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£241 Cheap Flights from Philadelphia (PHL) to London (LGW)

View £241 flight on Tue, 25 Aug 2026Opens in a new window

Popular airlines from Philadelphia International Airport (PHL) to Gatwick Airport (LGW)

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Cheap Flights from Philadelphia (PHL) to London (LGW)

Prices were available within the past 7 days and start at £241 for one-way flights and £555 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Thu, 3 Sept - Sat, 5 Sept
PHL
Philadelphia
LGW
London
£555 Return, found 10 hours ago
£555
Return
found 10 hours ago
Select JetBlue Airways flight, departing Thu, 3 Sept from Philadelphia to London, returning Sat, 5 Sept, priced at £555 found 10 hours ago
JetBlue Airways
Sun, 23 Aug - Wed, 2 Sept
PHL
Philadelphia
LGW
London
£558 Return, found 6 days ago
£558
Return
found 6 days ago
Select JetBlue Airways flight, departing Sun, 23 Aug from Philadelphia to London, returning Wed, 2 Sept, priced at £558 found 6 days ago
JetBlue Airways
Wed, 29 Jul - Tue, 1 Sept
PHL
Philadelphia
LGW
London
£559 Return, found 1 day ago
£559
Return
found 1 day ago
Select JetBlue Airways flight, departing Wed, 29 Jul from Philadelphia to London, returning Tue, 1 Sept, priced at £559 found 1 day ago
JetBlue Airways
Fri, 21 Aug - Mon, 31 Aug
PHL
Philadelphia
LGW
London
£580 Return, found 12 hours ago
£580
Return
found 12 hours ago
Select JetBlue Airways flight, departing Fri, 21 Aug from Philadelphia to London, returning Mon, 31 Aug, priced at £580 found 12 hours ago
JetBlue Airways
Sun, 9 Aug - Tue, 25 Aug
PHL
Philadelphia
LGW
London
£583 Return, found 2 days ago
£583
Return
found 2 days ago
Select JetBlue Airways flight, departing Sun, 9 Aug from Philadelphia to London, returning Tue, 25 Aug, priced at £583 found 2 days ago
JetBlue Airways
Fri, 31 Jul - Sat, 29 Aug
PHL
Philadelphia
LGW
London
£584 Return, found 7 hours ago
£584
Return
found 7 hours ago
Select JetBlue Airways flight, departing Fri, 31 Jul from Philadelphia to London, returning Sat, 29 Aug, priced at £584 found 7 hours ago
Air France
Mon, 26 Oct - Tue, 17 Nov
PHL
Philadelphia
LGW
London
£686 Return, found 5 days ago
£686
Return
found 5 days ago
Select Air France flight, departing Mon, 26 Oct from Philadelphia to London, returning Tue, 17 Nov, priced at £686 found 5 days ago
TAP Portugal
Thu, 15 Oct - Sun, 18 Oct
PHL
Philadelphia
LGW
London
£742 Return, found 1 day ago
£742
Return
found 1 day ago
Select TAP Portugal flight, departing Thu, 15 Oct from Philadelphia to London, returning Sun, 18 Oct, priced at £742 found 1 day ago
Icelandair
Mon, 28 Sept - Fri, 2 Oct
PHL
Philadelphia
LGW
London
£776 Return, found 12 hours ago
£776
Return
found 12 hours ago
Select Icelandair flight, departing Mon, 28 Sept from Philadelphia to London, returning Fri, 2 Oct, priced at £776 found 12 hours ago
Iberia
Mon, 14 Sept - Sun, 20 Sept
PHL
Philadelphia
LGW
London
£776 Return, found 3 days ago
£776
Return
found 3 days ago
Select Iberia flight, departing Mon, 14 Sept from Philadelphia to London, returning Sun, 20 Sept, priced at £776 found 3 days ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Cheapest option available. Average driving time to city centre is 28 minutes. Flights from £671
LHR
Heathrow
Cheapest
Average driving time to city centre28 min
Flights from £671

Find the cheapest month to fly from Philadelphia (PHL) to London (LGW)

January is typically the cheapest month to fly

From £461 - £1,018 per traveller.

Frequently asked questions

How much does a flight from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick) cost?
You can find one-way and return flights from PHL to LGW with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when PHL to LGW ticket fares go up or down.
What is the cheapest month to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick)?
The cheapest months to fly from PHL to LGW are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick)?
Enter PHL to LGW and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick)?
JetBlue Airways is one of the cheapest airlines offering connecting return flights from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick), with prices starting from around £689 for flights that can be booked for departure within the next year. These flights typically include a layover in Boston (BOS-Logan Intl.). These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick)?
To find a cheap flight from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick)?
There are approximately 48 connecting flights per day from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick). Some common connection points include Logan Intl. (BOS), Orlando Intl. (MCO), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick)?
The earliest flight from Philadelphia International Airport (PHL) to London Gatwick (LGW) typically departs around 5:00 AM. This service is operated by American Airlines and British Airways. This is a seasonal service, active in March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick)?
You'll typically find the most flights from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick) on a Friday, with around 52 flights available. This gives you a good selection for your travel plans. Major airlines on this route include American Airlines, Delta, and United. Flight options are notably more on Fridays compared to other days of the week, offering you more flexibility.
What are the most popular departure times for flights from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick)?
The most popular departure times for flights from Philadelphia Intl. (PHL) to Gatwick (LGW) are in the evening, from 6pm to 9pm. Many major carriers, including American Airlines, Aer Lingus and United, offer flights during this window. Many travellers prefer this because it allows you to make the most of your day in Philadelphia before your flight, and you'll arrive in London in the morning, ready to start your day.
How long does it take to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick)?
There are no nonstop flights from Philadelphia International Airport (PHL) to London Gatwick (LGW). Flights with one stop typically take around 13 hours 30 minutes, covering a distance of approximately 5,720 kilometers. If you opt for flights with two or more stops, your journey will generally be longer, averaging about 19 hours 18 minutes. Keep in mind that these are average travel times, and your actual flight duration can vary depending on the specific routing, layover times, and even weather conditions.
Can you fly business or first class from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick)?
Yes, you can fly business class between PHL and LGW. Airlines that offer business class service on this route include:
  • JetBlue Airways
  • Air Canada
  • Delta
  • United
  • Discover Airlines
  • American Airlines
How do I earn miles on a Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick) flight with Expedia?
It's easy to earn miles on a Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for London (LGW) from Philadelphia, PA (PHL)?
If you're planning to travel to London from Philadelphia Intl. (PHL), you can fly directly into Gatwick (LGW). Some flights may connect through major hubs like Miami Intl. (MIA), Charlotte-Douglas Intl. (CLT), or Ronald Reagan Washington National (DCA) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick) at the last minute?
Typically, booking a last minute flight from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick) flight and hotel package?
Securing a Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick)?
If you booked your Philadelphia, PA (PHL-Philadelphia Intl.) to London (LGW-Gatwick) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Gatwick
Airlines serving
Icelandair, JetBlue Airways, Swiss International Air Lines, TAP Portugal
Return price
£555
Distance
5686 km

Book with confidence

Compare flights from Philadelphia to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Philadelphia to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Gatwick in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Philadelphia Intl. to Gatwick.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Philadelphia Intl. (PHL) to Gatwick (LGW)

The easiest way to view the best deals on flights from Philadelphia to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Philadelphia Intl. to Gatwick start at just £555 and range up to £776.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Philadelphia and London
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Philadelphia to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Philadelphia Intl. to Gatwick for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Philadelphia to London easily and book with confidence

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*Available to Expedia members.