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Cheap flights from London Heathrow Airport to Philadelphia from £405

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHL
20 Nov — 27 Nov1
1 adult

The best prices from London Heathrow to Philadelphia are usually found in January or February, booked 40 days in advance, depart on a Tuesday or Wednesday and return on a Sunday

Find flights from Heathrow to Philadelphia within your budget

Customise 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 943,810 searches. Data last updated 15 November 2024.

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LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 14/1

10:15-13:30

Nonstop8h 15m

Philadelphia

Thu 6/2

10:35-08:40

1 stop17h 05m

£495

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sat 8/3

08:25-17:23

1 stop13h 58m

Philadelphia

Mon 17/3

10:13-05:55

1 stop15h 42m

£497

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 4/12

08:50-16:25

1 stop12h 35m

Philadelphia

Wed 11/12

13:40-05:55

1 stop11h 15m

£506

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 3/12

16:30-09:35

1 stop22h 05m

Philadelphia

Wed 11/12

13:50-07:50

1 stop13h 00m

£508

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 26/12

08:25-07:40

1 stop28h 15m

Philadelphia

Tue 31/12

08:15-05:55

1 stop16h 40m

£509

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 4/12

09:50-16:00

1 stop11h 10m

Philadelphia

Mon 16/12

17:30-08:05

1 stop9h 35m

£513

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 14/1

06:30-22:36

2 stops21h 06m

Philadelphia

Thu 6/2

10:35-06:20

2 stops14h 45m

£524

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 3/12

12:15-01:17

2 stops18h 02m

Philadelphia

Wed 11/12

10:55-10:50

2 stops18h 55m

£527

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 3/12

08:30-16:00

1 stop12h 30m

Philadelphia

Wed 11/12

10:30-05:55

2 stops14h 25m

£532

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 6/1

08:50-21:23

1 stop17h 33m

Philadelphia

Thu 23/1

11:20-07:05

1 stop14h 45m

£541

Flights are sorted by cheapest first

Deals found on 15/11

Showing 1-10 of 23 results
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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 15 November 2024.

Round-trip from

£495

One-way from

£405

Popular in

July

Cheapest in

January
Finnair
  • Finnair
  • 14/1-6/2
  • 1 total stop
  • 25h 20m total
  • London to Philadelphia
Search Deals
12/12
  • 12/12
  • 2 total stops
  • 30h 14m total
  • London to Philadelphia
Search Deals
High demand for flights, 21% potential price rise
Search Deals
Best time to find cheap flights, 13% potential price drop
Search Deals

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 15 November 2024.

Wed 4/1208:50LHR - PHL
1 stop12h 35mAmerican Airlines
Wed 11/1213:40PHL - LHR
1 stop11h 15mAmerican Airlines
Deal found 13/11£506
Tue 3/1216:30LHR - PHL
1 stop22h 05mBritish Airways
Wed 11/1213:50PHL - LHR
1 stop13h 00mBritish Airways
Deal found 15/11£508
Thu 26/1208:25LHR - PHL
1 stop28h 15mIcelandair
Tue 31/1208:15PHL - LHR
1 stop16h 40mIcelandair
Deal found 14/11£509
Wed 4/1209:50LHR - PHL
1 stop11h 10mAer Lingus
Mon 16/1217:30PHL - LHR
1 stop9h 35mAer Lingus
Deal found 15/11£513
Wed 4/1213:10LHR - PHL
Nonstop8h 10mFinnair
Sun 8/1221:07PHL - LHR
1 stop30h 33mFinnair
Deal found 14/11£525
Tue 3/1212:15LHR - PHL
2 stops18h 02mMultiple Airlines
Wed 11/1210:55PHL - LHR
2 stops18h 55mMultiple Airlines
Deal found 15/11£527
Mon 25/1108:25LHR - PHL
1 stop16h 20mJetBlue
Tue 10/1208:15PHL - LHR
1 stop16h 40mJetBlue
Deal found 15/11£528
Tue 3/1208:30LHR - PHL
1 stop12h 30mLufthansa
Wed 11/1210:30PHL - LHR
2 stops14h 25mLufthansa
Deal found 14/11£532
Tue 24/1207:30LHR - PHL
1 stop13h 30mUnited Airlines
Thu 20/310:35PHL - LHR
1 stop16h 05mUnited Airlines
Deal found 15/11£536
Sat 23/1106:40LHR - PHL
2 stops23h 14mScandinavian Airlines
Sat 7/1215:17PHL - LHR
2 stops19h 43mScandinavian Airlines
Deal found 15/11£554
Tue 17/1208:50LHR - PHL
1 stop13h 55mDelta
Mon 17/210:45PHL - LHR
1 stop16h 10mDelta
Deal found 15/11£567
Wed 4/1206:50LHR - PHL
2 stops13h 00mAir Canada
Sun 8/1209:00PHL - LHR
2 stops30h 35mAir Canada
Deal found 14/11£569

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

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 return flight from Heathrow to Philadelphia. Price data was last updated on 8 November 2024.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Philadelphia, you should look to book at least 40 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Philadelphia (average of £644). Flying from London Heathrow Airport to Philadelphia in July is currently the most expensive (average of £782). 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 15 November 2024.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Philadelphia in the afternoon. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from London Heathrow Airport to Philadelphia?

Use this chart to determine the cheapest time to fly return from Heathrow to Philadelphia. Price data was last updated on 10 November 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Philadelphia flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 15 November 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 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

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 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

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 15 November 2024.
Read reviews from past customers who have flown Finnair, JetBlue and American Airlines from London to Philadelphia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,786 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
8,786 reviews
Delta
8.0
Very Good
8,786 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
1,304 reviews
Delta
8.0
Very Good
8,786 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
810 reviews
Delta
8.0
Very Good
8,786 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

Virgin Atlantic
7.6
Good
662 reviews
Delta
8.0
Very Good
8,786 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
3,434 reviews
Delta
8.0
Very Good
8,786 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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 13 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?

    Our cheapest airline available from London Heathrow Airport to Philadelphia is Finnair. Our recent data shows that you can find tickets from as low as £495 on this airline. Additional options worth looking into are JetBlue and American Airlines, starting at £497 and £506 round-trip. Finnair is currently priced 15% 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?

    The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as £411. However, be on the lookout for offers from Iberia and Finnair, as they are both options that can get you from London Heathrow Airport to Philadelphia for a low price.

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

    Consider Malaysia Airlines (84%), American Airlines (75%) or Finnair (75%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Philadelphia.

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

    The cheapest flight price from London Heathrow Airport to Philadelphia is £535. On average you can expect to pay £1,290. The most popular route, (London Heathrow - Philadelphia), can usually be booked for £356.

  • 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 holiday 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Philadelphia (average of £644). Flying from London Heathrow Airport to Philadelphia in July is currently the most expensive (average of £782). 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

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Fly from Heathrow to Philadelphia on these airlines

Choose from the following airlines for your flight from Heathrow to Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on 15 November 2024.
British Airways flights from London Heathrow to Philadelphia
Finnair flights from London Heathrow to Philadelphia
Iberia flights from London Heathrow to Philadelphia

Top 10 airlines flying from Heathrow to Philadelphia

Discover the top 10 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 943,810 searches. Data last updated 15 November 2024.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£379Average£507FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£383Average£519FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Royal Air MarocCheapest£437Average£613FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
United AirlinesCheapest£443Average£589FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£454Average£574FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£456Average£590FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£458Average£524FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Alaska AirlinesCheapest£458Average£626FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
LufthansaCheapest£461Average£577FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapest£474Average£638FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Philadelphia?

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

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

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Philadelphia for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Philadelphia from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Heathrow to Philadelphia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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