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Cheap flights from Philadelphia to London from £300

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LON
25 Nov — 2 Dec1
1 adult

The best prices from Philadelphia to London are usually found in February or October, booked 25 days in advance, depart on a Monday or Saturday and return on a Tuesday

Find flights from Philadelphia to London within your budget

Customise your flight search to find flights from Philadelphia to London 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 953,013 searches. Data last updated 20 November 2024.

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Fly to

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Route

Depart

Return

Price

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Tue 7/1

16:04-07:50

1 stop10h 46m

London Heathrow

Tue 14/1

10:15-13:30

Nonstop8h 15m

£509

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Mon 13/1

06:15-07:10

2 stops19h 55m

London Heathrow

Mon 20/1

13:30-16:00

1 stop31h 30m

£510

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 14/1

15:30-22:55

3 stops26h 25m

London Luton

Sun 19/1

18:10-14:50

3 stops25h 40m

£510

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 12/1

22:15-10:00

1 stop30h 45m

London Gatwick

Sat 18/1

14:00-07:59

1 stop22h 59m

£510

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Tue 4/2

10:10-07:10

2 stops16h 00m

London Heathrow

Wed 12/2

15:00-15:45

2 stops29h 45m

£513

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 4/12

08:15-05:55

1 stop16h 40m

London Heathrow

Mon 13/1

08:25-19:07

1 stop15h 42m

£514

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 15/1

15:30-11:50

2 stops15h 20m

London Heathrow

Wed 22/1

15:00-15:45

2 stops29h 45m

£515

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Mon 6/1

18:55-15:05

1 stop15h 10m

London Heathrow

Tue 14/1

13:10-16:20

Nonstop8h 10m

£519

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Mon 13/1

18:40-06:35

Nonstop6h 55m

London Heathrow

Thu 15/5

13:00-15:45

Nonstop7h 45m

£521

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Tue 14/1

11:20-09:20

2 stops17h 00m

London Heathrow

Mon 20/1

19:30-21:23

2 stops30h 53m

£529

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 56 results
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Cheap flight deals from Philadelphia to London

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to London (LON). 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 20 November 2024.

Round-trip from

£509

One-way from

£300

Popular in

June

Cheapest in

February
American Airlines
  • American Airlines
  • 7/1-14/1
  • 1 total stop
  • 19h 01m total
  • Philadelphia to London
Scandinavian Airlines
  • Scandinavian Airlines
  • 5/2
  • 2 total stops
  • 27h 37m total
  • Philadelphia to London
High demand for flights, 26% potential price rise
Best time to find cheap flights, 17% potential price drop

Find flight deals from Philadelphia to London

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

Thu 5/1213:45PHL - LHR
1 stop11h 10mJetBlue
Tue 14/108:25LHR - PHL
1 stop15h 42mJetBlue
Deal found 20/11£509
Thu 5/1205:10PHL - LHR
2 stops21h 00mMultiple Airlines
Mon 9/1215:00LHR - PHL
2 stops24h 00mMultiple Airlines
Deal found 19/11£511
Tue 3/1210:09PHL - LGW
2 stops19h 46mMultiple Airlines
Fri 17/114:00LGW - PHL
1 stop25h 58mMultiple Airlines
Deal found 20/11£511
Tue 31/1221:15PHL - LHR
Nonstop7h 05mIberia
Fri 10/110:15LHR - PHL
Nonstop8h 15mIberia
Deal found 20/11£551
Wed 11/1215:30PHL - LHR
1 stop10h 40mUnited Airlines
Tue 17/1207:30LHR - PHL
1 stop13h 30mUnited Airlines
Deal found 19/11£553
Wed 4/1207:16PHL - LCY
2 stops29h 24mMultiple Airlines
Wed 11/1210:00LCY - PHL
2 stops29h 00mMultiple Airlines
Deal found 20/11£556
Tue 10/1216:01PHL - LHR
1 stop10h 49mBritish Airways
Mon 16/1217:00LHR - PHL
1 stop28h 15mBritish Airways
Deal found 19/11£559
Wed 11/1209:33PHL - LHR
2 stops16h 32mDelta
Wed 25/1206:30LHR - PHL
2 stops18h 36mDelta
Deal found 20/11£572
Fri 6/1217:30PHL - LHR
1 stop9h 35mAer Lingus
Tue 10/1207:50LHR - PHL
1 stop13h 10mAer Lingus
Deal found 19/11£592
Thu 5/1208:15PHL - LGW
2 stops26h 35mTAP AIR PORTUGAL
Mon 9/1216:35LGW - PHL
2 stops31h 54mTAP AIR PORTUGAL
Deal found 19/11£600
Fri 6/1208:15PHL - LHR
2 stops28h 15mTAP AIR PORTUGAL
Wed 11/1206:00LHR - PHL
2 stops18h 29mTAP AIR PORTUGAL
Deal found 19/11£602
Tue 31/1217:35PHL - LCY
1 stop10h 50mLufthansa
Tue 14/118:15LCY - PHL
1 stop26h 45mLufthansa
Deal found 19/11£609

Best time to book a flight from Philadelphia to London

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

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

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

Use this chart to determine the optimal time to book a return flight from Philadelphia to London. Price data was last updated on 15 November 2024.

The price you pay for your flight from Philadelphia to London may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Philadelphia to London (average of £112). Flying from Philadelphia to London in July is currently the most expensive (average of £160). 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 PHL to LON?

Find hourly flight availability from Philadelphia to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 November 2024.

Unlike at midday, when flights are generally more expensive, you can save up to 31% on flights from Philadelphia to London by exploring options for tickets in the morning.

Weekly flight availability from Philadelphia to London

Explore weekly flight availability from Philadelphia to London. 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 20 November 2024.

The most flights from PHL to LON 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 London by month

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

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 20 November 2024.
Get a feel of what it's like to fly with American Airlines, JetBlue and Air Canada from Philadelphia to London by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,759 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very Good
8,759 reviews
8.0
Very Good
8,759 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.8
Good
1,350 reviews
8.0
Very Good
8,759 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.7
Good
1,300 reviews
8.0
Very Good
8,759 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.6
Good
805 reviews
8.0
Very Good
8,759 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.6
Good
1,637 reviews
8.0
Very Good
8,759 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to London. 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 from for flights from Philadelphia to London?

    Located just 7.0 mi from the city center, Philadelphia is the airport most travelers will use when flying to London from Philadelphia. Booking flights from Philadelphia (PHL) to London should be relatively easy as there are 10 daily outbound flights to London from 4 different airlines.

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

    Flying on American Airlines is currently your cheapest option to London, with prices starting at £509. Additional return tickets that might be worth considering are offered by United Airlines and JetBlue, with the lowest prices starting at £510 and £514, respectively. American Airlines is currently priced 21% below the average price you’ll pay for this route.

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

    The cheapet airlines for a one-way flight from Philadelphia to London are Scandinavian Airlines (£300), Finnair (£311), and Iberia (£313).

  • What are the most popular routes from Philadelphia to London?

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

    Consider Malaysia Airlines (83%), American Airlines (77%) or Finnair (77%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to London.

  • What are the cheapest flights from Philadelphia to London?

    Looking for the cheapest flight from Philadelphia to London? While on average our users pay £634, our data indicates the cheapest price to be £334. The most popular route (Philadelphia - London Heathrow), is priced around £399.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to London (average of £112). Flying from Philadelphia to London in July is currently the most expensive (average of £160). 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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Alternative routes for Philadelphia to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Philadelphia to London

Discover the top 4 airlines that operate flights from Philadelphia to London. 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 953,013 searches. Data last updated 20 November 2024.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£460Average£686FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£484Average£685FlexibilityNo cancel feeOn-time70%
Search British Airways flights
JetBlueCheapest£485Average£614FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Aer LingusCheapest£522Average£685FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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 Philadelphia to London?

Cheapflights makes it easy to find Philadelphia to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from Philadelphia to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to London from Philadelphia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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