Cheap flights from London to Philadelphia

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The best prices from London to Philadelphia are usually found in November or October, booked 60 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

How to find the cheapest flight from
London (LON) to Philadelphia (PHL)

LON - PHL
Price
£330 - £716
PHL
Temperature
7 - 31 °C
PHL
Rainfall
60 - 114 mm
Popular in June High demand for flights, 36% potential price rise
Cheapest in November Best time to find cheap flights, 28% potential price drop
Round-trip from £330 From London to Philadelphia
One-way from £189 One-way flight from London to Philadelphia
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from London to Philadelphia?

Monday is generally a great day to depart. Flying on this day could help you save up to 116%.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 32% on flights from London to Philadelphia compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £387. For sooner than that we have options available in the next 3 days from £400.

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

November can be a great time to fly to Philadelphia from London with a flight ticket averaging about £462. Cheapflights users have found deals in the month of November for as cheap as £297. The most expensive prices can be found in the month of June.

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

A simple way to save on the total cost of your ticket is to fly from London to Philadelphia in the midday. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the evening.

Cheap flights from London to Philadelphia in August, September 2020

The best prices found for LON to PHL flights in August, September
14 Aug - 21 Aug
£424pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
7 Aug - 18 Sep
£429pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
7 Aug - 12 Sep
£439pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Multiple Airlines
     
3 STOPS
LHR
London Heathrow

London to Philadelphia 2020 flight deals

Cheap flights to Philadelphia from London found for this year
6 Dec - 12 Dec
£400pp
LGW
London Gatwick
Multiple airlines
     
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
10 Nov - 17 Nov
£405pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PHL
Philadelphia
PHL
Philadelphia
Finnair
Direct
LHR
London Heathrow
10 Nov - 17 Nov
£406pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PHL
Philadelphia
PHL
Philadelphia
Multiple Airlines
 
1 STOP
LHR
London Heathrow

Direct flights to Philadelphia from London

Save time with London to Philadelphia direct flight deals
15 Sep - 22 Sep
£433pp
LHR
London Heathrow
Finnair
Direct
PHL
Philadelphia
PHL
Philadelphia
Finnair
Direct
LHR
London Heathrow
10 Nov - 17 Nov
£434pp
LHR
London Heathrow
Multiple airlines
Direct
PHL
Philadelphia
PHL
Philadelphia
Finnair
Direct
LHR
London Heathrow
10 Nov - 17 Nov
£440pp
LHR
London Heathrow
Finnair
Direct
PHL
Philadelphia
PHL
Philadelphia
Finnair
Direct
LHR
London Heathrow

Last-minute flights from London to Philadelphia

Late deals on return flights to Philadelphia from London, departing today and this week
26 Jul - 18 Aug
£897pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
25 Jul - 7 Aug
£965pp
LTN
London Luton
Multiple airlines
     
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Multiple Airlines
     
3 STOPS
LTN
London Luton
25 Jul - 7 Aug
£1032pp
STN
London Stansted
Multiple airlines
     
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
Multiple Airlines
     
3 STOPS
STN
London Stansted

One-way flights to Philadelphia from London

The cheapest one-way flights from London to Philadelphia
04:15 - 17:55
Multiple Airlines
3 stops
42h 40m
STN - PHL
Multiple Airlines
£145
Kiwi.com
12:55 - 17:55
Multiple Airlines
3 stops
34h 00m
LTN - PHL
Multiple Airlines
£147
Kiwi.com
04:40 - 17:55
Multiple Airlines
3 stops
42h 15m
STN - PHL
Multiple Airlines
£148
Kiwi.com

Related info for your journey

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

Flight FAQs

From London to Philadelphia

Are flight prices decreasing from London to Philadelphia due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and Philadelphia for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from London to Philadelphia for under £400 on Cheapflights?

Yes, there are multiple flights from London to Philadelphia for under £400. The cheapest flight booked recently is on Multiple Airlines for just £400, but on average you can expect to pay £423.

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

Cheapflights has 20 direct flights from London to Philadelphia under £500. A good price for a direct flight from London to Philadelphia is less than £460.

Are there last-minute flights available from London to Philadelphia for under £900?

There are currently 20+ open flights from London to Philadelphia within the next 7 days for less than £900.

Is London weather warmer or cooler than Philadelphia?

Temperatures around the 31 °Cs can be experienced in July. The weather in Philadelphia is hotter than in London. Plan for potential changes in flight availability as peak weather approaches in this location.

How long does is the flight from London to Philadelphia?

Airlines like Finnair, British Airways, and Aer Lingus fly from London to Philadelphia in about 7h 55m. The time it takes to get you to your destination can typically vary by up to 3h 40m. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to flying from London to Philadelphia return?

According to our current data, Lufthansa (£309), Virgin Atlantic (£321), and British Airways (£329) offers the cheapest pricing from London to Philadelphia. Users have found that Lufthansa is 33% cheaper than the other options available to this destination.

Alternative routes for London to Philadelphia

Destination information for Philadelphia

Things to know before you go. Useful info for your trip from London to Philadelphia
Today's exchange rate
£1 = $1.32
Flight duration
7h 37m
Average temperature for August in Philadelphia
30.0 °C
Avg rainfall for August in Philadelphia
91.0 mm

Airports servicing London

Heathrow (LHR)
Luton (LTN)
Stansted (STN)
City (LCY)
Southend (SEN)

Airports servicing Philadelphia

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