Captivating aerial view of Westminster Palace, Big Ben, and River Thames in London, UK. — flights from Philadelphia to London
PhiladelphiaLondon, UK

Flights from Philadelphia to London

Nonstop flights from Philadelphia (PHL) to London (LHR) take about 7h 37m (5,690 km). British Airways and American Airlines fly it. Lowest fare seen: $874 one-way, nonstop (22 Oct 2026).

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Photo of London: Gianluca Pugliese on Pexels.

When you land in London

The airport transfer and the few things worth sorting before you fly.

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Airlines flying Philadelphia to London

Carriers on PHL–LHR according to our route data and nonstop fares seen as of 22 Oct 2026. Not a complete list.

✈ British Airwaysnonstop fare seen✈ American Airlinesnonstop fare seen

Best time to fly to London

Based on weather and travel conditions in UK

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Best monthsGoodAvoid if possible

UK is a great destination year-round. Check local weather patterns before booking and consider shoulder seasons for lower prices and fewer crowds.

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Frequently asked questions — Philadelphia to London flights

How long is the flight from Philadelphia to London?
A nonstop flight from Philadelphia (PHL) to London (LHR) takes about 7h 37m, covering 5,690 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.
How far is Philadelphia from London by air?
The great-circle distance between Philadelphia International Airport and London Heathrow Airport is 5,690 km (3,536 miles), a long-haul route.
Which airlines fly from Philadelphia to London?
Airlines with flights or nonstop fares on the PHL–LHR route include British Airways and American Airlines. This is not a complete list — schedules change by season, so check the current options before booking.
How much does a flight from Philadelphia to London cost?
The lowest one-way fare seen recently on PHL–LHR was $874 USD with British Airways (nonstop), departing 25 Oct 2026, found in fare searches as of 22 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
Is it cheaper to fly nonstop or with a stop from Philadelphia to London?
In the fares we saw (22 Oct 2026), connecting was cheaper: from $460 with one stop against $874 nonstop, a saving of $414. Nonstop saves the connection time.
Do I need a visa to travel from Philadelphia to UK?
It depends on your passport. Some nationalities can enter UK visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.
What is the best time to visit London?
UK is a great destination year-round. Check local weather patterns before booking and consider shoulder seasons for lower prices and fewer crowds.

Sources: fares from Travelpayouts flight-search data, seen 22 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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