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$513+ Cheap flights from Heathrow (LHR) 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHL
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from London Heathrow to Philadelphia are usually found in January or February, booked 86 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Heathrow to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

January

Round-trip from

$638
(ChecknFly)

One-way from

$513
(Kiwi.com)
Provider with most accurate pricing for London Heathrow-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Philadelphia flights.
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High demand for flights, 21% potential price rise
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Best time to find cheap flights, 13% potential price drop
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From London Heathrow to Philadelphia
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One-way flight from London Heathrow to Philadelphia
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Find flight deals from Heathrow to Philadelphia

Cheapest flights from Heathrow to Philadelphia
Explore the most affordable flight options available from Heathrow to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This The Travel House deal was found by Cheapflights users on 11/19. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/268:25 amLHR - PHL
1 stop28h 15mIcelandair
Tue 12/318:15 amPHL - LHR
1 stop16h 40mIcelandair
Deal found 11/19$644
This Delta deal was found by Cheapflights users on 11/20. 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.
Tue 12/2411:30 amLHR - PHL
2 stops16h 44mDelta
Tue 12/312:00 pmPHL - LHR
1 stop12h 05mDelta
Deal found 11/20$651
This Booking.com deal was found by Cheapflights users on 11/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/118:50 amLHR - PHL
1 stop12h 10mAer Lingus
Mon 12/165:30 pmPHL - LHR
1 stop9h 35mAer Lingus
Deal found 11/18$652
This The Travel House deal was found by Cheapflights users on 11/19. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/114:30 pmLHR - PHL
1 stop30h 20mFinnair
Tue 12/179:00 pmPHL - LHR
1 stop14h 15mFinnair
Deal found 11/19$653
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 12/41:10 pmLHR - PHL
Nonstop8h 10mAmerican Airlines
Tue 12/101:40 pmPHL - LHR
1 stop11h 35mAmerican Airlines
Deal found 11/19$660
This JetBlue deal was found by Cheapflights users on 11/19. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/278:25 amLHR - PHL
1 stop11h 43mJetBlue
Tue 12/31:45 pmPHL - LHR
1 stop11h 10mJetBlue
Deal found 11/19$669
This Expedia deal was found by Cheapflights users on 11/20. 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.
Mon 12/306:05 amLHR - PHL
1 stop15h 15mMultiple Airlines
Wed 7/231:35 pmPHL - LHR
2 stops13h 50mMultiple Airlines
Deal found 11/20$682
This Orbitz deal was found by Cheapflights users on 11/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/168:25 amLHR - PHL
1 stop12h 50mBritish Airways
Mon 12/239:15 pmPHL - LHR
Nonstop7h 05mBritish Airways
Deal found 11/19$684
This Air Canada deal was found by Cheapflights users on 11/19. 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.
Tue 12/33:00 pmLHR - PHL
1 stop28h 50mAir Canada
Tue 12/103:30 pmPHL - LHR
1 stop10h 40mAir Canada
Deal found 11/19$696
This United Airlines deal was found by Cheapflights users on 11/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/97:10 amLHR - PHL
2 stops31h 30mUnited Airlines
Mon 12/166:20 amPHL - LHR
2 stops19h 00mUnited Airlines
Deal found 11/18$713
This Gurufare deal was found by Cheapflights users on 11/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/410:15 amLHR - PHL
Nonstop8h 05mIberia
Tue 12/109:10 pmPHL - LHR
Nonstop7h 10mIberia
Deal found 11/19$716
This The Travel House deal was found by Cheapflights users on 11/19. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/303:00 pmLHR - PHL
2 stops29h 45mLufthansa
Sun 1/125:10 pmPHL - LHR
1 stop33h 45mLufthansa
Deal found 11/19$725

Find flights from Heathrow to Philadelphia within your budget

Customize your flight search to find flights from Heathrow 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sat 3/22

11:10 am-3:45 pm

1 stop32h 35m

Philadelphia

Wed 3/26

6:55 pm-4:45 pm

1 stop17h 50m

$638

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 2/4

10:15 am-1:30 pm

Nonstop8h 15m

Philadelphia

Tue 2/11

1:40 pm-6:15 am

1 stop11h 35m

$639

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 12/26

8:25 am-7:40 am

1 stop28h 15m

Philadelphia

Tue 12/31

8:15 am-5:55 am

1 stop16h 40m

$644

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 1/13

6:30 am-5:00 pm

2 stops15h 30m

Philadelphia

Sat 2/1

4:00 pm-1:45 pm

2 stops16h 45m

$646

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 12/11

8:50 am-4:00 pm

1 stop12h 10m

Philadelphia

Mon 12/16

5:30 pm-8:05 am

1 stop9h 35m

$652

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 12/11

4:30 pm-5:50 pm

1 stop30h 20m

Philadelphia

Tue 12/17

9:00 pm-4:15 pm

1 stop14h 15m

$653

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 1/27

9:50 am-4:40 pm

1 stop11h 50m

Philadelphia

Wed 2/19

9:15 pm-9:20 am

Nonstop7h 05m

$659

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 12/5

3:00 pm-2:50 pm

1 stop28h 50m

Philadelphia

Sat 12/7

12:45 pm-12:00 pm

2 stops42h 15m

$669

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 1/28

8:10 am-3:35 pm

1 stop12h 25m

Philadelphia

Thu 2/20

6:35 pm-9:30 am

1 stop9h 55m

$674

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 2/24

3:00 pm-2:50 pm

1 stop28h 50m

Philadelphia

Thu 3/20

3:30 pm-7:10 am

1 stop11h 40m

$683

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 22 results
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Compare providers for flights from Heathrow to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Philadelphia in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy3 starsTrust Score*3 stars
KAYAKPrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CombigoPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Heathrow 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.

Travel insights for flights from Heathrow to Philadelphia

Get recent, data-driven insights about flights from Heathrow to Philadelphia including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London Heathrow Airport to Philadelphia?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Philadelphia. Price data was last updated on November 15, 2024.

The best time to book flights from London Heathrow Airport to Philadelphia is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London Heathrow Airport to Philadelphia?

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Philadelphia (average of $234). Flying from London Heathrow Airport to Philadelphia in March is currently the most expensive (average of $284). 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 LHR to PHL?

Find hourly flight availability from Heathrow 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 20, 2024.

When flying from London Heathrow Airport to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 38% versus a flight at noon.

Weekly flight availability from London Heathrow Airport to Philadelphia

Explore weekly flight availability from Heathrow 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 20, 2024.

The most flights from LHR 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).

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 20, 2024.
To help decide which airline to fly from London to Philadelphia, see what other customers have to say about Lufthansa, American Airlines and Aer Lingus. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
663 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

JetBlue
7.5
Good
3,394 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,171 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 London Heathrow?

    Most people fly into Philadelphia (PHL) if they book a flight to Philadelphia from London Heathrow. On average, Philadelphia has 10 inbound flights from London Heathrow per day from 5 airlines. Philadelphia is conveniently located just 7.0 mi from Philadelphia’s city center.

  • What are the cheapest airlines flying from London Heathrow Airport to Philadelphia round-trip?

    Flying on Lufthansa is currently your cheapest option to Philadelphia, with prices starting at $638. Additional round-trip tickets that might be worth considering are offered by American Airlines and Icelandair, with the lowest prices starting at $639 and $644, respectively. Lufthansa is currently priced 14% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from London Heathrow Airport to Philadelphia one-way?

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $518. Virgin Atlantic flights start at $606 while deals on Finnair start at $621 one-way.

  • What are the most reliable airlines from London Heathrow Airport to Philadelphia?

    Before booking your flight to Philadelphia from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Malaysia Airlines (82%), American Airlines (77%), Finnair( 77%).

  • What are the cheapest flights from London Heathrow Airport to Philadelphia?

    Looking for the cheapest flight from London Heathrow Airport to Philadelphia? While on average our users pay $841, our data indicates the cheapest price to be $679. The most popular route (London Heathrow - Philadelphia), is priced around $470.

  • Can I find deals for flights from Heathrow to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Heathrow to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Philadelphia?

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

  • Can I find deals for business class flights from Heathrow to Philadelphia?

    Yes. Cheapflights offers flight deals from Heathrow 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 London Heathrow Airport to Philadelphia?

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Philadelphia (average of $234). Flying from London Heathrow Airport to Philadelphia in March is currently the most expensive (average of $284). 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.

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Alternative routes for Heathrow to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Heathrow to Harrisburg flights
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Southend to John F Kennedy Intl flights
Southend to Newark flights
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Stansted to Pittsburgh flights

Top 5 airlines flying from Heathrow to Philadelphia

Discover the top 5 airlines that operate flights from Heathrow 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$587Average$853FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$592Average$742FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$594Average$760FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$605Average$781FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$617Average$943FlexibilityNo cancel feeOn-time76%
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