Cheap flights from Philadelphia (PHL) to London (LON)

PHL — LON
May 30 — Jun 61

The best prices from Philadelphia to London are usually found in February or January, booked 39 days in advance, depart on a Tuesday or Wednesday and return on a Monday

How to find the cheapest flight from Philadelphia to London

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

PHL - LON

Price

$537 - $902

LON

Temperature

39.2 - 62.6 °F

LON

Rainfall

1.6 - 2.8 inches

Popular inJuneHigh demand for flights, 26% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 20% potential price drop
Round-trip from$537From Philadelphia to London (LON)
One-way from$355One-way flight from Philadelphia to London (LON)

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

Friday flights are found to be more expensive to fly from Philadelphia to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

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

To save on the cost of your flight from Philadelphia to London, book at least 38 days before your planned departure. Booking around this time can save you about 59% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $825 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,026.

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

Flights from Philadelphia to London lean towards being more expensive in June. Prices are generally better when you fly from Philadelphia to London in February, with the cheapest ticket starting at $403.

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

A simple way to save on the total cost of your ticket is to fly from Philadelphia to London at noon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the morning.

Cheap flights from Philadelphia to London in May, June 2022

The best prices found for PHL to LON flights for May, June
Jun 21 - Jun 28
PHL

Philadelphia

LHR

London Heathrow

1 stop

9h 10m
LHR

London Heathrow

PHL

Philadelphia

1 stop

26h 50m
$723

Aer Lingus

View Deal

Deal found 5/25/22

May 30 - Jun 8
PHL

Philadelphia

STN

London Stansted

1 stop

15h 45m
STN

London Stansted

PHL

Philadelphia

1 stop

18h 00m
$728

Multiple Airlines

View Deal

Deal found 5/22/22

May 30 - Jun 8
PHL

Philadelphia

LGW

London Gatwick

1 stop

15h 00m
LGW

London Gatwick

PHL

Philadelphia

1 stop

11h 20m
$731

Multiple Airlines

View Deal

Deal found 5/22/22

Philadelphia to London 2022 flight deals

Cheap flights to London from Philadelphia found for this year
Sep 27 - Oct 5
PHL

Philadelphia

LGW

London Gatwick

1 stop

15h 54m
LGW

London Gatwick

PHL

Philadelphia

1 stop

11h 18m
$595

Multiple Airlines

View Deal

Deal found 5/22/22

Sep 27 - Oct 5
PHL

Philadelphia

STN

London Stansted

1 stop

14h 04m
STN

London Stansted

PHL

Philadelphia

1 stop

14h 33m
$597

Multiple Airlines

View Deal

Deal found 5/22/22

Sep 26 - Oct 5
PHL

Philadelphia

LGW

London Gatwick

1 stop

13h 19m
LGW

London Gatwick

PHL

Philadelphia

1 stop

11h 18m
$597

Multiple Airlines

View Deal

Deal found 5/22/22

Cheap Aer Lingus flights from Philadelphia to London

Jul 16 - Jul 19
PHL

Philadelphia

LHR

London Heathrow

1 stop

10h 40m
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 05m
$604

Aer Lingus

View Deal

Deal found 5/25/22

Jul 26 - Aug 2
PHL

Philadelphia

LHR

London Heathrow

1 stop

11h 55m
LHR

London Heathrow

PHL

Philadelphia

1 stop

12h 30m
$609

Aer Lingus

View Deal

Deal found 5/25/22

Jul 25 - Aug 8
PHL

Philadelphia

LHR

London Heathrow

1 stop

11h 25m
LHR

London Heathrow

PHL

Philadelphia

1 stop

12h 30m
$614

Aer Lingus

View Deal

Deal found 5/25/22

  • Aer Lingus is one of the most popular airlines used for those traveling from Philadelphia to London. Flights on this route from Aer Lingus typically cost $993.76 RT, a price that is 61% more expensive than the average Philadelphia to London flight. The cheapest flight found was $594 RT. When traveling from Philadelphia to London on Aer Lingus, the most popular airport to depart from is Philadelphia Airport and the most popular airport to arrive at is London Heathrow Airport. When flying from Philadelphia to London, Aer Lingus flights are 3% more popular than any other airline flying that same route.

Cheap Air France flights from Philadelphia to London

Sep 21 - Sep 27
PHL

Philadelphia

LHR

London Heathrow

1 stop

19h 10m
LHR

London Heathrow

PHL

Philadelphia

2 stops

26h 03m
$641

Air France

View Deal

Deal found 5/23/22

Oct 19 - Oct 26
PHL

Philadelphia

LHR

London Heathrow

1 stop

14h 15m
LHR

London Heathrow

PHL

Philadelphia

2 stops

26h 03m
$642

Air France

View Deal

Deal found 5/24/22

Oct 2 - Oct 13
PHL

Philadelphia

LHR

London Heathrow

1 stop

12h 58m
LHR

London Heathrow

PHL

Philadelphia

2 stops

26h 46m
$653

Air France

View Deal

Deal found 5/25/22

  • Air France is one of the most popular airlines used for those traveling from Philadelphia to London. Flights on this route from Air France typically cost $871.24 RT, a price that is 74% cheaper than the average Philadelphia to London flight. The cheapest flight found was $582 RT. When traveling from Philadelphia to London on Air France, the most popular airport to depart from is Philadelphia Airport and the most popular airport to arrive at is London Heathrow Airport. When flying from Philadelphia to London, Air France flights are 1% more popular than any other airline flying that same route.

Non-stop flights to London from Philadelphia

Save time with Philadelphia to London direct flight deals
Oct 11 - Oct 18
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 10m
LHR

London Heathrow

PHL

Philadelphia

Nonstop

7h 55m
$773

Finnair

View Deal

Deal found 5/22/22

Sep 27 - Oct 19
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 10m
LHR

London Heathrow

PHL

Philadelphia

Nonstop

7h 55m
$774

British Airways

View Deal

Deal found 5/24/22

Nov 9 - Nov 16
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 15m
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 40m
$777

British Airways

View Deal

Deal found 5/24/22

Last minute flights from Philadelphia to London

Late deals on return flights to London from Philadelphia, departing today and this week
May 30 - Jun 8
PHL

Philadelphia

STN

London Stansted

1 stop

15h 45m
STN

London Stansted

PHL

Philadelphia

1 stop

18h 00m
$728

Multiple Airlines

View Deal

Deal found 5/22/22

May 30 - Jun 8
PHL

Philadelphia

LGW

London Gatwick

1 stop

15h 00m
LGW

London Gatwick

PHL

Philadelphia

1 stop

11h 20m
$731

Multiple Airlines

View Deal

Deal found 5/22/22

May 30 - Jun 9
PHL

Philadelphia

LGW

London Gatwick

1 stop

15h 00m
LGW

London Gatwick

PHL

Philadelphia

1 stop

15h 35m
$732

Multiple Airlines

View Deal

Deal found 5/22/22

One-way flights to London All airports from Philadelphia

The cheapest one-way flights from Philadelphia to London
Jul 11
PHL

Philadelphia

STN

London Stansted

2 stops

34h 35m
$276

Multiple Airlines

View Deal

Deal found 5/25/22

Jul 11
PHL

Philadelphia

LTN

London Luton

3 stops

58h 45m
$282

Multiple Airlines

View Deal

Deal found 5/25/22

Jun 29
PHL

Philadelphia

STN

London Stansted

2 stops

27h 10m
$297

Multiple Airlines

View Deal

Deal found 5/24/22

Related info for your journey

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

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

If you book a flight to London from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 16 flights from Philadelphia to London per day from 16 different airlines.

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

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

Can I find flights from Philadelphia to London for under $600 on Cheapflights?

Yes, there are multiple flights from Philadelphia to London for under $600. The cheapest flight booked recently is on Multiple Airlines for just $595, but on average you can expect to pay $614.

Are there nonstop flights from Philadelphia to London for under $800 on Cheapflights?

Cheapflights has at least 20 direct flights from Philadelphia to London under $800. A good price for a nonstop flight from Philadelphia to London is less than $808.

Are there last-minute flights available from Philadelphia to London for under $800?

There are currently 20+ open flights from Philadelphia to London within the next 7 days for less than $800.

What days are nonstop flights available from Philadelphia to London?

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

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

Travelers can expect 7 flights from Philadelphia to London on average per day.
Evening (6pm - Midnight) - 100% of flight departures

How long is the flight from Philadelphia to London?

Airlines like Aer Lingus and Air France fly from Philadelphia to London in about 10h 40m. The time it takes to get you to your destination can typically vary by up to 8h 30m. The distance from Philadelphia to London is about 3555 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Flying on Aer Lingus is currently your cheapest option to London, with prices starting at $604. Another option worth looking into is Air France, starting at $641 round trip. These flights start at 9% lower than the current average price 3 months from now.

What are the most popular routes from Philadelphia to London?

Most travelers choose Philadelphia - London Heathrow, Philadelphia - London Gatwick or Philadelphia - London City when deciding on the best route from Philadelphia to London.

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

Consider American Airlines, Air Canada or Air France when booking your flight. These represent the most popular airlines when flying from Philadelphia to London.

What are the most reliable airlines from Philadelphia to London?

The top 3 most reliable airlines when flying from Philadelphia to London are Qatar Airways (87%), Malaysia Airlines (87%) and EL AL (87%).

What are the cheapest flights from Philadelphia to London?

On average you can expect to pay $1,865 for a flight from Philadelphia to London. The cheapest flight overall is $340 while the most popular route, (Philadelphia - London Heathrow) is currently priced at $668.

Alternative routes for Philadelphia to London

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

Top 5 airlines flying from Philadelphia to London

The chart below displays the airlines Cheapflights users traveling from Philadelphia to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$11Average$21FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
IcelandairCheapest$407Average$734FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Icelandair flights
IberiaCheapest$432Average$786FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Iberia flights
United AirlinesCheapest$509Average$749FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$526Average$1,027FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights

Hourly flight availability from Philadelphia to London

See what time of day planes typically take off from Philadelphia to London
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
17%of flight departuresAfternoonNoon to 6 pm
82%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Philadelphia to London

See how many times per day planes take to the skies headed from Philadelphia to London
Sunday13daily flights
Monday19daily flights
Tuesday19daily flights
Wednesday19daily flights
Thursday17daily flights
Friday19daily flights
Saturday7daily flights