Cheap Flights from London to Philadelphia from £161

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

All the information you need to plan the best LON to PHL flight in 2021: compare London to Philadelphia flight prices with the expected peak season, weather and rainfall in Philadelphia.

LON - PHL Price	£320 - £536
PHL Temperature	7 - 31 °C
PHL Precipitation	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 £320 From London to Philadelphia
One-way from £161 One-way flight from London to Philadelphia

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

£320

From London to Philadelphia

One-way from

£161

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?

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 118% on the overall cost on flights from London to Philadelphia.

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

Travellers 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 £405, or £497 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 £383 per person but you can even find prices for as low as £277. 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 February

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 25% on the cost of your flight, compared to a flight in the evening.

Cheap flights from London to Philadelphia in September, October 2021

The best prices found for LON to PHL flights in September, October

28 Oct - 15 Nov

£300pp

LHR

London Heathrow

Air Canada

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

Air Canada

2 STOPS

LHR

London Heathrow

10 Oct - 18 Oct

£311pp

LHR

London Heathrow

Air Canada

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

Air Canada

2 STOPS

LHR

London Heathrow

30 Oct - 16 Nov

£312pp

LHR

London Heathrow

Multiple airlines

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

Air Canada

2 STOPS

LHR

London Heathrow

London to Philadelphia 2021 flight deals

Cheap flights to Philadelphia from London found for this year

9 Nov - 23 Nov

£272pp

STN

London Stansted

Multiple airlines

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

Multiple Airlines

2 STOPS

STN

London Stansted

1 Nov - 7 Nov

£282pp

LHR

London Heathrow

Air Canada

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

Air Canada

2 STOPS

LHR

London Heathrow

17 Nov - 23 Nov

£290pp

LHR

London Heathrow

Air Canada

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

Air Canada

2 STOPS

LHR

London Heathrow

Direct flights to Philadelphia from London

Save time with London to Philadelphia direct flight deals

1 Feb - 10 Feb

£357pp

LHR

London Heathrow

Multiple airlines

Direct

PHL

Philadelphia

PHL

Philadelphia

Finnair

Direct

LHR

London Heathrow

17 Nov - 23 Nov

£364pp

LHR

London Heathrow

Multiple airlines

Direct

PHL

Philadelphia

PHL

Philadelphia

Finnair

Direct

LHR

London Heathrow

10 Nov - 23 Nov

£366pp

LHR

London Heathrow

Multiple airlines

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

25 Sep - 23 Oct

£410pp

LHR

London Heathrow

Virgin Atlantic

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

Virgin Atlantic

2 STOPS

LHR

London Heathrow

26 Sep - 14 Oct

£410pp

LCY

London City

Virgin Atlantic

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

Virgin Atlantic

2 STOPS

LCY

London City

24 Sep - 1 Oct

£411pp

LHR

London Heathrow

Virgin Atlantic

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

Virgin Atlantic

1 STOP

LHR

London Heathrow

One-way flights to Philadelphia from London

The cheapest one-way flights from London to Philadelphia

04:40 - 19:43

Multiple Airlines

2 stops

20h 03m

STN - PHL

£161

Kiwi.com

04:25 - 06:25

Multiple Airlines

2 stops

31h 00m

STN - PHL

£163

Kiwi.com

03:25 - 19:42

Multiple Airlines

2 stops

21h 17m

STN - PHL

£165

Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">Philadelphia</span> flights.

Flight FAQs

From London to Philadelphia

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 centre of Philadelphia. There are 7 flights from London to Philadelphia per day from 14 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.

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 £300 on Cheapflights?

Yes, there are multiple flights from London to Philadelphia for under £300. The cheapest flight booked recently is on Air Canada for just £266, but on average you can expect to pay £303.

Are there direct flights from London to Philadelphia for under £400 on Cheapflights?

Cheapflights has 20 direct flights from London to Philadelphia under £400. A good price for a direct flight from London to Philadelphia is less than £384.

Are there last-minute flights available from London to Philadelphia for under £500?

There are currently 20+ open flights from London to Philadelphia within the next 7 days for less than £500.

What is the cheapest airline to fly from London to Philadelphia return?

According to our current data, Air Canada (£266), offers the cheapest pricing from London to Philadelphia. This flight start at 30% lower than the current average price 3 months from now.

COVID Restrictions

View COVID Travel Restrictions for Philadelphia, PA

Do I need a COVID test to fly to Philadelphia from London?

Information is based on travel restrictions from London to Philadelphia

Most visitors from London will not be allowed to enter Philadelphia.

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Philadelphia.

Quarantine requirements
Visitors from London are not required to quarantine after entering Philadelphia.

Do I need a test to fly back to London from Philadelphia?

Returning to London from Philadelphia

COVID-19 testing requirements
Visitors from Philadelphia must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London.

Quarantine requirements
Visitors from Philadelphia are not required to quarantine after entering London.

Hide COVID Travel Restrictions for Philadelphia, PA

Alternative routes for London to Philadelphia

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

Bristol to Philadelphia from £386 pp

Birmingham to Philadelphia from £619 pp

Doncaster Sheffield to Philadelphia from £736 pp

Destination information for Philadelphia

Things to know before you go - useful duration and weather info for your trip from London to Philadelphia.

£1 = $1.39

27.0 °C

109.0 mm

Airports servicing London

Heathrow (LHR)

Gatwick (LGW)

Stansted (STN)

London City (LCY)

Luton (LTN)

Southend (SEN)

Airports servicing Philadelphia

Philadelphia (PHL)

Airline	Cheapest	Average	Flexibility	On-time
Air France	£372	£491	No cancel fee	77%	Search Air France flights
Virgin Atlantic	£339	£537	No cancel fee	72%	Search Virgin Atlantic flights
Air Canada	£389	£537	No cancel fee	67%	Search Air Canada flights
Delta	£427	£538	No cancel fee	N/A	Search Delta flights
KLM	£368	£557	No cancel fee	75%	Search KLM flights
American Airlines	£366	£653	No cancel fee	71%	Search American Airlines flights
British Airways	£363	£653	No cancel fee	70%	Search British Airways flights
Finnair	£377	£660	No cancel fee	76%	Search Finnair flights
Icelandair	£470	£675	No cancel fee	76%	Search Icelandair flights
Aer Lingus	£484	£691	No cancel fee	N/A	Search Aer Lingus flights

Hourly flight availability from London to Philadelphia

See what time of day planes typically take off from London towards Philadelphia.

Morning 6 AM to midday	100% of flight departures
Early morning Midnight to 6 AM	0% of flight departures
Afternoon Midday to 6 PM	0% of flight departures
Evening 6 PM to midnight	0% of flight departures

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.

Sunday

7 daily flights

Monday

7 daily flights

Tuesday

7 daily flights

Wednesday

7 daily flights

Thursday

7 daily flights

Friday

7 daily flights

Saturday

7 daily flights

Cheap flights from London to Philadelphia

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

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

All the information you need to plan the best LON to PHL flight in 2021: compare London to Philadelphia flight prices with the expected peak season, weather and rainfall in Philadelphia.

What is the cheapest day to fly return from London to Philadelphia?

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

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

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

Cheap flights from London to Philadelphia in September, October 2021

The best prices found for LON to PHL flights in September, October

London to Philadelphia 2021 flight deals

Cheap flights to Philadelphia from London found for this year

Direct flights to Philadelphia from London

Save time with London to Philadelphia direct flight deals

Last-minute flights from London to Philadelphia

Late deals on return flights to Philadelphia from London, departing today and this week

One-way flights to Philadelphia from London

The cheapest one-way flights from London to Philadelphia

Related info for your journey

Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">Philadelphia</span> flights.

Flight FAQs

From London to Philadelphia

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

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

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

Can I find flights from London to Philadelphia for under £300 on Cheapflights?

Are there direct flights from London to Philadelphia for under £400 on Cheapflights?

Are there last-minute flights available from London to Philadelphia for under £500?

What is the cheapest airline to fly from London to Philadelphia return?

Related searches

Flights to Philadelphia (PHL) from London

Other flights from London

Other flights to Philadelphia

Hire a Car

COVID Restrictions

Do I need a COVID test to fly to Philadelphia from London?

Do I need a test to fly back to London from Philadelphia?

Alternative routes for London to Philadelphia

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

Destination information for Philadelphia

Things to know before you go - useful duration and weather info for your trip from London to Philadelphia.

Airports servicing London

Airports servicing Philadelphia

Top 10 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.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2021.

Hourly flight availability from London to Philadelphia

See what time of day planes typically take off from London towards Philadelphia.

See how many times per day planes take to the skies headed from London to Philadelphia.

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