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Cheap flights from Philadelphia to London Gatwick Airport from £130

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LGW
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Philadelphia to Gatwick

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Gatwick (LGW). 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 16 September 2025.

Round-trip from

£364

One-way from

£135

Popular in

June

Cheapest in

September

Average price

£454
American Airlines
  • American Airlines
  • 14/10-21/10
  • 3 total stops
  • 32h 56m total
  • Philadelphia to London
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15/10
  • 15/10
  • 1 total stop
  • 15h 02m total
  • Philadelphia to London
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£151 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£25 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Philadelphia to Gatwick

Cheapest flights from Philadelphia to Gatwick
Explore the most affordable flight options available from Philadelphia to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Tue 14/1013:36PHL - LGW
2 stops13h 34mAmerican Airlines
Tue 21/1012:20LGW - PHL
2 stops15h 56mAmerican Airlines
Deal found 14/9£364
Wed 22/1005:20PHL - LGW
1 stop23h 40mMultiple Airlines
Fri 31/1014:00LGW - PHL
1 stop24h 25mMultiple Airlines
Deal found 14/9£364
Mon 29/905:30PHL - LGW
1 stop23h 30mMultiple Airlines
Thu 2/1014:00LGW - PHL
1 stop28h 02mMultiple Airlines
Deal found 15/9£386
Sun 28/905:30PHL - LGW
1 stop23h 40mMultiple Airlines
Wed 1/1014:00LGW - PHL
1 stop28h 02mMultiple Airlines
Deal found 14/9£386
Mon 13/1007:30PHL - LGW
2 stops32h 25mMultiple Airlines
Mon 20/1020:40LGW - PHL
3 stops29h 58mMultiple Airlines
Deal found 15/9£394
Tue 23/911:41PHL - LGW
1 stop13h 54mBritish Airways
Sun 28/914:30LGW - PHL
1 stop24h 09mBritish Airways
Deal found 15/9£400
Tue 23/916:21PHL - LGW
1 stop13h 19mBritish Airways
Mon 29/914:00LGW - PHL
1 stop26h 37mBritish Airways
Deal found 15/9£405
Wed 1/1014:07PHL - LGW
1 stop14h 53mMultiple Airlines
Thu 2/1014:00LGW - PHL
1 stop28h 02mMultiple Airlines
Deal found 14/9£406
Tue 30/914:05PHL - LGW
1 stop15h 35mBritish Airways
Sun 5/1014:30LGW - PHL
1 stop24h 10mBritish Airways
Deal found 15/9£407
Tue 14/1016:50PHL - LGW
2 stops17h 20mMultiple Airlines
Tue 21/1021:35LGW - PHL
2 stops23h 14mMultiple Airlines
Deal found 15/9£408
Mon 22/905:30PHL - LGW
1 stop23h 30mMultiple Airlines
Wed 1/1014:00LGW - PHL
1 stop28h 02mMultiple Airlines
Deal found 15/9£410

Cheapflights Fare Finder

 
Customise your flight search to find flights from Philadelphia to Gatwick 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 858,174 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Philadelphia to London Gatwick Airport that are best for you.

Fly from

Philadelphia

Fly to

Gatwick

Route

Depart

Return

Price

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sat 18/10

15:31-09:35

1 stop13h 04m

London Gatwick

Wed 22/10

12:10-21:55

1 stop14h 45m

£441

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 15/10

18:44-09:35

1 stop9h 51m

London Gatwick

Mon 20/10

12:10-21:55

1 stop14h 45m

£441

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sat 27/9

15:55-09:35

1 stop12h 40m

London Gatwick

Tue 7/10

12:10-21:55

1 stop14h 45m

£446

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 1/10

14:07-10:00

1 stop14h 53m

London Gatwick

Mon 27/10

14:00-21:24

1 stop35h 24m

£451

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 3/10

18:10-09:35

1 stop10h 25m

London Gatwick

Wed 8/10

12:10-21:55

1 stop14h 45m

£463

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 8/10

18:44-09:35

1 stop9h 51m

London Gatwick

Mon 20/10

12:10-21:55

1 stop14h 45m

£463

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 12/11

09:22-10:00

3 stops43h 38m

London Gatwick

Mon 17/11

16:35-20:40

2 stops33h 05m

£567

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 28/10

09:22-09:50

2 stops20h 28m

London Gatwick

Tue 4/11

16:35-20:40

2 stops33h 05m

£576

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 11/11

09:22-09:25

3 stops43h 03m

London Gatwick

Tue 18/11

21:20-20:40

3 stops28h 20m

£580

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 8/10

05:20-10:00

1 stop23h 40m

£130

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 18 results
1
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Best time to book a flight from Philadelphia to Gatwick

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

Cheapflights Insights

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

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

Currently, April is the cheapest month in which you can book a flight from Philadelphia to London Gatwick Airport (average of £102). Flying from Philadelphia to London Gatwick Airport in July is currently the most expensive (average of £142). 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 Philadelphia to Gatwick. 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 Gatwick?

    For a flight from Philadelphia to London Gatwick, you will be flying from Philadelphia. Philadelphia (PHL) is just 7.0 mi from the center of the city. Philadelphia is the only Philadelphia airport and it handles 0 outbound flights to London Gatwick per day. 0 airlines have flights to London Gatwick from Philadelphia on a regular basis.

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

    For as low as £441, JetBlue can have you in London Gatwick Airport from Philadelphia in 13h 04m. The distance from Philadelphia to London Gatwick Airport is about 3551 mi.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Philadelphia to London Gatwick Airport (average of £102). Flying from Philadelphia to London Gatwick Airport in July is currently the most expensive (average of £142). 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

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Dartford
Guildford
Brentford
Bishop's Stortford
Romford

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Alternative routes for Philadelphia to Gatwick

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