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$281+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHL
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap 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 January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$601
(Kiwi.com)

One-way from

$281
(Norse)

Popular in

December

Cheapest in

January

Average price

$643

Good round-trip deal

$739 or less

Good one-way deal

$611 or less
Provider with most accurate pricing for London (LON)-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Philadelphia flights.
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From United Kingdom to Philadelphia
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One-way flight from United Kingdom to Philadelphia
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Highest demand for flights based on searches. 3% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from United Kingdom to Philadelphia.
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Price to beat on a one-way flight from United Kingdom to Philadelphia.
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Find 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 January 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Sun 4/128:55 pm
MAN
-
PHL
2 stops32h 47m
Multiple Airlines
Sun 4/198:25 pm
PHL
-
MAN
1 stop10h 05m
Multiple Airlines
Deal found 1/13$601
This deal was found by Cheapflights users on 1/13. 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.
Sat 5/169:00 am
EDI
-
PHL
1 stop11h 39m
Air Canada
Sat 5/304:20 pm
PHL
-
EDI
1 stop10h 00m
Air Canada
Deal found 1/13$603
This British Airways deal was found by Cheapflights users on 1/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2610:15 am
LHR
-
PHL
Nonstop8h 15m
British Airways
Mon 2/27:50 pm
PHL
-
LHR
Nonstop7h 00m
British Airways
Deal found 1/14$610
This British Airways deal was found by Cheapflights users on 1/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/307:50 am
LHR
-
PHL
1 stop11h 15m
British Airways
Wed 5/132:46 pm
PHL
-
LHR
1 stop12h 14m
British Airways
Deal found 1/14$611
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 4/138:00 am
MAN
-
PHL
2 stops21h 42m
Multiple Airlines
Sun 4/268:25 pm
PHL
-
MAN
1 stop10h 05m
Multiple Airlines
Deal found 1/13$611
This Delta deal was found by Cheapflights users on 1/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/266:30 am
LHR
-
PHL
2 stops15h 20m
Delta
Mon 2/212:29 pm
PHL
-
LHR
2 stops14h 36m
Delta
Deal found 1/13$612
This British Airways deal was found by Cheapflights users on 1/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:50 am
LHR
-
PHL
1 stop11h 15m
British Airways
Mon 2/96:35 pm
PHL
-
LHR
Nonstop7h 00m
British Airways
Deal found 1/12$613
This American Airlines deal was found by Cheapflights users on 1/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:05 pm
LHR
-
PHL
1 stop20h 27m
American Airlines
Thu 7/98:20 am
PHL
-
LHR
1 stop18h 40m
American Airlines
Deal found 1/14$614
This Norse deal was found by Cheapflights users on 1/13. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/22:00 pm
LGW
-
PHL
1 stop34h 48m
Multiple Airlines
Thu 2/58:43 pm
PHL
-
LGW
1 stop32h 17m
Multiple Airlines
Deal found 1/13$614
This Mytrip deal was found by Cheapflights users on 1/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/26:10 am
STN
-
PHL
3 stops21h 36m
Multiple Airlines
Thu 2/53:30 pm
PHL
-
STN
3 stops21h 00m
Multiple Airlines
Deal found 1/13$615
This British Airways deal was found by Cheapflights users on 1/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:40 am
LHR
-
PHL
1 stop12h 15m
British Airways
Wed 7/83:20 pm
PHL
-
LHR
1 stop13h 15m
British Airways
Deal found 1/14$615
This British Airways deal was found by Cheapflights users on 1/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:50 am
LHR
-
PHL
1 stop11h 00m
British Airways
Wed 5/62:46 pm
PHL
-
LHR
1 stop12h 14m
British Airways
Deal found 1/12$616

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 January 14, 2026.
Use the filters below to find and compare flights from the United Kingdom to Philadelphia that are best for you.

Fly from

United Kingdom

Fly to

Philadelphia

Route

Depart

Return

Price

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 1/26

6:30 am-4:50 pm

2 stops15h 20m

Philadelphia

Mon 2/2

12:29 pm-8:05 am

2 stops14h 36m

$612

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 2/5

7:50 am-2:05 pm

1 stop11h 15m

Philadelphia

Mon 2/9

7:50 pm-7:50 am

Nonstop7h 00m

$612

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sat 3/14

11:10 am-10:46 pm

1 stop15h 36m

Philadelphia

Fri 3/20

7:45 pm-7:10 am

2 stops31h 25m

$612

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 2/2

2:00 pm-7:48 pm

1 stop34h 48m

Philadelphia

Thu 2/5

8:43 pm-10:00 am

1 stop32h 17m

$614

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Fri 2/13

11:10 am-3:25 pm

1 stop33h 15m

Philadelphia

Sat 2/14

8:02 pm-7:55 am

2 stops30h 53m

$614

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Mon 2/2

6:10 am-10:46 pm

3 stops21h 36m

Philadelphia

Thu 2/5

3:30 pm-5:30 pm

3 stops21h 00m

$615

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sun 5/3

1:25 pm-6:55 pm

1 stop10h 30m

Philadelphia

Thu 5/7

5:55 pm-8:00 am

1 stop9h 05m

$616

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Fri 5/1

1:25 pm-6:55 pm

1 stop10h 30m

Philadelphia

Thu 5/7

5:55 pm-8:00 am

1 stop9h 05m

$616

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 5/4

8:50 am-2:50 pm

1 stop11h 00m

Philadelphia

Sat 5/9

2:46 pm-9:35 am

1 stop13h 49m

$616

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sat 5/2

1:25 pm-6:55 pm

1 stop10h 30m

Philadelphia

Wed 5/6

2:46 pm-8:00 am

1 stop12h 14m

$616

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 60 results
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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, July is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of $210). Flying from United Kingdom to Philadelphia in June is currently the most expensive (average of $426). 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 January 14, 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 January 14, 2026.

The most flights from GB0 to PHL are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

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

About 17% of weekly flights between United Kingdom and Philadelphia have experienced delays in the past year, with the average delay time being 174 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?

Wednesday 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 last year, British Airways have had the lowest number of delays on this route, with just 15% of flights being delayed.

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 January 14, 2026.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Aer Lingus 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.
United Airlines
7.4
Good
9,156 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,156 reviews
United Airlines
7.4
Good
9,156 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,120 reviews
United Airlines
7.4
Good
9,156 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Aer Lingus
7.2
Good
1,435 reviews
United Airlines
7.4
Good
9,156 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Iberia
7.0
Good
3,086 reviews
United Airlines
7.4
Good
9,156 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,671 reviews
United Airlines
7.4
Good
9,156 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 11h 15m. Delta provides one of the quickest options available for as low as $612. The distance from United Kingdom to Philadelphia is about 3533 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 Finnair, which is currently one of the cheapest options available, starting at $466. American Airlines flights start at $490 while deals on Aer Lingus start at $494 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, Edinburgh Turnhouse - Philadelphia and London Gatwick - 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 Aer Lingus (80%), American Airlines (79%) or Finnair (79%) 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 $482. On average you can expect to pay $1,476. The most popular route, (London Heathrow - Philadelphia), can usually be booked for $489.

  • 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, July is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of $210). Flying from United Kingdom to Philadelphia in June is currently the most expensive (average of $426). 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
Pottstown
Reading
Ocean City
King of Prussia
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Newark
Chester

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Alternative routes for United Kingdom to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from United Kingdom to Philadelphia

Discover the top 4 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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$559Average$741FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$592Average$814FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$609Average$781FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$670Average$1,084FlexibilityNo cancel feeOn-timeN/A

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