
€251 Cheap Flights Philadelphia to London (PHL-LHR)
Popular airlines from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR)
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 15% on select hotels after you book a flight*
Cheap flights from Philadelphia to London (PHL-LHR)
Prices were available within the past 7 days and start at €251 for one-way flights and €552 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, 3 Mar - Tue, 10 Mar
PHL
Philadelphia
LHR
London
€552 Return, found 11 hours ago
€552
Return
found 11 hours ago

Mon, 23 Mar - Wed, 1 Apr
PHL
Philadelphia
LHR
London
€596 Return, found 2 days ago
€596
Return
found 2 days ago

Tue, 3 Mar - Thu, 12 Mar
PHL
Philadelphia
LHR
London
€606 Return, found 11 hours ago
€606
Return
found 11 hours ago

Sun, 29 Mar - Wed, 8 Apr
PHL
Philadelphia
LHR
London
€622 Return, found 12 hours ago
€622
Return
found 12 hours ago

Sun, 22 Mar - Mon, 13 Apr
PHL
Philadelphia
LHR
London
€624 Return, found 3 days ago
€624
Return
found 3 days ago

Mon, 23 Mar - Wed, 1 Apr
PHL
Philadelphia
LHR
London
€626 Return, found 2 days ago
€626
Return
found 2 days ago

Mon, 23 Mar - Wed, 1 Apr
PHL
Philadelphia
LHR
London
€627 Return, found 2 days ago
€627
Return
found 2 days ago

Sun, 22 Mar - Mon, 13 Apr
PHL
Philadelphia
LHR
London
€641 Return, found 3 days ago
€641
Return
found 3 days ago

Sun, 29 Mar - Wed, 8 Apr
PHL
Philadelphia
LHR
London
€653 Return, found 12 hours ago
€653
Return
found 12 hours ago

Sun, 29 Mar - Wed, 8 Apr
PHL
Philadelphia
LHR
London
€658 Return, found 12 hours ago
€658
Return
found 12 hours ago
Find the cheapest month to fly from Philadelphia (PHL) to London (LHR)
November is typically the cheapest month to fly
From €412 - €725 per traveller.
Frequently asked questions
Travel information
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 | €551 |
Distance | 5656 km |
Average flight time | 12 hours 5 mins |
Book with confidence
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 €251 and roundtrip prices from €552. 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.
Explore a world of travel with Expedia
- Moxy Hotels in Cranford
- Q Apartments Hotels in Cranford
- Travelodge UK Hotels in Cranford
- Cranford Hotels
- Drayton Garden Village Hotels
- Caravan Parks in Feltham
- Feltham North Hotels
- Cheap Hotels in Harlington
- Historic Hotels in Harlington
- Harlington Hotels
- Harmondsworth Hotels
- Hotels near Hatton Cross Underground Station
- Hatton Hotels
- Hotels near Heathrow
- B&B in Heathrow Terminal 5 Station
- Hotels near Heathrow Terminal 5 Station
- Heathrow Villages Hotels
- London Hotels
- Fairmont Hotels in Longford
- Four Seasons Hotels in Longford
- Hotels with Pool in Longford
- Hotels with Spa in Longford
- Travelodge UK Hotels in Longford
- Longford Hotels
- Boutique Hotels in Stanwell
- Hotels with Restaurant in Stanwell
- Millennium Hotels in Stanwell
- Stanwell Hotels
- Cheap Hotels in West Drayton
- Luxury Hotels in West Drayton
- St Giles Hotels in West Drayton
- Travelodge UK Hotels in West Drayton
- Lodges in West Drayton
- Flights to Heathrow
- Flights from Heathrow
- Flights from Austin (AUS) to London (LHR)
- Flights from Bridgetown (BGI) to London (LHR)
- Flights from Belfast (BHD) to London (LHR)
- Flights from Biarritz (BIQ) to London (LHR)
- Flights from Bogotá (BOG) to London (LHR)
- Flights from Cairo (CAI) to London (LHR)
- Flights from Jakarta (CGK) to London (LHR)
- Flights from Colombo (CMB) to London (LHR)
- Flights from Dublin (DUB) to London (LHR)
- Flights from Grenoble (GNB) to London (LHR)
- Flights from São Paulo (GRU) to London (LHR)
- Flights from Hamburg (HAM) to London (LHR)
- Flights from Holyhead (HLY) to London (LHR)
- Flights from Islamabad (ISB) to London (LHR)
- Flights from New York (JFK) to London (LHR)
- Flights from Kraków (KRK) to London (LHR)
- Flights from Katowice (KTW) to London (LHR)
- Flights from Lima (LIM) to London (LHR)
- Flights from Madrid (MAD) to London (LHR)
- Flights from Melbourne (MEL) to London (LHR)
- Flights from Miami (MIA) to London (LHR)
- Flights from Marilia (MII) to London (LHR)
- Flights from Knock (NOC) to London (LHR)
- Flights from Cork (ORK) to London (LHR)
- Flights from Port Elizabeth (PLZ) to London (LHR)
- Flights from Panama City (PTY) to London (LHR)
- Flights from Shannon (SNN) to London (LHR)
- Flights from Lamezia Terme (SUF) to London (LHR)
- Flights from Moscow (SVO) to London (LHR)
- Flights from Calgary (YYC) to London (LHR)
- Ace Rental Cars in Heathrow
- Alamo Rent A Car Rental Cars in Heathrow
- Avis Rental Cars in Heathrow
- Budget Rental Cars in Heathrow
- Rental cars Heathrow airport
- Car hire near Longford
- Car hire West Drayton
- Convertible Car Hire near Heathrow
- Dollar Rental Cars in Heathrow
- Dollar Rent A Car Rental Cars in Heathrow
- Easirent Rental Cars in Heathrow
- Economy Car Hire near Heathrow
- Economy Rent a Car Rental Cars in Heathrow
- Enterprise Rental Cars in Heathrow
- Europcar Rental Cars in Heathrow
- First Car Rental Rental Cars in Longford
- Goldcar Key’n Go Rental Cars in Heathrow
- Hertz Rental Cars in Heathrow
- Hertz Rental Cars in West Drayton
- Keddy By Europcar Rental Cars in Heathrow
- Luxury Car Hire near Heathrow
- Minivan Car Hire near Heathrow
- National Car Rental Rental Cars in Heathrow
- Pickup Car Hire near Heathrow
- Sixt Rental Cars in Heathrow
- Sports Car Car Hire near Heathrow
- Surprice Car Rentals Rental Cars in Heathrow
- Suv Car Hire near Heathrow
- Thrifty Car Rental Rental Cars in Heathrow
- People Carrier Car Hire near Heathrow
*Available to Expedia members.