This fare-table for flights from London to Philadelphia is based on historical data (Date and Time mentioned). Fares are non-warranted and subject to change as per availability with the airlines. Fares are inclusive of base fare, fuel surcharges, airline/airport taxes, and our service fee.
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Airports in London
1. London Heathrow Airport (LHR / EGLL)
London Heathrow Airport is a major airport in London that serves international and domestic flights. Located at 18 miles from the center of London, United Kingdom, Heathrow ranks as the second busiest airport in the world by international passenger traffic.
2. London City Airport (LCY/EGLC)
The nearest major airport is London City Airport. This airport has international and domestic flights and is 9 miles from the center of London, United Kingdom. This airport has connecting flights to Philadelphia with full-service airlines. Mind the layover time.
3. London Gatwick Airport (LGW / EGKK)
London Gatwick Airport has international and domestic flights and is 33 miles from London, United Kingdom. The airport has No1 Lounges at the North and South Terminals. The hospitality include complimentary hot and cold freshly prepared food, wines, craft beers and premium spirits, and much more. The airport handles airlines offering connecting flights to PHL.
Airport in Philadelphia
1. Philadelphia International Airport
Philadelphia International Airport (IATA: PHL, ICAO: KPHL, FAA LID: PHL), popularly recognized by its IATA code PHL, is a major airport in Philadelphia, Pennsylvania, United States. The airport has arrivals with nonstop flights from London-Heathrow Airport with full-service airlines.
2. Philadelphia-Railway Station
Popularly referred to as the 30th Street Station, Philadelphia-Railway Station is an intermodal transit station in the city. It’s a major stop on Amtrak’s Northeast and Keystone corridors. Amtrak’s code for the station is PHL. Its IATA Airport Code is ZFV on United because Amtrak’s service to Newark Liberty International Airport is codeshared with United Airlines.
How Long is the Flight from London to Philadelphia?
The flight time between London and Philadelphia is 7 hours, 36 minutes. The flight distance is 3,552 miles/5716 km. The table below displays the flight distance and flight time for different departure-airport pairs in the two cities.
| Flight || Flight Distance || Flight Time |
| LHR to PHL || 3,546 miles/5706 km || 7 hours 35 minutes |
| LCY to PHL || 4,231 miles/6809 || 8 hours 58 minutes |
| LGW to PHL || 4,229 miles/6806 || 8 hours 57 minutes |
Also keep in mind the time difference between the two cities. London is ahead of Philadelphia by 4 hours.
Note: The flight distance and time are for a nonstop flight (excluding any layover). The actual distance and time might vary, and are non-warranted. Check with your airlines to know precise information.
Which Airlines Fly from Philadelphia to London?
| Route || Nonstop or Connecting || Airlines |
| LHR to PHL || Both || Finnair, British Airways, American Airlines, Iberia, Virgin Atlantic, United Airlines, Air Canada, Lufthansa, Swiss International Airlines |
| LCY to PHL || Connecting only || Aer Lingus, British Airways, Virgin Atlantic |
| LGW to PHL || Connecting only || British Airways, Iberia, Vueling Airlines, American Airlines, Aer Lingus, Finnair |
Guide to Book a Cheap Flight to Philadelphia from London
There is no secret remedy of getting a cheap air ticket to Philadelphia from London. Here are some basic but practical result-oriented suggestions that can make a huge difference to the cost of flights to USA from London.
1. The cheapest time of a day to fly from London to Philadelphia
Late night or early morning would be the cheapest time of the day. What makes it cheaper? The answer is simple! You pay for it by sacrificing some sound sleep. Confirm your plane ticket to PHL with a redeye flight, and enjoy incredible LON to PHL flight discount.
2. The cheapest day of a week to fly to Philadelphia from London
Philadelphia emerges as the preferred choice of travelers for a weekend escape. If you are planning an extended vacation, depart on a mid-weekday – Tuesday, Wednesday or Thursday – to save big on your LON to PHL flight ticket. Less crowd also leads to affordable hotel rental.
3. The cheapest season of the year to fly to Philadelphia from London
Winter, i.e., from November to January, is the cheapest season. However, the weather goes terribly cold in Jan and Feb with the lower limit of the mercury plummeting to the mid-20s degree Fahrenheit. To find the best of affordability and weather either keep your travel plan before November or between Feb and April.
4. The cheapest airlines to fly to Philadelphia from London
Philadelphia to London route does not see any budget carrier. Confirm your flight reservation at least 21 days ahead of the departure date. Cheap flight tickets usually have their own restrictions. They may be non-refundable or do not include free baggage.