HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$309+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHL
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from United Kingdom to Philadelphia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 26, 2025.

This ChecknFly deal was found by Cheapflights users on 11/24. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:00 pmLHR - PHL
2 stops19h 43mFinnair
Wed 12/178:33 amPHL - LHR
1 stop19h 57mFinnair
Deal found 11/24$695
This TravelUp deal was found by Cheapflights users on 11/24. 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.
Wed 12/1010:05 amLHR - PHL
Nonstop8h 00mMultiple Airlines
Wed 12/175:30 pmPHL - LHR
1 stop9h 35mMultiple Airlines
Deal found 11/24$700
This oojo deal was found by Cheapflights users on 11/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:50 amLCY - PHL
1 stop14h 10mBritish Airways
Wed 12/175:30 pmPHL - LCY
1 stop11h 55mBritish Airways
Deal found 11/24$713
This TravelUp deal was found by Cheapflights users on 11/24. 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.
Thu 12/1110:05 amLHR - PHL
Nonstop8h 00mMultiple Airlines
Sun 12/149:19 pmPHL - LHR
1 stop28h 41mMultiple Airlines
Deal found 11/24$713
This ChecknFly deal was found by Cheapflights users on 11/24. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:55 amLHR - PHL
1 stop13h 19mFinnair
Sun 12/149:22 pmPHL - LHR
1 stop28h 58mFinnair
Deal found 11/24$715
This Air Canada deal was found by Cheapflights users on 11/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:00 amLHR - PHL
2 stops18h 46mAir Canada
Mon 12/153:30 pmPHL - LHR
1 stop10h 40mAir Canada
Deal found 11/24$717
This British Airways deal was found by Cheapflights users on 11/25. 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.
Wed 12/2410:15 amLHR - PHL
Nonstop8h 00mBritish Airways
Wed 1/76:35 pmPHL - LHR
Nonstop7h 00mBritish Airways
Deal found 11/25$719
This TravelUp deal was found by Cheapflights users on 11/26. 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.
Fri 12/510:05 amLHR - PHL
Nonstop8h 00mBritish Airways
Sun 12/77:51 pmPHL - LHR
Nonstop6h 59mBritish Airways
Deal found 11/26$721
This Trip.com deal was found by Cheapflights users on 11/24. 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.
Sat 12/69:20 amLHR - PHL
1 stop29h 19mJetBlue
Tue 12/94:32 pmPHL - LHR
1 stop9h 23mJetBlue
Deal found 11/24$722
This Trip.com deal was found by Cheapflights users on 11/26. 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.
Mon 12/86:50 amLCY - PHL
1 stop12h 10mMultiple Airlines
Mon 12/155:30 pmPHL - LCY
1 stop11h 55mMultiple Airlines
Deal found 11/26$723
This oojo deal was found by Cheapflights users on 11/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/13:20 pmLHR - PHL
1 stop27h 35mBritish Airways
Sat 12/66:36 pmPHL - LHR
1 stop31h 24mBritish Airways
Deal found 11/24$724
This British Airways deal was found by Cheapflights users on 11/26. 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 12/157:50 amLHR - PHL
1 stop11h 10mBritish Airways
Tue 12/237:45 pmPHL - LHR
Nonstop7h 05mBritish Airways
Deal found 11/26$728

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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$560
(Trip.com)

One-way from

$309
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$720

Good round-trip deal

$703 or less

Good one-way deal

$644 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
Highest demand for flights based on searches. 5% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 26, 2025.
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

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Sun 3/8

8:15 am-5:00 pm

1 stop12h 45m

Philadelphia

Sat 3/14

6:30 pm-8:40 am

1 stop10h 10m

$560

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 1/8

9:00 am-3:49 pm

2 stops35h 49m

Philadelphia

Thu 1/15

3:01 pm-11:15 am

2 stops15h 14m

$697

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 1/8

9:20 am-6:23 pm

1 stop14h 03m

Philadelphia

Thu 1/15

1:30 pm-6:55 am

1 stop12h 25m

$706

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 1/15

6:30 am-6:54 pm

2 stops17h 24m

Philadelphia

Fri 1/30

4:35 pm-8:35 pm

2 stops23h 00m

$710

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 12/15

7:50 am-2:00 pm

1 stop11h 10m

Philadelphia

Tue 12/23

7:45 pm-7:50 am

Nonstop7h 05m

$728

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sat 12/6

7:50 am-2:00 pm

1 stop11h 10m

Philadelphia

Mon 12/29

9:15 pm-2:40 pm

1 stop12h 25m

$732

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Tue 2/24

4:35 pm-6:31 pm

2 stops30h 56m

Philadelphia

Tue 3/3

3:02 pm-3:45 pm

2 stops19h 43m

$739

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Tue 12/2

6:50 am-1:55 pm

1 stop12h 05m

Philadelphia

Tue 12/9

11:03 am-2:05 pm

2 stops22h 02m

$745

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Thu 12/4

6:50 am-2:00 pm

1 stop12h 10m

Philadelphia

Mon 12/8

7:56 pm-2:35 pm

1 stop13h 39m

$746

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 12/25

1:10 pm-4:15 pm

Nonstop8h 05m

Philadelphia

Wed 1/7

3:42 pm-9:20 am

1 stop12h 38m

$746

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 60 results
1
2
3
...
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, August is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of $130). Flying from United Kingdom to Philadelphia in June is currently the most expensive (average of $428). 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 November 26, 2025.

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 November 26, 2025.

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 18% of weekly flights between United Kingdom and Philadelphia have experienced delays in the past year, with the average delay time being 171 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, La Compagnie have had the lowest number of delays on this route, with no flights being classified as 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 November 26, 2025.
Get a feel of what it's like to fly with Finnair, 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.
Finnair
7.6
Good
1,334 reviews

Crew

8.1

Entertainment

6.9

Food

6.7

Boarding

7.6

Comfort

7.4

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,334 reviews
Finnair
7.6
Good
1,334 reviews

Crew

8.1

Entertainment

6.9

Food

6.7

Boarding

7.6

Comfort

7.4

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
American Airlines
7.2
Good
11,039 reviews
Finnair
7.6
Good
1,334 reviews

Crew

8.1

Entertainment

6.9

Food

6.7

Boarding

7.6

Comfort

7.4

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Aer Lingus
7.2
Good
1,382 reviews
Finnair
7.6
Good
1,334 reviews

Crew

8.1

Entertainment

6.9

Food

6.7

Boarding

7.6

Comfort

7.4

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Iberia
7.0
Good
3,036 reviews
Finnair
7.6
Good
1,334 reviews

Crew

8.1

Entertainment

6.9

Food

6.7

Boarding

7.6

Comfort

7.4

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,539 reviews
Finnair
7.6
Good
1,334 reviews

Crew

8.1

Entertainment

6.9

Food

6.7

Boarding

7.6

Comfort

7.4

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 12h 45m. Aer Lingus provides one of the quickest options available for as low as $560. The distance from United Kingdom to Philadelphia is about 3460 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 British Airways, which is currently one of the cheapest options available, starting at $493. Virgin Atlantic flights start at $520 while deals on Aer Lingus start at $677 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 (91%), American Airlines (86%) or Iberia (86%) 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 $491. On average you can expect to pay $1,214. The most popular route, (London Heathrow - Philadelphia), can usually be booked for $544.

  • 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, August is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of $130). Flying from United Kingdom to Philadelphia in June is currently the most expensive (average of $428). 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
Pottstown
Reading
Ocean City
Cherry Hill
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Newark
Millville
Chester
Exton

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.

Alternative routes for United Kingdom to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to John F Kennedy Intl flights
Charles de Gaulle to Newark flights
Orly to Newark flights
Frankfurt to John F Kennedy Intl flights
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Frankfurt to Newark flights
Charles de Gaulle to LaGuardia flights
Orly to John F Kennedy Intl flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
Bruxelles-National to Newark flights
London City to John F Kennedy Intl flights
Frankfurt to LaGuardia flights
Bruxelles-National to John F Kennedy Intl flights
Madrid to Newark flights
Madrid to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Stansted to John F Kennedy Intl flights
Vienna to Newark flights
Barcelona-El Prat to Newark flights
Malpensa to Newark flights
Luton to John F Kennedy Intl flights
Berlin to Newark flights
Malpensa to John F Kennedy Intl flights
Vienna to John F Kennedy Intl flights
Leonardo da Vinci/Fiumicino to Newark flights
Munich to John F Kennedy Intl flights
Frederic Chopin to John F Kennedy Intl flights
London City to Newark flights
Leonardo da Vinci/Fiumicino to John F Kennedy Intl flights
Munich to Newark flights
Stansted to Newark flights
Barcelona-El Prat to John F Kennedy Intl flights
Luton to Newark flights
Zurich to John F Kennedy Intl flights
Zurich to Newark flights
Beauvais-Tille to Newark flights
Amsterdam to Newark flights
Frederic Chopin to Newark flights
Athens to Newark flights
Geneva to John F Kennedy Intl flights
Bruxelles-National to LaGuardia flights
Duesseldorf Intl to John F Kennedy Intl flights
Amsterdam to John F Kennedy Intl flights
Duesseldorf Intl to Newark flights
Duesseldorf Intl to LaGuardia flights

Top 5 airlines flying from United Kingdom to Philadelphia

Discover the top 5 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$559Average$794FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$597Average$814FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$609Average$784FlexibilityNo cancel feeOn-time70%
FinnairCheapest$642Average$767FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$670Average$1,085FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.