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Cheap flights from London to Philadelphia

14 nonstop flights a week. Operated by 2 airlines, about 8h 5m in the air, 3,542 mi (5,700 km). Tickets from $353, nonstop from $612.

Flights from London to Philadelphia

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: London to Philadelphia

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from London to Philadelphia

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $353 20 January 2027, with a connection Cheapest nonstop $612 18 January 2027, American Airlines Cheapest in the next 7 days $539 17 November, Tue Cheapest weekend departure $786 Sat, 28 November 2026
Cheapest day of the week Wednesday $428 on average over the next 120 days
Cheapest month January 2027 tickets from $353

London to Philadelphia at a glance

flight time, from 8h to 8h 15m
8h 5m
straight-line distance
3,542 mi (5,700 km)
flights a week
14
next flight
10 November
first and last departure
10:35 - 13:10
lowest price, with a connection, 20 January
$353
lowest nonstop price
$612
airlines
2

London to Philadelphia ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: January 2027, tickets from $353. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is September 2027: from $550. The average across months is $474.

London to Philadelphia flight schedule

14 flights a week, 3 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
AA 729
American Airlines
10:35 London Heathrow, terminal 3
13:40 Philadelphia International, terminal A
8h 5m
Daily
Boeing 787-900
BA 67
British Airways
13:10 London Heathrow, terminal 3
16:15 Philadelphia International, terminal A
8h 5m
Daily
Airbus A350-1000

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 6 January.

FlightDepartsArrivesDurationDaysAircraft
AA 21
American Airlines
10:35 London Heathrow, terminal 3
13:50 Philadelphia International, terminal A
8h 15m
Seasonal
Boeing 787-900
AA 729
American Airlines
08:20 London Heathrow, terminal 3
11:20 Philadelphia International, terminal A
8h
Seasonal
Boeing 787-900
AA 737
American Airlines
12:00 London Heathrow, terminal 3
15:00 Philadelphia International, terminal A
8h
Seasonal
Boeing 787-900

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Philadelphia is 5 hours behind London. The search shows seat availability and the price for your date.

Airlines flying London to Philadelphia

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

American Airlines7 a week British Airways7 a week

Airports

Where flights from London to Philadelphia depart and land

Departure from London

London Heathrow LHR

14 flights a week, terminal 3, 14 mi (23 km) from the city centre

About the airport

Arrival in Philadelphia

Philadelphia International PHL

14 flights a week, terminal A, 7 mi (11 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from London to Philadelphia?
A nonstop flight takes 8 hours 5 minutes on average, from 8h to 8h 15m depending on the flight.
How far is Philadelphia from London?
3,542 mi (5,700 km) in a straight line between the cities.
Which airlines fly nonstop from London to Philadelphia?
American Airlines (7 a week) and British Airways (7 a week).
How many flights a day are there from London to Philadelphia?
There are 14 a week, about 2 a day on average.
When are the first and last flights from London to Philadelphia?
The first departure is at 10:35 (AA729), the last at 13:10 (BA67). Local time.
What is the cheapest month to fly from London to Philadelphia?
January 2027: tickets from $353. The most expensive is September 2027, from $550.
What is the cheapest upcoming date to fly from London to Philadelphia?
20 January 2027 (Wednesday): from $353 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from London to Philadelphia?
American Airlines: nonstop tickets from $612 on 18 January by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between London and Philadelphia?
Philadelphia is 5 hours behind London. Schedule times on this page are local to each airport.
Which London airport do flights to Philadelphia leave from?
London Heathrow (14 a week).