 

With Expedia, it’s simple to find and book flights to London from Philadelphia 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 Heathrow, 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 Philadelphia to London today, tomorrow, or this week.  

 

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

Sort your search results by price to find great deals on your flight from Philadelphia to London—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to London from Philadelphia currently is just CA $670 rising to CA $966.  

Here are more money-saving tips: 

  • Fly in December when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to London  
  • 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 London from Philadelphia 

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 London with Expedia today.

Frequently asked questions

How much is a flight from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR)?
The lowest price advertised for a round-trip flight between Philadelphia Airport and LHR is CA $670. But you better get moving. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Philadelphia Airport to Heathrow Airport?
This differs between airlines, as each one has its own terms and conditions. Head to the Customer Service Portal, where you'll find easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from PHL to Heathrow Airport that have flexible change policies?
Use our "No change fees" filter to find flexible ticketing options for your flight from Philadelphia Intl. Airport (PHL) to LHR. This allows you to snag a low rate ahead of time and still have the freedom to reschedule without any extra fees. Keep in mind that you'll need to cover the fare difference.
How many hours is the flight from Philadelphia Intl. Airport (PHL) to LHR?
The flight time from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR) is around 11 hours and 4 minutes. Grab your headphones, listen to a gripping podcast and your time in the air will whiz by.
How far is the flight from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR)?
You'll have 5,700 kilometres to cover on the long-haul Philadelphia to Hounslow route. Dress in comfy clothes and consider taking a sleep mask and earplugs.
Which airlines fly direct from PHL to London Heathrow?
American Airlines (AA) is one of the top choices for travellers jetting between Philadelphia Airport and LHR. Select from the 30 flights it offers on this route each month. If you're eager for more options, have a look at the ticket prices from British Airways (BA). This airlines operates 30 flights monthly between these airports.
Are PHL to London Heathrow flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Philadelphia Intl. Airport (PHL) to LHR can be hit-or-miss. It is possible to find a bargain, but then again, you could miss out entirely! If you'd rather start planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines advertise their prices that far in advance. Our top tip? Check back often as prices are updated regularly.

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