
Popular airlines from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR)
- British Airways
British Airways
- Aer Lingus
Aer Lingus
- Air Canada
Air Canada
- Iberia
Iberia
- Finnair
Finnair
- Virgin Atlantic
Virgin Atlantic
- JetBlue Airways
JetBlue Airways
- Plan, book, fly with confidence
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Cheap flights from Philadelphia to London (PHL-LHR)
Prices were available within the past 7 days and start at €276 for one-way flights and €453 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, 1 Sep - Tue, 9 Sep
PHL
Philadelphia
LHR
London
€453 Return, found 6 days ago
€453
Return
found 6 days ago

Mon, 1 Sep - Tue, 9 Sep
PHL
Philadelphia
LHR
London
€496 Return, found 6 days ago
€496
Return
found 6 days ago

Sun, 21 Sep - Thu, 25 Sep
PHL
Philadelphia
LHR
London
€542 Return, found 2 days ago
€542
Return
found 2 days ago

Sun, 21 Sep - Thu, 25 Sep
PHL
Philadelphia
LHR
London
€555 Return, found 2 days ago
€555
Return
found 2 days ago

Sun, 28 Sep - Sun, 5 Oct
PHL
Philadelphia
LHR
London
€568 Return, found 2 days ago
€568
Return
found 2 days ago

Thu, 18 Sep - Sun, 21 Sep
PHL
Philadelphia
LHR
London
€595 Return, found 1 day ago
€595
Return
found 1 day ago

Mon, 22 Sep - Wed, 1 Oct
PHL
Philadelphia
LHR
London
€615 Return, found 14 hours ago
€615
Return
found 14 hours ago

Mon, 22 Sep - Wed, 1 Oct
PHL
Philadelphia
LHR
London
€620 Return, found 14 hours ago
€620
Return
found 14 hours ago

Mon, 22 Sep - Wed, 1 Oct
PHL
Philadelphia
LHR
London
€625 Return, found 14 hours ago
€625
Return
found 14 hours ago

Mon, 22 Sep - Wed, 1 Oct
PHL
Philadelphia
LHR
London
€625 Return, found 14 hours ago
€625
Return
found 14 hours ago
Find the cheapest month to fly from Philadelphia (PHL) to London (LHR)
November is typically the cheapest month to fly
From €410 - €719 per traveller.
Graph displaying average flight prices per month
Origin airport | Philadelphia Intl. |
Destination airport | Heathrow |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, United, Virgin Atlantic |
Return price | €453 |
Distance | 5656 km |
Average flight time | 12 hours 11 mins |
Perfect flights from Philadelphia to London
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Philadelphia to London. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Philadelphia Intl. to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from €276 and roundtrip prices from €453. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Heathrow and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in London.
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