Cheap flights from the United Kingdom to Philadelphia

LHR — PHL
24 May — 31 May1
Return
1 adult
Economy
From?
To?
Tue 24/5
Tue 31/5

How far in advance should I book a flight from United Kingdom 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 United Kingdom to Philadelphia 1-2 weeks in advance for as low as £451, or £553 for flights within the next 24 hours.

What is the cheapest month to fly from United Kingdom to Philadelphia?

February is one of the best times of the year to fly to Philadelphia from United Kingdom. Prices for February average £426 per person but you can even find prices for as low as £309. 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 United Kingdom to Philadelphia (GB - PHL)?

When flying from United Kingdom to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from United Kingdom to Philadelphia in May, June 2022

The best prices found for United Kingdom to PHL flights in May, June
7 Jun - 14 Jun
GLA

Glasgow Intl

PHL

Philadelphia

2 stops

17h 39m
PHL

Philadelphia

GLA

Glasgow Intl

2 stops

17h 15m
£401

KLM

View Deal

Deal found 19/5/22

13 Jun - 13 Sep
LHR

London Heathrow

PHL

Philadelphia

1 stop

29h 51m
PHL

Philadelphia

LHR

London Heathrow

1 stop

9h 55m
£422

Air Canada

View Deal

Deal found 17/5/22

6 Jun - 4 Aug
LHR

London Heathrow

PHL

Philadelphia

1 stop

29h 51m
PHL

Philadelphia

LHR

London Heathrow

1 stop

20h 05m
£424

Air Canada

View Deal

Deal found 17/5/22

United Kingdom to Philadelphia 2022 flight deals

Cheap flights to Philadelphia from United Kingdom found for this year
9 Aug - 17 Aug
BHX

Birmingham

PHL

Philadelphia

2 stops

16h 31m
PHL

Philadelphia

BHX

Birmingham

2 stops

27h 00m
£401

Multiple Airlines

View Deal

Deal found 19/5/22

7 Jun - 14 Jun
GLA

Glasgow Intl

PHL

Philadelphia

2 stops

17h 39m
PHL

Philadelphia

GLA

Glasgow Intl

2 stops

17h 15m
£401

KLM

View Deal

Deal found 19/5/22

20 Nov - 30 Nov
LHR

London Heathrow

PHL

Philadelphia

2 stops

13h 44m
PHL

Philadelphia

LHR

London Heathrow

1 stop

10h 45m
£408

Multiple Airlines

View Deal

Deal found 19/5/22

Cheap KLM flights from United Kingdom to Philadelphia

7 Jun - 14 Jun
GLA

Glasgow Intl

PHL

Philadelphia

2 stops

17h 39m
PHL

Philadelphia

GLA

Glasgow Intl

2 stops

17h 15m
£401

KLM

View Deal

Deal found 19/5/22

1 Sep - 15 Sep
GLA

Glasgow Intl

PHL

Philadelphia

2 stops

21h 59m
PHL

Philadelphia

GLA

Glasgow Intl

2 stops

22h 23m
£524

KLM

View Deal

Deal found 18/5/22

Cheap Lufthansa flights from United Kingdom to Philadelphia

16 Jun - 16 Aug
LHR

London Heathrow

PHL

Philadelphia

2 stops

13h 45m
PHL

Philadelphia

LHR

London Heathrow

1 stop

11h 55m
£437

Lufthansa

View Deal

Deal found 18/5/22

20 Jun - 4 Jul
LCY

London City

PHL

Philadelphia

1 stop

13h 20m
PHL

Philadelphia

LCY

London City

1 stop

17h 40m
£454

Lufthansa

View Deal

Deal found 17/5/22

6 Oct - 13 Oct
LCY

London City

PHL

Philadelphia

1 stop

11h 55m
PHL

Philadelphia

LCY

London City

1 stop

17h 40m
£461

Lufthansa

View Deal

Deal found 18/5/22

Direct flights to Philadelphia from United Kingdom

Save time with United Kingdom to Philadelphia direct flight deals
31 Aug - 16 Nov
LHR

London Heathrow

PHL

Philadelphia

Nonstop

7h 55m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 15m
£442

Finnair

View Deal

Deal found 17/5/22

24 Aug - 14 Sep
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 00m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

6h 57m
£460

Finnair

View Deal

Deal found 16/5/22

24 Aug - 14 Sep
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 00m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

6h 57m
£462

Finnair

View Deal

Deal found 17/5/22

Last-minute flights from United Kingdom to Philadelphia

Late deals on return flights to Philadelphia from United Kingdom, departing today and this week
25 May - 1 Jun
LHR

London Heathrow

PHL

Philadelphia

2 stops

17h 39m
PHL

Philadelphia

LHR

London Heathrow

2 stops

21h 24m
£516

United Airlines

View Deal

Deal found 17/5/22

26 May - 2 Jun
LHR

London Heathrow

PHL

Philadelphia

2 stops

18h 49m
PHL

Philadelphia

LHR

London Heathrow

2 stops

21h 24m
£521

United Airlines

View Deal

Deal found 19/5/22

25 May - 1 Jun
EDI

Edinburgh Turnhouse

PHL

Philadelphia

1 stop

15h 05m
PHL

Philadelphia

EDI

Edinburgh Turnhouse

2 stops

20h 59m
£530

Multiple Airlines

View Deal

Deal found 17/5/22

One-way flights to Philadelphia from United Kingdom

The cheapest one-way flights from United Kingdom to Philadelphia
9 Sep
STN

London Stansted

PHL

Philadelphia

3 stops

35h 04m
£235

Multiple Airlines

View Deal

Deal found 16/5/22

6 Jun
STN

London Stansted

PHL

Philadelphia

3 stops

55h 33m
£267

Multiple Airlines

View Deal

Deal found 17/5/22

4 Jul
LGW

London Gatwick

PHL

Philadelphia

2 stops

42h 11m
£273

Multiple Airlines

View Deal

Deal found 17/5/22

Related info for your journey

Useful info, stats and facts about United Kingdom to Philadelphia flights.

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

Located just 7.0 mi from the city center, Philadelphia (PHL) is the airport most travelers will use when flying to Philadelphia from United Kingdom.

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

Some of our airline partners flying from United Kingdom to Philadelphia have new flexible policies in place due to COVID-19. British Airways, Finnair, and Lufthansa are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like British Airways with this kind of flexibility.

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

Yes, there are multiple flights from United Kingdom to Philadelphia for under £500. The cheapest flight booked recently is on KLM for just £401, but on average you can expect to pay £419.

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

Cheapflights has at least 20 direct flights from United Kingdom to Philadelphia under £500. A good price for a nonstop flight from United Kingdom to Philadelphia is less than £483.

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

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

What days are nonstop flights available from United Kingdom to Philadelphia?

Nonstop flights can be found on the following days: Thursday.

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

2 flight departures from United Kingdom to Philadelphia per day on average.
Afternoon (Noon - 6pm) - 100% of flight departures

How long is the flight from United Kingdom to Philadelphia?

There are many flights that can get you from United Kingdom to Philadelphia in 12h 45m. Fly via KLM, United Airlines, or British Airways to get the fastest option. Airlines will cover a distance of 3555 mi. This flight may include one or multiple stops.

What are the most popular routes from United Kingdom to Philadelphia?

While some choose either London Gatwick - Philadelphia or London City - Philadelphia, London Heathrow - Philadelphia is the most popular route from United Kingdom to Philadelphia.

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

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

What are the most reliable airlines from United Kingdom to Philadelphia?

The top 3 most reliable airlines when flying from United Kingdom to Philadelphia are Qatar Airways (94%), Malaysia Airlines (94%) and EL AL (94%).

What are the cheapest flights from United Kingdom to Philadelphia?

While on average a flight from United Kingdom to Philadelphia is generally £917, our data shows the cheapest flight currently is £453. When looking at the most popular route, (London Heathrow - Philadelphia), you can expect to pay £400 for that flight.

Departure points for flights from United Kingdom to Philadelphia

Select to see more specific information for flights to Philadelphia from all departure points in United Kingdom

Top 5 airlines flying from United Kingdom to Philadelphia

The chart below displays the airlines Cheapflights users travelling from United Kingdom to Philadelphia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
LufthansaCheapest£293Average£493FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Lufthansa flights
Air FranceCheapest£300Average£395FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Air France flights
Aer LingusCheapest£321Average£515FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Aer Lingus flights
Virgin AtlanticCheapest£361Average£512FlexibilityNo cancel feeOn-time72%COVID-19 safety
Search Virgin Atlantic flights
Air CanadaCheapest£377Average£521FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights

Hourly flight availability from United Kingdom to Philadelphia

See what time of day planes typically take off from United Kingdom to Philadelphia
1%of flight departuresEarly morningMidnight to 6 am
32%of flight departuresMorning6 am to noon
67%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM