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$529+ Cheap flights from Gatwick (LGW) to Philadelphia (PHL)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — PHL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Gatwick to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) 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 September 11, 2025.

Round-trip from

$607
(Kiwi.com)

One-way from

$529
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$565
From London Gatwick to Philadelphia
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One-way flight from London Gatwick to Philadelphia
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Highest demand for flights based on searches. 3% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Gatwick to Philadelphia

Cheapest flights from Gatwick to Philadelphia
Explore the most affordable flight options available from Gatwick to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Fri 11/72:00 pmLGW - PHL
2 stops26h 29mMultiple Airlines
Thu 12/47:00 amPHL - LGW
1 stop22h 00mMultiple Airlines
Deal found 9/11$607
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 11/32:00 pmLGW - PHL
1 stop16h 24mMultiple Airlines
Sat 12/611:50 amPHL - LGW
2 stops17h 15mMultiple Airlines
Deal found 9/11$609
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Mon 9/222:00 pmLGW - PHL
1 stop14h 59mMultiple Airlines
Mon 9/296:25 amPHL - LGW
2 stops22h 35mMultiple Airlines
Deal found 9/9$614
This JetBlue deal was found by Cheapflights users on 9/9. 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.
Wed 9/2412:10 pmLGW - PHL
1 stop14h 40mJetBlue
Fri 10/33:55 pmPHL - LGW
1 stop12h 40mJetBlue
Deal found 9/9$615
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 11/12:00 pmLGW - PHL
1 stop22h 30mMultiple Airlines
Thu 12/410:46 amPHL - LGW
1 stop18h 14mMultiple Airlines
Deal found 9/10$616
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 11/62:00 pmLGW - PHL
1 stop22h 30mMultiple Airlines
Sat 12/67:00 amPHL - LGW
1 stop22h 05mMultiple Airlines
Deal found 9/10$617
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Fri 9/122:00 pmLGW - PHL
1 stop14h 59mMultiple Airlines
Mon 11/107:04 pmPHL - LGW
2 stops29h 56mMultiple Airlines
Deal found 9/11$618
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 9/152:00 pmLGW - PHL
1 stop28h 02mMultiple Airlines
Thu 9/187:46 pmPHL - LGW
2 stops33h 14mMultiple Airlines
Deal found 9/11$620
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Thu 9/112:00 pmLGW - PHL
1 stop15h 52mMultiple Airlines
Mon 11/1710:32 pmPHL - LGW
2 stops26h 28mMultiple Airlines
Deal found 9/11$625
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 9/112:00 pmLGW - PHL
1 stop14h 59mMultiple Airlines
Tue 11/46:19 amPHL - LGW
2 stops42h 41mMultiple Airlines
Deal found 9/10$629

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gatwick 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Philadelphia that are best for you.

Fly from

Gatwick

Fly to

Philadelphia

Route

Depart

Return

Price

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 11/6

2:00 pm-7:30 am

1 stop22h 30m

Philadelphia

Thu 12/4

7:00 am-10:00 am

1 stop22h 00m

$615

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 10/16

12:10 pm-9:33 am

1 stop26h 23m

Philadelphia

Mon 10/20

10:20 am-9:35 am

1 stop18h 15m

$625

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 11/7

2:00 pm-11:29 am

2 stops26h 29m

Philadelphia

Thu 12/4

10:46 am-10:00 am

1 stop18h 14m

$626

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 9/15

2:00 pm-12:52 am

1 stop15h 52m

Philadelphia

Thu 9/18

7:46 pm-10:00 am

2 stops33h 14m

$640

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 9/26

2:00 pm-11:59 pm

1 stop14h 59m

Philadelphia

Tue 10/7

7:30 am-12:20 pm

3 stops23h 50m

$649

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 10/2

2:00 pm-12:52 am

1 stop15h 52m

Philadelphia

Fri 11/7

9:11 pm-6:00 am

2 stops51h 49m

$654

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 10/8

2:00 pm-7:30 am

1 stop22h 30m

Philadelphia

Wed 10/15

9:14 pm-10:00 am

1 stop31h 46m

$667

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 9/15

2:00 pm-11:59 pm

1 stop14h 59m

Philadelphia

Wed 9/17

2:07 pm-10:00 am

1 stop14h 53m

$674

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Tue 9/23

9:35 pm-9:54 am

3 stops41h 19m

Philadelphia

Sun 9/28

6:25 am-10:10 am

2 stops22h 45m

$681

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 9/22

10:00 am-10:29 pm

2 stops17h 29m

Philadelphia

Mon 9/29

10:41 am-10:00 am

2 stops18h 19m

$685

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 20 results
1
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Best time to book a flight from Gatwick to Philadelphia

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

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Philadelphia

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

Currently, August is the cheapest month in which you can book a flight from London Gatwick Airport to Philadelphia (average of $236). Flying from London Gatwick Airport to Philadelphia in March is currently the most expensive (average of $295). 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.

Related info for your journey

Find useful and relevant information for your journey from Gatwick 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 Gatwick?

    If you book a flight to Philadelphia from London Gatwick, you will be flying to Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 0 flights from London Gatwick to Philadelphia per day from 0 different airlines.

  • How long is the flight from London Gatwick Airport to Philadelphia?

    For as low as $625, JetBlue can have you in Philadelphia from London Gatwick Airport in 26h 23m. Airlines will cover a distance of 3551 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Gatwick 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 Gatwick Airport to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from London Gatwick Airport to Philadelphia (average of $236). Flying from London Gatwick Airport to Philadelphia in March is currently the most expensive (average of $295). 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Vineland
Wildwood
King of Prussia
Pottstown
Reading
Dewey Beach
Ephrata
Camden
Ocean City
Cherry Hill
Dover
Elkton
Essington
Willow Grove
Newark
Millville
Chester
Exton
Havre de Grace
Plymouth Meeting

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Alternative routes for Gatwick to Philadelphia

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