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$366+ Cheap flights from the United Kingdom to Philadelphia (PHL)

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHL
Jul 4 — Jul 111
Sat 7/4
Sat 7/11
1 adult, Economy
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Cheap flight deals from United Kingdom to Philadelphia

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 June 4, 2026.

This Trip.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:20 pm
BHX
-
PHL
1 stop11h 35m
Aer Lingus
Tue 6/238:25 pm
PHL
-
BHX
1 stop18h 30m
Aer Lingus
Deal found 6/1$675
This TravelUp deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:30 am
EDI
-
PHL
1 stop13h 30m
JetBlue
Tue 7/149:20 am
PHL
-
EDI
1 stop19h 40m
JetBlue
Deal found 5/31$680
This TravelUp deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:30 am
EDI
-
PHL
1 stop13h 30m
JetBlue
Sun 7/129:12 am
PHL
-
EDI
1 stop19h 48m
JetBlue
Deal found 6/1$704
This TravelUp deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2811:30 am
EDI
-
PHL
1 stop25h 08m
JetBlue
Mon 8/39:20 am
PHL
-
EDI
1 stop19h 40m
JetBlue
Deal found 5/31$716
This Cheapflightsfares deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:30 am
EDI
-
PHL
1 stop13h 30m
JetBlue
Mon 7/139:20 am
PHL
-
EDI
1 stop19h 40m
JetBlue
Deal found 6/3$721
This Expedia deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:30 am
EDI
-
PHL
1 stop25h 14m
JetBlue
Thu 7/98:50 am
PHL
-
EDI
1 stop20h 10m
JetBlue
Deal found 6/3$726
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:55 am
EDI
-
PHL
1 stop16h 00m
Multiple Airlines
Mon 6/228:25 pm
PHL
-
EDI
1 stop16h 05m
Multiple Airlines
Deal found 6/4$727
This TravelUp deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:30 am
EDI
-
PHL
1 stop13h 35m
JetBlue
Thu 7/239:20 am
PHL
-
EDI
1 stop19h 40m
JetBlue
Deal found 6/4$734
This deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:50 am
MAN
-
PHL
1 stop10h 50m
British Airways
Sat 9/196:45 pm
PHL
-
MAN
1 stop10h 00m
British Airways
Deal found 6/4$740
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:45 am
GLA
-
PHL
1 stop11h 15m
Multiple Airlines
Wed 11/185:30 pm
PHL
-
GLA
1 stop15h 00m
Multiple Airlines
Deal found 6/4$742
This Cheapflightsfares deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:30 am
EDI
-
PHL
1 stop13h 30m
JetBlue
Mon 8/39:20 am
PHL
-
EDI
1 stop19h 40m
JetBlue
Deal found 5/31$756
This Justfly.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:30 am
EDI
-
PHL
1 stop13h 35m
JetBlue
Mon 8/39:20 am
PHL
-
EDI
1 stop19h 40m
JetBlue
Deal found 5/31$761

Find flight deals from United Kingdom to Philadelphia

Keep the following information in mind while searching for United Kingdom to Philadelphia flight deals. Data was last updated June 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$675
(Trip.com)

One-way from

$366
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$816

Good round-trip deal

$848 or less

Good one-way deal

$732 or less
Provider with most accurate pricing for London (LON)-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Philadelphia flights.
Search Deals
From United Kingdom to Philadelphia
Search Deals
One-way flight from United Kingdom to Philadelphia
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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

 
Customize your flight search to find flights from United Kingdom to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 4, 2026.
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 round-trip

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Tue 11/17

6:05 am-1:50 pm

1 stop12h 45m

Philadelphia

Mon 11/23

6:35 pm-12:10 pm

1 stop12h 35m

$856
Quickest round-trip

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Thu 11/5

6:50 am-2:05 pm

1 stop12h 15m

Philadelphia

Tue 11/10

8:40 pm-12:20 pm

1 stop10h 40m

$866

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Tue 8/25

12:00 pm-6:55 pm

1 stop11h 55m

Philadelphia

Thu 9/10

6:45 pm-1:35 pm

1 stop13h 50m

$867

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Fri 9/4

5:15 pm-4:10 pm

1 stop27h 55m

Philadelphia

Tue 9/8

6:30 pm-1:40 pm

1 stop14h 10m

$870

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Thu 6/25

5:55 am-5:22 pm

2 stops16h 27m

Philadelphia

Mon 7/6

5:22 pm-1:40 pm

2 stops15h 18m

$873

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 10/14

12:05 pm-9:50 am

2 stops26h 45m

Philadelphia

Tue 10/20

3:25 pm-3:35 pm

2 stops19h 10m

$883

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 7/6

7:30 am-6:54 pm

2 stops16h 24m

Philadelphia

Mon 7/27

3:10 pm-9:20 am

2 stops13h 10m

$886

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Tue 10/13

7:15 pm-4:05 pm

2 stops25h 50m

Philadelphia

Tue 10/20

11:20 am-8:40 am

2 stops16h 20m

$888

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 10/16

10:35 am-9:50 am

2 stops28h 15m

Philadelphia

Tue 10/20

10:45 am-9:45 am

2 stops18h 00m

$892

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 10/16

10:35 am-9:50 am

2 stops28h 15m

Philadelphia

Fri 10/23

6:00 am-3:40 pm

2 stops28h 40m

$892

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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6

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.
Estimated round-trip 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

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

Currently, February is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of $360). Flying from United Kingdom to Philadelphia in May is currently the most expensive (average of $1,804). 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?

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 June 4, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Philadelphia as you normally would.

Weekly flight availability from United Kingdom to Philadelphia

Explore weekly flight availability from United Kingdom to Philadelphia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 4, 2026.

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 18% of weekly flights between United Kingdom and Philadelphia have experienced delays in the past year, with the average delay time being 172 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 Tuesday 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 last year, British Airways have had the lowest number of delays on this route, with just 18% of flights being delayed.

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

Booking 11 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated June 4, 2026.
Get a feel of what it's like to fly with Aer Lingus,American Airlines, andIberia from the United Kingdom to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,594 reviews

Entertainment

7.0

Overall

7.3

Crew

8.1

Food

6.7

Comfort

7.2

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.
Aer Lingus
7.3
Good
1,594 reviews
Aer Lingus
7.3
Good
1,594 reviews

Entertainment

7.0

Overall

7.3

Crew

8.1

Food

6.7

Comfort

7.2

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.
American Airlines
7.1
Good
11,640 reviews
Aer Lingus
7.3
Good
1,594 reviews

Entertainment

7.0

Overall

7.3

Crew

8.1

Food

6.7

Comfort

7.2

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.
Iberia
7.0
Good
3,224 reviews
Aer Lingus
7.3
Good
1,594 reviews

Entertainment

7.0

Overall

7.3

Crew

8.1

Food

6.7

Comfort

7.2

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.
British Airways
6.7
Okay
8,026 reviews
Aer Lingus
7.3
Good
1,594 reviews

Entertainment

7.0

Overall

7.3

Crew

8.1

Food

6.7

Comfort

7.2

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly into when you book flights from United Kingdom to Philadelphia.

  • How long is the flight from United Kingdom to Philadelphia?

    A quick flight from United Kingdom to Philadelphia can take about 10h 50m. British Airways provides one of the quickest options available for as low as $740. The distance from United Kingdom to Philadelphia is about 3422 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $426. Aer Lingus flights start at $479 while deals on American Airlines start at $490 one-way.

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

    The most popular flight routes from United Kingdom to Philadelphia are London Heathrow - Philadelphia, London Gatwick - Philadelphia and London City - Philadelphia.

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

    No one likes to see their flight delayed. When booking a flight from United Kingdom to Philadelphia consider choosing Malaysia Airlines (87%), American Airlines (83%) or Finnair (83%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from United Kingdom to Philadelphia?

    The cheapest flight price from United Kingdom to Philadelphia is $634. On average you can expect to pay $1,007. The most popular route, (London Heathrow - Philadelphia), can usually be booked for $694.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of $360). Flying from United Kingdom to Philadelphia in May is currently the most expensive (average of $1,804). 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Reading
Camden
Ocean City
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Milford
Plymouth Meeting
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from United Kingdom to Philadelphia

Discover the top 3 airlines that operate flights from United Kingdom to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$610Average$814FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$614Average$928FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$670Average$1,095FlexibilityNo cancel feeOn-timeN/A

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