Direct (nonstop) flights from London to Philadelphia
2 airlines fly nonstop from Heathrow (LHR) to Philadelphia International Airport (PHL). It's 3,545 miles (5,705 km), about 8h in the air. Operated by American Airlines, British Airways.
American Airlines
British Airways
Route data last updated: May 29, 2026
Airlines with non-stop flights
AA
American Airlines
Alternative Routes
Other ways to fly from London to Philadelphia with one stop · direct emits 542 kg CO₂ per passenger
Looking for the return flight?
PHL → LHR: Flights from Philadelphia to LondonOther direct flights from London
Direct flights from Philadelphia (PHL)
Frequently Asked Questions
How long is the direct flight from London to Philadelphia?
A nonstop flight from London (LHR) to Philadelphia (PHL) takes approximately 8 hours. The distance is 3,545 miles (5,705 km).
Which airlines fly nonstop from London to Philadelphia?
2 airlines: American Airlines, British Airways.
Is there a nonstop flight from London to Philadelphia?
Yes. 2 airlines: American Airlines, British Airways.
How far is London from Philadelphia?
The flight distance from London to Philadelphia is 3,545 miles (5,705 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to New York.
What is the time difference between London and Philadelphia?
Philadelphia is 5 hours behind London. (Europe/London vs America/New_York.)
Will I experience jet lag flying from London to Philadelphia?
Maybe mild — 5-hour difference. Most people adjust in a day or two.
What type of aircraft flies from London to Philadelphia?
At 8h, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from United Kingdom to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from London to Philadelphia?
Roughly 542 kg CO2 per passenger one-way. That's about the same as driving 2,710 km.
Is the return flight from Philadelphia to London also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from London to Philadelphia?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at Heathrow for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.