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 35m. Fly via United Airlines, Scandinavian Airlines, or Aer Lingus to get the fastest option. Airlines will cover a distance of 3437 mi. This flight may include one or multiple stops.

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

The cheapest airline one-way is Finnair, with whom users have recently found tickets for as low as £321. However, be on the lookout for offers from Aer Lingus and British Airways, as they are both options that can get you from United Kingdom to Philadelphia for a low price.

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

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 cheapest flights from United Kingdom to Philadelphia?

While on average a flight from United Kingdom to Philadelphia is generally £1,638, our data shows the cheapest flight currently is £399. When looking at the most popular route, (London Heathrow - Philadelphia), you can expect to pay £486 for that flight.

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 Malaysia Airlines (89%), American Airlines (83%) and Finnair (83%).

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

Consider British Airways, Aer Lingus or Finnair when booking your flight. These represent the most popular airlines when flying from United Kingdom to Philadelphia.

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.

Can I find deals for flights from United Kingdom to Philadelphia that include hotel bookings?

Yes. In addition to deals on United Kingdom to Philadelphia flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from United Kingdom to Philadelphia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Philadelphia.

Can I find deals for business class flights from United Kingdom to Philadelphia?

Yes. Cheapflights offers flight deals from United Kingdom to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£296+ Cheap Flights from the United Kingdom to Philadelphia

Cheap flight deals from United Kingdom to Philadelphia

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from United Kingdom to Philadelphia
Explore the most affordable flight options available from United Kingdom to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2026.

Sun 11/1007:00 -

1 stop16h 55m

Sun 18/1020:25 -

1 stop10h 00m

Deal found 27/8£484

Wed 30/911:30 -

1 stop11h 18m

Tue 6/1015:57 -

1 stop13h 03m

Deal found 27/8£510

Thu 10/911:40 -

1 stop12h 15m

Sun 13/920:25 -

1 stop9h 35m

Deal found 27/8£518

Tue 6/1015:10 -

2 stops32h 45m

Tue 13/1020:25 -

1 stop18h 15m

Deal found 27/8£525

Sun 11/1010:25 -

1 stop13h 30m

Sun 18/1020:25 -

1 stop10h 15m

Deal found 27/8£525

Tue 6/1013:05 -

1 stop10h 50m

Tue 13/1020:25 -

1 stop12h 00m

Deal found 22/8£530

Thu 8/1006:00 -

1 stop17h 55m

Thu 15/1020:25 -

1 stop11h 25m

Deal found 23/8£531

Wed 30/912:00 -

1 stop11h 55m

Sun 4/1020:25 -

1 stop15h 25m

Deal found 27/8£533

Sun 11/1008:10 -

1 stop15h 45m

Sun 18/1020:25 -

1 stop10h 05m

Deal found 27/8£535

Mon 23/1106:00 -

1 stop15h 10m

Wed 2/1217:40 -

1 stop10h 25m

Deal found 24/8£541

Wed 7/1007:55 -

1 stop16h 00m

Tue 13/1020:25 -

1 stop12h 00m

Deal found 25/8£542

Wed 7/1007:20 -

1 stop16h 35m

Sun 11/1020:25 -

1 stop15h 35m

Deal found 25/8£542

Best flights from United Kingdom to Philadelphia
Discover carefully curated flight deals from United Kingdom to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Fri 9/1007:25 -

1 stop16h 30m

Fri 16/1020:25 -

1 stop12h 10m

Deal found 25/8£544

Mon 5/1007:30 -

1 stop13h 35m

Mon 12/1007:00 -

2 stops33h 00m

Deal found 24/8£582

Tue 6/1007:05 -

3 stops20h 02m

Thu 5/1111:00 -

3 stops25h 00m

Deal found 26/8£600

Mon 14/1208:35 -

1 stop12h 35m

Sun 3/117:40 -

1 stop9h 25m

Deal found 25/8£639

Fri 9/1005:55 -

2 stops20h 37m

Fri 16/1018:55 -

2 stops17h 30m

Deal found 25/8£648

Mon 14/910:00 -

2 stops17h 21m

Mon 21/920:04 -

2 stops39h 36m

Deal found 27/8£654

Thu 22/1010:35 -

2 stops27h 57m

Sun 25/1010:27 -

2 stops19h 23m

Deal found 26/8£677

Thu 26/1106:50 -

1 stop12h 15m

Wed 2/1220:50 -

1 stop10h 30m

Deal found 22/8£682

Fri 9/1010:05 -

2 stops17h 02m

Fri 16/1012:25 -

2 stops23h 30m

Deal found 24/8£749

Fri 9/1006:10 -

3 stops21h 36m

Fri 16/1017:40 -

2 stops21h 50m

Deal found 25/8£589

Sat 3/1006:50 -

2 stops16h 52m

Fri 16/1010:05 -

1 stop18h 55m

Deal found 25/8£593

Tue 6/1009:35 -

2 stops17h 32m

Tue 13/1012:25 -

3 stops18h 40m

Deal found 22/8£613

Wed 7/1009:15 -

1 stop11h 50m

Wed 14/1017:40 -

1 stop19h 15m

Deal found 23/8£655

Mon 21/908:15 -

2 stops14h 33m

Mon 28/920:25 -

1 stop11h 20m

Deal found 22/8£600

Fri 18/908:45 -

1 stop15h 10m

Mon 21/920:25 -

1 stop19h 10m

Deal found 24/8£662

Wed 23/911:45 -

2 stops15h 36m

Tue 20/1017:29 -

2 stops13h 36m

Deal found 23/8£667

Wed 9/1209:35 -

3 stops38h 08m

Mon 14/1209:30 -

3 stops30h 05m

Deal found 27/8£677

Sat 21/1117:30 -

1 stop27h 35m

Thu 26/1110:30 -

2 stops19h 50m

Deal found 22/8£617

Mon 2/1108:40 -

1 stop11h 45m

Mon 16/1120:50 -

1 stop16h 45m

Deal found 23/8£683

Fri 13/1106:40 -

2 stops20h 42m

Fri 20/1109:00 -

3 stops22h 55m

Deal found 25/8£628

Mon 28/909:15 -

1 stop11h 50m

Mon 5/1017:40 -

1 stop19h 15m

Deal found 26/8£659

Wed 7/1016:25 -

2 stops35h 18m

Wed 21/1010:45 -

2 stops18h 00m

Deal found 22/8£678

Wed 16/906:30 -

1 stop17h 25m

Sun 20/920:25 -

1 stop13h 05m

Deal found 27/8£617

Tue 22/905:55 -

2 stops22h 17m

Tue 29/917:00 -

2 stops15h 40m

Deal found 25/8£681

Wed 30/907:00 -

1 stop11h 45m

Wed 28/1018:40 -

1 stop11h 45m

Deal found 27/8£688

Sat 19/915:30 -

1 stop29h 35m

Sat 26/910:50 -

2 stops53h 10m

Deal found 22/8£627

Wed 11/1107:05 -

3 stops22h 50m

Wed 18/1114:12 -

2 stops20h 48m

Deal found 25/8£633

Wed 9/1218:15 -

1 stop26h 50m

Sun 13/1217:40 -

1 stop10h 35m

Deal found 25/8£675

Mon 28/908:10 -

2 stops14h 38m

Tue 29/906:00 -

2 stops20h 40m

Deal found 27/8£751

Thu 8/1007:20 -

2 stops20h 26m

Mon 12/1010:05 -

3 stops27h 45m

Deal found 22/8£623

Find flight deals from United Kingdom to Philadelphia

Round-trip from	£484
One-way from	£296
Popular in	August
Cheapest in	January
Average price	£825
Good round-trip deal	£616 or less
Good one-way deal	£512 or less

11/10-18/10
2 total stops
26h 55m total
United Kingdom to Philadelphia

Search Deals

19/10
3 total stops
41h 45m total
United Kingdom to Philadelphia

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£56 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Price to beat on a round-trip flight from United Kingdom to Philadelphia.

Search Deals

Price to beat on a one-way flight from United Kingdom to Philadelphia.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowPhiladelphia

GLA Glasgow Intl - PHL Philadelphia

GLAPHL

Glasgow Intl

Fri 9/10

07:25-18:55

1 stop16h 30m

Philadelphia

Fri 16/10

20:25-13:35

1 stop12h 10m

£544

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Mon 5/10

07:30-16:05

1 stop13h 35m

Philadelphia

Mon 12/10

07:00-21:00

2 stops33h 00m

£582

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Fri 9/10

06:10-22:46

3 stops21h 36m

Philadelphia

Fri 16/10

17:40-20:30

2 stops21h 50m

£589

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Sat 3/10

06:50-18:42

2 stops16h 52m

Philadelphia

Fri 16/10

10:05-10:00

1 stop18h 55m

£593

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Tue 6/10

07:05-22:07

3 stops20h 02m

Philadelphia

Thu 5/11

11:00-17:00

3 stops25h 00m

£600

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Mon 21/9

08:15-17:48

2 stops14h 33m

Philadelphia

Mon 28/9

20:25-12:45

1 stop11h 20m

£600

ManchesterPhiladelphia

MAN Manchester - PHL Philadelphia

MANPHL

Manchester

Tue 6/10

09:35-22:07

2 stops17h 32m

Philadelphia

Tue 13/10

12:25-12:05

3 stops18h 40m

£613

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 16/9

06:30-18:55

1 stop17h 25m

Philadelphia

Sun 20/9

20:25-14:30

1 stop13h 05m

£617

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Sat 21/11

17:30-16:05

1 stop27h 35m

Philadelphia

Thu 26/11

10:30-11:20

2 stops19h 50m

£617

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Thu 8/10

07:20-22:46

2 stops20h 26m

Philadelphia

Mon 12/10

10:05-18:50

3 stops27h 45m

£623

Flights are sorted by cheapest return flights first.

Deals found on 22/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from United Kingdom to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from United Kingdom with our price prediction graph.

MAN-PHL

LHR-PHL

BHX-PHL

LCY-PHL

EDI-PHL

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Philadelphia

GB0-PHL

MAN-PHL

LHR-PHL

BHX-PHL

LCY-PHL

What is the cheapest month to book a flight from United Kingdom to Philadelphia?

Currently, November is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of £589). Flying from United Kingdom to Philadelphia in August is currently the most expensive (average of £829). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GB to 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.

Weekly flight availability from United Kingdom to Philadelphia

The most flights from GB0 to PHL are scheduled on a Monday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 on average).

How often are flights from the United Kingdom to Philadelphia delayed?

About 16% of weekly flights between United Kingdom and Philadelphia have experienced delays in the past year, with the average delay time being 154 minutes.

What is the most punctual flight time for the United Kingdom to Philadelphia flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United Kingdom to Philadelphia flights?

Over the past year, American Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.

How far ahead should I book a flight from United Kingdom to Philadelphia?

To ensure you get the cheapest price possible for a flight from United Kingdom to Philadelphia, you should look to book at least 11 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Philadelphia

See what other customers who have flown with Finnair,Aer Lingus, andAmerican Airlines from the United Kingdom to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Finnair

7.6

Good

1,430 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Finnair

7.6

Good

1,430 reviews

Finnair

7.6

Good

1,430 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jake,Jun 2026

RNO - SEA

Aer Lingus

7.3

Good

1,731 reviews

Finnair

7.6

Good

1,430 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jake,Jun 2026

RNO - SEA

American Airlines

7.1

Good

12,022 reviews

Finnair

7.6

Good

1,430 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jake,Jun 2026

RNO - SEA

JetBlue

7.1

Good

3,037 reviews

Finnair

7.6

Good

1,430 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jake,Jun 2026

RNO - SEA

British Airways

6.7

Okay

8,191 reviews

Finnair

7.6

Good

1,430 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jake,Jun 2026

RNO - SEA

Related info for your journey

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.
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 35m. Fly via United Airlines, Scandinavian Airlines, or Aer Lingus to get the fastest option. Airlines will cover a distance of 3437 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from United Kingdom to Philadelphia one-way?
The cheapest airline one-way is Finnair, with whom users have recently found tickets for as low as £321. However, be on the lookout for offers from Aer Lingus and British Airways, as they are both options that can get you from United Kingdom to Philadelphia for a low price.
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 reliable airlines from United Kingdom to Philadelphia?
The top 3 most reliable airlines when flying from United Kingdom to Philadelphia are Malaysia Airlines (89%), American Airlines (83%) and Finnair (83%).
What are the cheapest flights from United Kingdom to Philadelphia?
While on average a flight from United Kingdom to Philadelphia is generally £1,638, our data shows the cheapest flight currently is £399. When looking at the most popular route, (London Heathrow - Philadelphia), you can expect to pay £486 for that flight.
Can I find deals for flights from United Kingdom to Philadelphia that include hotel bookings?
Yes. In addition to deals on United Kingdom to Philadelphia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Philadelphia.
Can I find deals for business class flights from United Kingdom to Philadelphia?
Yes. Cheapflights offers flight deals from United Kingdom to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from United Kingdom to Philadelphia?
Currently, November is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of £589). Flying from United Kingdom to Philadelphia in August is currently the most expensive (average of £829). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

King of Prussia

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Direct flights to Pennsylvania

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Popular flights

Top destinations

Alternative routes for United Kingdom to Philadelphia

Heathrow to John F Kennedy Intl flights

Heathrow to Newark flights

Heathrow to LaGuardia flights

London City to John F Kennedy Intl flights

Stansted to John F Kennedy Intl flights

Gatwick to Newark flights

Gatwick to John F Kennedy Intl flights

Luton to John F Kennedy Intl flights

Stansted to Newark flights

London City to Newark flights

Gatwick to LaGuardia flights

Luton to Newark flights

Manchester to John F Kennedy Intl flights

Heathrow to Dulles Intl flights

Manchester to Newark flights

Manchester to LaGuardia flights

Edinburgh to Newark flights

London City to Dulles Intl flights

Stansted to Dulles Intl flights

Heathrow to Reagan-National flights

Gatwick to Dulles Intl flights

Heathrow to Philadelphia flights

Edinburgh to John F Kennedy Intl flights

Luton to Dulles Intl flights

London City to LaGuardia flights

Gatwick to Reagan-National flights

Birmingham to John F Kennedy Intl flights

Edinburgh to LaGuardia flights

Glasgow Intl to Newark flights

Birmingham to Newark flights

Heathrow to Pittsburgh flights

Stansted to LaGuardia flights

Gatwick to Philadelphia flights

London City to Philadelphia flights

Birmingham to LaGuardia flights

Glasgow Intl to John F Kennedy Intl flights

Edinburgh to Dulles Intl flights

Luton to LaGuardia flights

Glasgow Intl to LaGuardia flights

Newcastle upon Tyne to John F Kennedy Intl flights

Dublin to LaGuardia flights

Southend to John F Kennedy Intl flights

Stansted to Philadelphia flights

Luton to Philadelphia flights

London City to Reagan-National flights

Manchester to Dulles Intl flights

Newcastle upon Tyne to LaGuardia flights

Southampton to John F Kennedy Intl flights

Dublin to John F Kennedy Intl flights

Southampton to Newark flights

Top 7 airlines flying from United Kingdom to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£213	Average£625	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
JetBlue	Cheapest£414	Average£563	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Finnair	Cheapest£448	Average£683	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Aer Lingus	Cheapest£458	Average£675	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
American Airlines	Cheapest£458	Average£746	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
British Airways	Cheapest£464	Average£702	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Iberia	Cheapest£468	Average£792	FlexibilityNo cancel fee	On-time77%	Search Iberia flights

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to Philadelphia?

When you search for this flight from United Kingdom to Philadelphia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Philadelphia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Philadelphia.

Can Cheapflights find flights from United Kingdom to Philadelphia with no change fees?

Yes! Cheapflights helps users easily find flights from United Kingdom to Philadelphia with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to Philadelphia become cheaper?

Of course! You can now track prices for flights from United Kingdom to Philadelphia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from the United Kingdom to Philadelphia from £296

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Philadelphia

Cheapest flights from United Kingdom to PhiladelphiaExplore the most affordable flight options available from United Kingdom to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2026.

Explore the most affordable flight options available from United Kingdom to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2026.

Best flights from United Kingdom to PhiladelphiaDiscover carefully curated flight deals from United Kingdom to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Discover carefully curated flight deals from United Kingdom to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Direct flights from United Kingdom to PhiladelphiaExplore direct flight options from United Kingdom to Philadelphia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 August 2026.

Explore direct flight options from United Kingdom to Philadelphia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 August 2026.

Last-minute flights from United Kingdom to PhiladelphiaDiscover last-minute flight deals from United Kingdom to Philadelphia. Data last updated 28 August 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Philadelphia. Data last updated 28 August 2026 and is based on user searches.

One-way flights from United Kingdom to PhiladelphiaSearch for one-way flight options from United Kingdom to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.

Search for one-way flight options from United Kingdom to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.

Find flight deals from United Kingdom to Philadelphia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Philadelphia that are best for you.

Best time to book a flight from United Kingdom to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from United Kingdom with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from United Kingdom to Philadelphia?

What is the cheapest time of day to fly from GB to PHL?

Find hourly flight availability from United Kingdom to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 August 2026.

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.

Weekly flight availability from United Kingdom to Philadelphia

The most flights from GB0 to PHL are scheduled on a Monday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 on average).

How often are flights from the United Kingdom to Philadelphia delayed?

About 16% of weekly flights between United Kingdom and Philadelphia have experienced delays in the past year, with the average delay time being 154 minutes.

What is the most punctual flight time for the United Kingdom to Philadelphia flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United Kingdom to Philadelphia flights?

Over the past year, American Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.

How far ahead should I book a flight from United Kingdom to Philadelphia?

To ensure you get the cheapest price possible for a flight from United Kingdom to Philadelphia, you should look to book at least 11 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Philadelphia

See what other customers who have flown with Finnair,Aer Lingus, andAmerican Airlines from the United Kingdom to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from United Kingdom to Philadelphia?

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

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

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

What are the cheapest flights from United Kingdom to Philadelphia?

Can I find deals for flights from United Kingdom to Philadelphia that include hotel bookings?

How can I find direct flights from United Kingdom to Philadelphia?

Can I find deals for business class flights from United Kingdom to Philadelphia?

What is the cheapest month to book a flight from United Kingdom to Philadelphia?

Travelling to a place near Philadelphia?

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Alternative routes for United Kingdom to Philadelphia

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Complete your trip

Complete your trip to Philadelphia by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Pennsylvania

Book a non-stop flight to one of these other cities located in Pennsylvania.

Search flights from United Kingdom to Philadelphia by cabin class

Find flights from United Kingdom to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

United Kingdom and Philadelphia flights

Browse other United Kingdom and Philadelphia flight options. Last updated on 28 August 2026.

Other flights to Philadelphia

Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

United Kingdom to Philadelphia flights

Consider these flights travelling from United Kingdom to Philadelphia.

Top 7 airlines flying from United Kingdom to Philadelphia

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Cheapest flights from United Kingdom to Philadelphia
Explore the most affordable flight options available from United Kingdom to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2026.

Best flights from United Kingdom to Philadelphia
Discover carefully curated flight deals from United Kingdom to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Direct flights from United Kingdom to Philadelphia
Explore direct flight options from United Kingdom to Philadelphia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 August 2026.

Last-minute flights from United Kingdom to Philadelphia
Discover last-minute flight deals from United Kingdom to Philadelphia. Data last updated 28 August 2026 and is based on user searches.

One-way flights from United Kingdom to Philadelphia
Search for one-way flight options from United Kingdom to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.