￥67,040 Cheap Flights from Philadelphia (PHL) to London (LHR)

View ￥67,040 flight on Wed, Oct 8, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR)

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Cheap Flights from Philadelphia to London (PHL-LHR)

Prices were available within the past 7 days and start at ￥67,040 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

November is typically the cheapest month to fly

From ￥70,349 - ￥123,804 per traveler.
Flights from Philadelphia (PHL) to London (LHR)
Origin airport
Philadelphia Intl.
Destination airport
Heathrow
Distance
5656 km
Average flight time
12 hours 10 mins

Philadelphia to London Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Philadelphia to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring London.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with PHL to LHR flights that won’t make your bank account wince. Ready to temporarily leave behind Philadelphia for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to LHR with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from PHL to Heathrow Airport?
Pack your bags, because round-trip flights between PHL and London Heathrow start from . That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PHL to LHR?
We understand that life can throw the odd curveball, so we've made it as hassle-free as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Philadelphia Airport to Heathrow Airport (LHR) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PHL to LHR flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Philadelphia Airport to London Heathrow?
There are plenty of ways to make the 11 hours and 23 minutes between Philadelphia Intl. Airport (PHL) and Heathrow Airport fly by. If you want to be productive, sort through your photos or clear out all those unwanted emails. A good snooze also helps pass the time!
How far is the flight from PHL to Heathrow Airport?
With a flight distance of 5,700 kilometers between Philadelphia and Hounslow, this is a long flight. Be sure to keep well hydrated and move your legs every so often.
Which airlines fly direct from Philadelphia Airport to Heathrow Airport?
American Airlines (AA) is the preferred option for many travelers. It offers 60 flights from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR) each month. If you'd like more options, check out the ticket prices from British Airways (BA). This airlines operates 30 monthly flights between these airports.
Are Philadelphia Intl. Airport (PHL) to LHR flight tickets cheaper when they're purchased at the last minute?
Booking your trip from PHL to Heathrow Airport at the last minute could save you some serious cash. However, it could end up costing you a whole lot more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.

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