Cheap flights from London to Philadelphia

LON — PHL
30 May — 6 Jun1
Return
1 adult
Economy
From?
To?
Mon 30/5
Mon 6/6

The best prices from London to Philadelphia are usually found in February or November, booked 57 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

How to find the cheapest flight from London to Philadelphia

All the information you need to plan the best LON to PHL flight in 2022: compare London to Philadelphia flight prices with the expected peak season, weather and rainfall in Philadelphia.

LON - PHL

Price

£442 - £740

PHL

Temperature

1 - 26 °C

PHL

Rainfall

69 - 112 mm

Popular inJulyHigh demand for flights, 29% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 16% potential price drop
Round-trip from£353From London (LON) to Philadelphia
One-way from£238One-way flight from London (LON) to Philadelphia

What is the cheapest day to fly round-trip from London to Philadelphia?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 13% on the overall cost on flights from London to Philadelphia.

How far in advance should I book a flight from London to Philadelphia?

Travelers have found it’s best to book a flight 54 days in advance to save up to 38% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 54 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London to Philadelphia 1-2 weeks in advance for as low as £447, or £547 for flights within the next 24 hours.

What is the cheapest month to fly from London to Philadelphia?

February is one of the best times of the year to fly to Philadelphia from London. Prices for February average £422 per person but you can even find prices for as low as £305. The most expensive prices can be found in the month of July. Opting for a February flight can save you 40% on your journey compared to booking in July

When is the cheapest time to fly from London to Philadelphia (LON - PHL)?

It’s optimal to fly from London to Philadelphia in the afternoon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the morning.

Cheap flights from London to Philadelphia in May, June 2022

The best prices found for LON to PHL flights in May, June
16 Jun - 10 Jul
LHR

London Heathrow

PHL

Philadelphia

2 stops

13h 45m
PHL

Philadelphia

LHR

London Heathrow

1 stop

10h 55m
£420

Lufthansa

View Deal

Deal found 23/5/22

20 Jun - 13 Jul
LHR

London Heathrow

PHL

Philadelphia

2 stops

29h 17m
PHL

Philadelphia

LHR

London Heathrow

2 stops

17h 17m
£421

United Airlines

View Deal

Deal found 23/5/22

20 Jun - 13 Jul
LHR

London Heathrow

PHL

Philadelphia

1 stop

29h 51m
PHL

Philadelphia

LHR

London Heathrow

1 stop

13h 00m
£426

Air Canada

View Deal

Deal found 23/5/22

London to Philadelphia 2022 flight deals

Cheap flights to Philadelphia from London found for this year
14 Nov - 21 Nov
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 55m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 05m
£401

British Airways

View Deal

Deal found 23/5/22

14 Nov - 21 Nov
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 55m
PHL

Philadelphia

LHR

London Heathrow

1 stop

10h 20m
£404

British Airways

View Deal

Deal found 23/5/22

20 Nov - 28 Nov
LHR

London Heathrow

PHL

Philadelphia

1 stop

27h 05m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 15m
£408

Multiple Airlines

View Deal

Deal found 24/5/22

Cheap British Airways flights from London to Philadelphia

14 Nov - 21 Nov
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 55m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 05m
£401

British Airways

View Deal

Deal found 23/5/22

14 Nov - 21 Nov
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 55m
PHL

Philadelphia

LHR

London Heathrow

1 stop

10h 20m
£404

British Airways

View Deal

Deal found 23/5/22

15 Nov - 22 Nov
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 55m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 05m
£422

British Airways

View Deal

Deal found 23/5/22

  • If you’re travelling from London to Philadelphia, one of the more common airlines travelling that route is British Airways. Flights from British Airways travelling this route typically cost £758.72 RT. This price is typically 53% cheaper than other airlines that offer London to Philadelphia flights. When booking this route, the cheapest RT price found was £577. When travelling from London to Philadelphia on British Airways, the most popular airport to depart from is London Heathrow Airport and the most popular airport to arrive at is Philadelphia Airport. When flying from London to Philadelphia, British Airways flights are 1% more popular than any other airline flying that same route.

Cheap United Airlines flights from London to Philadelphia

10 Oct - 29 Oct
LHR

London Heathrow

PHL

Philadelphia

2 stops

14h 48m
PHL

Philadelphia

LHR

London Heathrow

2 stops

19h 22m
£412

United Airlines

View Deal

Deal found 23/5/22

19 Aug - 29 Aug
LHR

London Heathrow

PHL

Philadelphia

2 stops

13h 31m
PHL

Philadelphia

LHR

London Heathrow

1 stop

21h 10m
£413

United Airlines

View Deal

Deal found 25/5/22

21 Sep - 3 Oct
LHR

London Heathrow

PHL

Philadelphia

2 stops

14h 08m
PHL

Philadelphia

LHR

London Heathrow

1 stop

22h 08m
£414

United Airlines

View Deal

Deal found 24/5/22

  • If you’re travelling from London to Philadelphia, one of the more common airlines travelling that route is United Airlines. Flights on this route from United Airlines typically cost £670.86 RT, a price that is 61% cheaper than the average London to Philadelphia flight. The cheapest flight found was £512 RT. When travelling from London to Philadelphia on United Airlines, the most popular airport to depart from is London Heathrow Airport and the most popular airport to arrive at is Philadelphia Airport. When flying from London to Philadelphia, United Airlines flights are -1% more popular than any other airline flying that same route.

Direct flights to Philadelphia from London

Save time with London to Philadelphia direct flight deals
14 Nov - 21 Nov
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 40m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 15m
£424

Finnair

View Deal

Deal found 23/5/22

16 Nov - 20 Nov
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 40m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 05m
£451

Multiple Airlines

View Deal

Deal found 22/5/22

15 Nov - 22 Nov
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 10m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 05m
£451

American Airlines

View Deal

Deal found 23/5/22

Last-minute flights from London to Philadelphia

Late deals on return flights to Philadelphia from London, departing today and this week
2 Jun - 9 Jun
LHR

London Heathrow

PHL

Philadelphia

2 stops

19h 49m
PHL

Philadelphia

LHR

London Heathrow

2 stops

22h 34m
£511

United Airlines

View Deal

Deal found 22/5/22

1 Jun - 7 Jun
LHR

London Heathrow

PHL

Philadelphia

2 stops

20h 01m
PHL

Philadelphia

LHR

London Heathrow

2 stops

22h 05m
£512

United Airlines

View Deal

Deal found 23/5/22

1 Jun - 1 Sep
LHR

London Heathrow

PHL

Philadelphia

2 stops

16h 48m
PHL

Philadelphia

LHR

London Heathrow

1 stop

11h 35m
£513

United Airlines

View Deal

Deal found 25/5/22

One-way flights to Philadelphia from London

The cheapest one-way flights from London to Philadelphia
6 Jun
LTN

London Luton

PHL

Philadelphia

3 stops

53h 58m
£238

Multiple Airlines

View Deal

Deal found 25/5/22

6 Jul
STN

London Stansted

PHL

Philadelphia

2 stops

40h 00m
£238

Multiple Airlines

View Deal

Deal found 23/5/22

6 Jul
STN

London Stansted

PHL

Philadelphia

2 stops

40h 00m
£242

Multiple Airlines

View Deal

Deal found 24/5/22

Related info for your journey

Useful info, stats and facts about London to Philadelphia flights.

What airport do you fly into for flights to Philadelphia from London?

If you book a flight to Philadelphia from London, you will be flying to Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 18 flights from London to Philadelphia per day from 13 different airlines.

Which airlines flying from London to Philadelphia have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like British Airways, Finnair, and American Airlines flying from London to Philadelphia have implemented new flexible cancellation policies.

Can I find flights from London to Philadelphia for under £500 on Cheapflights?

Yes, there are multiple flights from London to Philadelphia for under £500. The cheapest flight booked recently is on British Airways for just £401, but on average you can expect to pay £416.

Are there nonstop flights from London to Philadelphia for under £500 on Cheapflights?

Cheapflights has at least 20 direct flights from London to Philadelphia under £500. A good price for a nonstop flight from London to Philadelphia is less than £468.

Are there last-minute flights available from London to Philadelphia for under £600?

There are currently 20+ open flights from London to Philadelphia within the next 7 days for less than £600.

What days are nonstop flights available from London to Philadelphia?

Nonstop flights are available for this route on the following days: Wednesday.

How many flights depart from London to Philadelphia on average per day?

On average, you can expect to see 2 flights from London to Philadelphia a day.
Afternoon (Noon - 6pm) - 100% of flight departures

How long is the flight from London to Philadelphia?

There are many flights that can get you from London to Philadelphia in 11h 55m. Fly via British Airways, United Airlines, or Air Canada to get the fastest option. London and Philadelphia are separated by a distance of 3555 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from London to Philadelphia round-trip?

Cheapflights users have booked flights from London to Philadelphia round-trip from £401. Other airlines that can offer you cheap pricing are United Airlines, from £412, and Air Canada, from £418. You may be able to fly from London to Philadelphia for 4% less than the average price by searching for these airlines.

What are the most popular routes from London to Philadelphia?

When deciding which route to take from London to Philadelphia consider London Heathrow - Philadelphia, London Gatwick - Philadelphia or London City - Philadelphia as they are the most popular.

What are the most popular airlines that fly from London to Philadelphia?

Before booking your flight from London to Philadelphia check out the most popular airlines for this route: American Airlines, Air Canada or Air France.

What are the most reliable airlines from London to Philadelphia?

Consider Qatar Airways (94%), Malaysia Airlines (94%) or EL AL (94%) when booking your flight. These represent the most reliable airlines when flying from London to Philadelphia.

What are the cheapest flights from London to Philadelphia?

Looking at all options, your cheapest flight can be booked for £357. While the most popular route (London Heathrow - Philadelphia) can be booked for £401 on average our data indicates £808 when flying from London to Philadelphia.

Alternative routes for London to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from London to Philadelphia

The chart below displays the airlines Cheapflights users travelling from London to Philadelphia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
LufthansaCheapest£290Average£424FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Lufthansa flights
Air FranceCheapest£297Average£391FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Air France flights
Virgin AtlanticCheapest£357Average£516FlexibilityNo cancel feeOn-time72%COVID-19 safety
Search Virgin Atlantic flights
Air CanadaCheapest£373Average£453FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
IcelandairCheapest£375Average£538FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Icelandair flights

Hourly flight availability from London to Philadelphia

See what time of day planes typically take off from London to Philadelphia
1%of flight departuresEarly morningMidnight to 6 am
36%of flight departuresMorning6 am to noon
63%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from London to Philadelphia

See how many times per day planes take to the skies headed from London to Philadelphia
Sunday19daily flights
Monday19daily flights
Tuesday19daily flights
Wednesday19daily flights
Thursday17daily flights
Friday19daily flights
Saturday19daily flights