London

$380+ Cheap flights from Philadelphia (PHL) to London (LON)

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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LON
Nov 25 — Dec 21
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The best prices from Philadelphia to London are usually found in February or October, booked 25 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

February

Round-trip from

$645
(American Airlines)

One-way from

$380
(Kiwi.com)
Provider with most accurate pricing for Philadelphia-London (LON) flight deals.
Provider most trusted by Cheapflights users for Philadelphia-London (LON) flights.
High demand for flights, 26% potential price rise
Best time to find cheap flights, 17% potential price drop
From Philadelphia to London (LON)
One-way flight from Philadelphia to London (LON)

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 November 20, 2024.

This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/51:45 pmPHL - LHR
1 stop11h 10mJetBlue
Tue 1/148:25 amLHR - PHL
1 stop15h 42mJetBlue
Deal found 11/20$645
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:10 amPHL - LHR
2 stops21h 00mMultiple Airlines
Mon 12/93:00 pmLHR - PHL
2 stops24h 00mMultiple Airlines
Deal found 11/19$647
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/310:09 amPHL - LGW
2 stops19h 46mMultiple Airlines
Fri 1/172:00 pmLGW - PHL
1 stop25h 58mMultiple Airlines
Deal found 11/20$647
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.
Tue 12/311:47 pmPHL - LHR
1 stop13h 03mAmerican Airlines
Tue 1/148:50 amLHR - PHL
1 stop12h 50mAmerican Airlines
Deal found 11/19$692
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/113:30 pmPHL - LHR
1 stop10h 40mUnited Airlines
Tue 12/177:30 amLHR - PHL
1 stop13h 30mUnited Airlines
Deal found 11/19$700
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/106:40 pmPHL - LHR
Nonstop6h 55mBritish Airways
Mon 12/165:00 pmLHR - PHL
1 stop28h 15mBritish Airways
Deal found 11/19$704
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/47:16 amPHL - LCY
2 stops29h 24mMultiple Airlines
Wed 12/1110:00 amLCY - PHL
2 stops29h 00mMultiple Airlines
Deal found 11/20$704
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/65:30 pmPHL - LHR
1 stop9h 35mAer Lingus
Tue 12/107:50 amLHR - PHL
1 stop13h 10mAer Lingus
Deal found 11/19$750
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/58:15 amPHL - LGW
2 stops26h 35mTAP AIR PORTUGAL
Mon 12/94:35 pmLGW - PHL
2 stops31h 54mTAP AIR PORTUGAL
Deal found 11/19$760
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/68:15 amPHL - LHR
2 stops29h 40mTAP AIR PORTUGAL
Mon 12/96:30 pmLHR - PHL
2 stops29h 59mTAP AIR PORTUGAL
Deal found 11/19$763
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/106:40 pmPHL - LHR
Nonstop6h 55mIberia
Mon 12/167:20 amLHR - PHL
1 stop13h 55mIberia
Deal found 11/19$771
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:35 pmPHL - LCY
1 stop10h 50mLufthansa
Tue 1/146:15 pmLCY - PHL
1 stop26h 45mLufthansa
Deal found 11/19$771

Find flights from Philadelphia to London within your budget

Customize 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Tue 1/7

4:04 pm-7:50 am

1 stop10h 46m

London Heathrow

Tue 1/14

10:15 am-1:30 pm

Nonstop8h 15m

$645

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Mon 1/13

6:15 am-7:10 am

2 stops19h 55m

London Heathrow

Mon 1/20

1:30 pm-4:00 pm

1 stop31h 30m

$646

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 1/14

3:30 pm-10:55 pm

3 stops26h 25m

London Luton

Sun 1/19

6:10 pm-2:50 pm

3 stops25h 40m

$646

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 1/12

10:15 pm-10:00 am

1 stop30h 45m

London Gatwick

Sat 1/18

2:00 pm-7:59 am

1 stop22h 59m

$646

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Tue 2/4

10:10 am-7:10 am

2 stops16h 00m

London Heathrow

Wed 2/12

3:00 pm-3:45 pm

2 stops29h 45m

$650

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 12/4

8:15 am-5:55 am

1 stop16h 40m

London Heathrow

Mon 1/13

8:25 am-7:07 pm

1 stop15h 42m

$651

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 1/15

3:30 pm-11:50 am

2 stops15h 20m

London Heathrow

Wed 1/22

3:00 pm-3:45 pm

2 stops29h 45m

$652

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Mon 1/6

6:55 pm-3:05 pm

1 stop15h 10m

London Heathrow

Mon 1/13

7:00 pm-2:05 pm

1 stop24h 05m

$658

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Mon 1/13

6:40 pm-6:35 am

Nonstop6h 55m

London Heathrow

Thu 5/15

1:00 pm-3:45 pm

Nonstop7h 45m

$660

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Tue 1/14

11:20 am-9:20 am

2 stops17h 00m

London Heathrow

Mon 1/20

7:30 pm-9:23 pm

2 stops30h 53m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 57 results
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Compare providers for flights from Philadelphia to London

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 Philadelphia to London in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 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 Philadelphia-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-London 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 Philadelphia-London 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 Philadelphia to London

Have a flexible travel schedule? Discover the best time to fly to London from Philadelphia 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 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 round-trip flight from Philadelphia to London. Price data was last updated on November 15, 2024.

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Philadelphia to London (average of $648). Flying from Philadelphia to London in June is currently the most expensive (average of $1,089). 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 November 20, 2024.

A simple way to save on the total cost of your ticket is to fly from Philadelphia to London at noon. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to London. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Philadelphia to London flight should consider departing on Tuesday at noon when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 20, 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 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 November 20, 2024.
To help decide which airline to fly from Philadelphia to London, see what other customers have to say about American Airlines, JetBlue and Iberia. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

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

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

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

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
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

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
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

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
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

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

7.5
Good
663 reviews
8.0
Very good
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

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?

    If you book a flight to London from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 10 flights from Philadelphia to London per day from 11 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 $645. Additional round-trip tickets that might be worth considering are offered by JetBlue and United Airlines, with the lowest prices starting at $646 and $647, respectively. These flights start at 21% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Finnair. According to our data, you can fly for as low as $394. Users have also found prices from $396 and $399 on Iberia and American Airlines, respectively.

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

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

    The top 3 most reliable airlines when flying from Philadelphia to London are Malaysia Airlines (83%), American Airlines (77%) and Finnair (77%).

  • What are the cheapest flights from Philadelphia to London?

    On average you can expect to pay $1,585 for a flight from Philadelphia to London. The cheapest flight overall is $388 while the most popular route, (Philadelphia - London Heathrow) is currently priced at $505.

  • Where are the most common layover locations when flying from Philadelphia to London?

  • What are some popular things to do or see while on a layover in Dublin?

    The majority of Dublin visitors spend their time at Molly Malone Statue, St. Patrick's Cathedral, and Dublin Castle. Molly Malone Statue, St. Patrick's Cathedral, and Dublin Castle are located about 5.8 mi, 6.1 mi, and 5.8 mi, respectively from Dublin. Travelers can book a car rental at Dublin for about $18 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Philadelphia to London flights?

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Philadelphia to London (average of $648). Flying from Philadelphia to London in June is currently the most expensive (average of $1,089). 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 10 airlines flying from Philadelphia to London

Discover the top 10 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$467Average$740FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$514Average$766FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$525Average$987FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$529Average$812FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$564Average$848FlexibilityNo cancel feeOn-time71%
IberiaCheapest$578Average$786FlexibilityNo cancel feeOn-time77%
DeltaCheapest$625Average$1,029FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$626Average$883FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$632Average$887FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$636Average$1,049FlexibilityNo cancel feeOn-time70%
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