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£315 Cheap Flights from London (LGW) to Philadelphia (PHL)

View £315 flight on Mon, 7 Sept 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £315 for one-way flights and £505 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Thu, 3 Sept - Mon, 7 Sept
LGW
London
PHL
Philadelphia
£505 Return, found 4 hours ago
£505
Return
found 4 hours ago
Select JetBlue Airways flight, departing Thu, 3 Sept from London to Philadelphia, returning Mon, 7 Sept, priced at £505 found 4 hours ago
JetBlue Airways
Tue, 1 Sept - Thu, 3 Sept
LGW
London
PHL
Philadelphia
£506 Return, found 1 day ago
£506
Return
found 1 day ago
Select JetBlue Airways flight, departing Tue, 1 Sept from London to Philadelphia, returning Thu, 3 Sept, priced at £506 found 1 day ago
JetBlue Airways
Thu, 27 Aug - Thu, 3 Sept
LGW
London
PHL
Philadelphia
£530 Return, found 2 hours ago
£530
Return
found 2 hours ago
Select JetBlue Airways flight, departing Thu, 27 Aug from London to Philadelphia, returning Thu, 3 Sept, priced at £530 found 2 hours ago
JetBlue Airways
Mon, 31 Aug - Sat, 5 Sept
LGW
London
PHL
Philadelphia
£532 Return, found 2 days ago
£532
Return
found 2 days ago
Select JetBlue Airways flight, departing Mon, 31 Aug from London to Philadelphia, returning Sat, 5 Sept, priced at £532 found 2 days ago
JetBlue Airways
Sun, 23 Aug - Thu, 3 Sept
LGW
London
PHL
Philadelphia
£550 Return, found 1 day ago
£550
Return
found 1 day ago
Select JetBlue Airways flight, departing Sun, 23 Aug from London to Philadelphia, returning Thu, 3 Sept, priced at £550 found 1 day ago
JetBlue Airways
Wed, 2 Sept - Mon, 7 Sept
LGW
London
PHL
Philadelphia
£563 Return, found 2 days ago
£563
Return
found 2 days ago
Select JetBlue Airways flight, departing Wed, 2 Sept from London to Philadelphia, returning Mon, 7 Sept, priced at £563 found 2 days ago
Swiss International Air Lines
Tue, 15 Sept - Thu, 24 Sept
LGW
London
PHL
Philadelphia
£624 Return, found 1 day ago
£624
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, 15 Sept from London to Philadelphia, returning Thu, 24 Sept, priced at £624 found 1 day ago
British Airways
Tue, 15 Sept - Tue, 29 Sept
LGW
London
PHL
Philadelphia
£643 Return, found 4 hours ago
£643
Return
found 4 hours ago
Select British Airways flight, departing Tue, 15 Sept from London to Philadelphia, returning Tue, 29 Sept, priced at £643 found 4 hours ago
American Airlines
Wed, 2 Sept - Sun, 20 Sept
LGW
London
PHL
Philadelphia
£649 Return, found 3 days ago
£649
Return
found 3 days ago
Select American Airlines flight, departing Wed, 2 Sept from London to Philadelphia, returning Sun, 20 Sept, priced at £649 found 3 days ago
Icelandair
Wed, 7 Oct - Wed, 14 Oct
LGW
London
PHL
Philadelphia
£661 Return, found 4 days ago
£661
Return
found 4 days ago
Select Icelandair flight, departing Wed, 7 Oct from London to Philadelphia, returning Wed, 14 Oct, priced at £661 found 4 days ago

Alternative airports near Philadelphia

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

Select flight to Philadelphia Intl. PHL. Cheapest and Closest option available. Average driving time to city centre is 17 minutes. Flights from £1,059
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city centre17 min
Flights from £1,059

Frequently asked questions

How much does a flight from London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.) cost?
You can find cheap one-way flights from £315 and cheap return flights from £505 LGW to PHL with Expedia. One-way flights typically cost between £422 and £3154. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when LGW to PHL ticket fares go up or down.
What is the cheapest month to fly from London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The cheapest months to fly from LGW to PHL 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 London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.)?
Enter LGW to PHL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.)?
To find a cheap flight from London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.), 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 London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.)?
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 London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.)?
There are approximately 11 connecting flights per day from London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.). Some common connection points include Roissy-Charles de Gaulle (CDG), Zürich (ZRH), and Keflavik Intl. (KEF).
What is the earliest flight from London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The earliest flight from London Gatwick (LGW) to Philadelphia, PA (PHL) typically departs around 7:35 AM local time. This service is operated by airlines such as Avianca Argentina, Aer Lingus, and American Airlines. Please note that this is a seasonal service, active only in December. 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 London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.)?
You'll typically find the most flights from London Gatwick (LGW) to Philadelphia, PA (PHL) on a Wednesday, with around 27 flights available. This gives you a good selection of options for your journey. Major airlines on this route include British Airways, Helvetic Airways, and Air France. Compared to other days, Wednesdays offer notably more flight options, making it a great day to plan your travel.
What are the most popular departure times for flights from London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The most popular departure times for flights from London Gatwick (LGW) to Philadelphia, PA (PHL) are in the morning, from 9am to 12pm. Many major carriers, including British Airways, Air France and Helvetic Airways, offer flights during this window. Many travellers prefer these times as they allow for an early start to your journey, getting you to your destination with plenty of time left in the day.
How long does it take to fly from London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.)?
There are no nonstop flights from London Gatwick (LGW) to Philadelphia (PHL), which is a distance of about 5,720 kilometers. If you're looking for the quickest option, one-stop flights typically take around 14 hours 48 minutes. Flights with two or more stops usually take longer, averaging about 19 hours 30 minutes. Keep in mind that these are average times, and your actual travel duration can vary depending on the specific route, layover times, and even weather conditions.
Can you fly business or first class from London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.)?
Yes, you can fly business class between LGW and PHL. Airlines that offer business class service on this route include:

  • Air France
  • Iberia
  • TAP Portugal
  • Icelandair
  • British Airways
  • Helvetic Airways
  • Iberia Express

How do I earn miles on a London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.) flight with Expedia?
It's easy to earn miles on a London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.) 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 Philadelphia, PA (PHL) from London (LGW)?
If you're planning to travel to Philadelphia from Gatwick (LGW), you can fly directly into Philadelphia Intl. (PHL). Some flights may connect through major hubs like Tampa Intl. (TPA), Orlando Intl. (MCO), or Zürich (ZRH) before reaching Philadelphia. 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 London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.) at the last minute?
Typically, booking a last minute flight from London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.) 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 London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.) flight and hotel package?
Securing a London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.) 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 London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.)?
If you booked your London (LGW-Gatwick) to Philadelphia, PA (PHL-Philadelphia Intl.) 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
Gatwick
Destination airport
Philadelphia Intl.
Airlines serving
Air France, American Airlines, British Airways, Delta, Iberia, Icelandair, JetBlue Airways, KLM, Swiss International Air Lines, TAP Portugal, Virgin Atlantic
Return price
£505
Distance
5686 km

Book with confidence

Compare flights from London to Philadelphia easily and book with confidence

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

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 Gatwick (LGW) to Philadelphia Intl. (PHL)

The easiest way to view the best deals on flights from London to Philadelphia 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 Gatwick to Philadelphia Intl. start at just £505 and range up to £661.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Philadelphia
  • 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 London to Philadelphia flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Gatwick to Philadelphia Intl. 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 London to Philadelphia easily and book with confidence

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