$476 Find Cheap Flights from London to Philadelphia - Compare and Save

These are the earliest and latest flight times available from London to Philadelphia:

• Earliest: departs at 9:15 am and lands at 5:18 pm
• Latest: departs at 1:45 pm and lands at 9:48 pm.

The flight takes about 8h 03m.

Three cabin classes are available on flights from London to Philadelphia:

• Economy Class
• Premium Economy Class
• Business Class

A nonstop flight from London to Philadelphia takes 8h 03m, covering 3,546 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from London to Philadelphia range from $740 to $1,061, with an average of $884 over the past 12 months. Anything below $740 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 14% above the $884 route average. Book 20 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $657 round-trip via Orlando (MCO), compared to $906 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $74–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Morning is the busiest departure period on London to Philadelphia flights, with 50% of flights leaving in that window. Afternoon departures account for 50%, evening flights for 0%, and night flights for 0%.

American Airlines is the only airline on the London to Philadelphia route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from London to Philadelphia are currently lower than usual. Average one-way flight prices are about $531, which is 29% below the typical average for this route.

Philadelphia Airport (PHL) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include:

• Payless
• Dollar
• Hertz
• Thrifty
• Budget

Flights from London to Philadelphia may depart from several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN). Flights usually arrive at Philadelphia (PHL).

Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the London to Philadelphia route, 16% of flights were delayed in the past 3 months, with delays averaging 2h 28m.

One-stop flights from London to Philadelphia most commonly connect through:

• Dublin (DUB) - 57% of one-stop connections
• Boston Logan Intl (BOS) - 33% of one-stop connections
• Orlando (MCO) - 3% of one-stop connections
• Frankfurt am Main (FRA) - 3% of one-stop connections

Yes. Flexible dates can save you up to 14% on flights from London to Philadelphia. Tuesday is the cheapest departure day at $812 round-trip on average, while Sunday is the most expensive at $934, a difference of $122.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between London and Philadelphia. The airlines offering nonstop flights on this route include:

• American Airlines
• British Airways

Flying via Dublin (DUB) gives the shortest average 1-stop total travel time at 10h 59m, compared with 11h 58m via Washington, D.C. Dulles Intl (IAD) and 11h 59m via Montreal Pierre Elliott Trudeau Intl (YUL).

Philadelphia is 5 hours behind London (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Philadelphia are Philadelphia Convention Center, Rittenhouse Square and Philadelphia Stadium. These are among the most viewed places in Philadelphia on KAYAK.

Among airlines operating London to Philadelphia flights:

• Finnair: offers free seat selection
• Iberia: offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• British Airways: a cabin bag and a checked bag in Economy Class
• Finnair: a cabin bag and a checked bag in Economy Class
• Iberia: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

All terminals at the London Heathrow Airport are very modern and offer a lot of convenient services, however Terminal 2 and Terminal 5 are considered to be the best according to world lists. Terminal 2 has many interesting restaurants like The Gorgeous Kitchen or The Flying Chariot whereas Terminal 5 offers a quality shopping experience with brands such as Chanel and Valentino.

Getting to the city centre of Philadelphia is easy with a SEPTA train that departs every half an hour from all terminals, the ticket will cost you about 6£. A cheaper alternative is a SEPTA bus with one airport stop on the Arrivals Road and three routes that take you through different stops. Those who prefer a more comfortable mode of transportation can take a taxi, the fare from the airport to the city centre is around 22£.

Yes, a car is the most common mode of transportation in the United States and if you plan to visit a lot of places which are spread out around the city, it is a good idea to rent a car at the airport. There are seven rental agencies at Philadelphia International Airport and you can reach them from the baggage claim zone via a free shuttle.

Those who are travelling to Philadelphia with a furry companion will be happy to hear that there are seven Pet Ports inside of each terminal and a few outdoor relief areas for animals which will surely make the time at the airport more bearable for the animals.