Cheap flights from London to Philadelphia

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs Cheapflights |
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

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

Return
Economy
Thu 5/11
Thu 12/11
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Thu 5/11
Time
Anytime
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
Time
Anytime
#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
Time
Anytime
#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
Time
Anytime
#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
Time
Anytime
#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
Time
Anytime
#removeLegButton($self.id("removeLeg$leg"))
#infantInLapWarning('multiRightOfTravelers')

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

LON - PHL
Price
£340 - £569
PHL
Temperature
7 - 31 °C
PHL
Rainfall
60 - 114 mm

Popular in

July

High demand for flights, 29% potential price rise

Cheapest in

February

Best time to find cheap flights, 16% potential price drop

Round-trip from

£340

From London to Philadelphia

One-way from

£245

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 54 days in advance, which can save you up to 38% on flights from London to Philadelphia compared to booking the week you need them. Waiting 54 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 £431. For sooner than that we have options available in the next 3 days from £528.

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

February can be a great time to fly to Philadelphia from London with a flight ticket averaging about £407. Cheapflights users have found deals in the month of February for as cheap as £295. The most expensive prices can be found in the month of July.

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 at 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 October, November 2020

The best prices found for LON to PHL flights in October, November
16 Nov - 7 Dec
£299pp
LHR
London Heathrow
Delta
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Delta
   
2 STOPS
LHR
London Heathrow
18 Nov - 8 Dec
£300pp
LHR
London Heathrow
Delta
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Delta
 
1 STOP
LHR
London Heathrow
27 Nov - 8 Dec
£312pp
LHR
London Heathrow
Delta
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Delta
 
1 STOP
LHR
London Heathrow

London to Philadelphia 2020 flight deals

Cheap flights to Philadelphia from London found for this year
1 Dec - 28 Jan
£282pp
LHR
London Heathrow
Delta
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Delta
   
2 STOPS
LHR
London Heathrow
16 Nov - 7 Dec
£299pp
LHR
London Heathrow
Delta
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Delta
   
2 STOPS
LHR
London Heathrow
18 Nov - 8 Dec
£300pp
LHR
London Heathrow
Delta
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Delta
 
1 STOP
LHR
London Heathrow

Direct flights to Philadelphia from London

Save time with London to Philadelphia direct flight deals
1 Dec - 28 Jan
£338pp
LHR
London Heathrow
Multiple airlines
Direct
PHL
Philadelphia
PHL
Philadelphia
Finnair
Direct
LHR
London Heathrow
16 Nov - 2 Dec
£341pp
LHR
London Heathrow
Finnair
Direct
PHL
Philadelphia
PHL
Philadelphia
Finnair
Direct
LHR
London Heathrow
29 Jan - 8 Feb
£353pp
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
7 Nov - 22 Nov
£405pp
LHR
London Heathrow
Air Canada
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Canada
   
2 STOPS
LHR
London Heathrow
6 Nov - 8 Nov
£406pp
LHR
London Heathrow
Finnair
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Finnair
 
1 STOP
LHR
London Heathrow
7 Nov - 22 Nov
£412pp
LHR
London Heathrow
Finnair
 
1 STOP
PHL
Philadelphia
PHL
Philadelphia
Finnair
 
1 STOP
LHR
London Heathrow

One-way flights to Philadelphia from London

The cheapest one-way flights from London to Philadelphia
12:05 - 15:13
Virgin Atlantic
2 stops
32h 08m
LHR - PHL
Virgin Atlantic
05:20 - 14:50
Multiple Airlines
3 stops
38h 30m
LHR - PHL
Multiple Airlines
£250
Kiwi.com
01:30 - 12:20
Delta
2 stops
15h 50m
LHR - PHL
Delta
£251
Delta

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.

What safety measures are being taken by airlines flying from London to Philadelphia to control the spread of COVID-19?

New policies can now be found on Delta to help keep travellers safe while flying. Airline carriers are regularly disinfecting and sanitising their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from London to Philadelphia. Policies will vary by airline.

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, American Airlines, and Virgin Atlantic flying from London to Philadelphia have implemented new flexible cancellation policies.

Can I find flights from London to Philadelphia for under £308 on Cheapflights?

Yes, there are multiple flights from London to Philadelphia for under £308. The cheapest flight booked recently is on Delta for just £282, but on average you can expect to pay £318.

Are there direct flights from London to Philadelphia for under £385 on Cheapflights?

Cheapflights has 20 direct flights from London to Philadelphia under £385. A good price for a direct flight from London to Philadelphia is less than £438.

Are there last-minute flights available from London to Philadelphia for under £462?

There are currently 20+ open flights from London to Philadelphia within the next 7 days for less than £462.

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, Aer Lingus, and Lufthansa fly from London to Philadelphia in about 8h. The time it takes to get you to your destination can typically vary by up to 5h. 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, Delta (£283), Lufthansa (£314), and KLM (£316) offers the cheapest pricing from London to Philadelphia. Users have found that Delta is 30% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from London to Philadelphia one-way?

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as £194. Check flights for Virgin Atlantic, as they currently have the next best price.

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 = $1.31
Flight duration
7h 25m
Average temperature for October in Philadelphia
21.0 °C
Avg rainfall for October in Philadelphia
86.0 mm

Airports servicing London

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

Airports servicing Philadelphia

Weekly flight availability
from London to Philadelphia
Sunday
1 daily flight
Monday
0 flights
Tuesday
0 flights
Wednesday
0 flights
Thursday
5 daily flights
Friday
0 flights
Saturday
0 flights
Home North America USA Pennsylvania Philadelphia Cheap flights from London to Philadelphia
  • Return
  • One-way
  • Economy
  • Premium Economy
  • Business
  • First