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Cheap flights from Philadelphia to London Gatwick Airport from £146

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LGW
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Philadelphia to Gatwick

Enter your travel dates to find the best prices.

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 5 December 2025.

Mon 15/1206:00PHL - LGW
1 stop23h 00mMultiple Airlines
Fri 9/114:00LGW - PHL
1 stop23h 57mMultiple Airlines
Deal found 3/12£517
Tue 30/1206:00PHL - LGW
2 stops43h 00mMultiple Airlines
Fri 16/114:00LGW - PHL
1 stop16h 01mMultiple Airlines
Deal found 3/12£519
Thu 11/1213:52PHL - LGW
1 stop12h 38mBritish Airways
Fri 6/211:20LGW - PHL
1 stop31h 02mBritish Airways
Deal found 2/12£522
Mon 15/1205:30PHL - LGW
1 stop23h 30mMultiple Airlines
Sat 10/114:00LGW - PHL
1 stop23h 37mMultiple Airlines
Deal found 2/12£528
Wed 24/1222:00PHL - LGW
1 stop31h 00mMultiple Airlines
Thu 15/114:00LGW - PHL
1 stop15h 35mMultiple Airlines
Deal found 2/12£543
Sun 21/1222:00PHL - LGW
1 stop31h 00mMultiple Airlines
Thu 15/114:00LGW - PHL
1 stop15h 35mMultiple Airlines
Deal found 3/12£588
Tue 30/1206:00PHL - LGW
2 stops43h 00mMultiple Airlines
Thu 15/114:00LGW - PHL
1 stop15h 35mMultiple Airlines
Deal found 3/12£588
Wed 24/1220:54PHL - LGW
2 stops32h 06mMultiple Airlines
Mon 12/114:00LGW - PHL
1 stop37h 03mMultiple Airlines
Deal found 3/12£594
Tue 30/1206:00PHL - LGW
2 stops43h 00mMultiple Airlines
Sun 11/114:10LGW - PHL
1 stop23h 27mMultiple Airlines
Deal found 4/12£607
Mon 22/1210:00PHL - LGW
1 stop19h 00mMultiple Airlines
Thu 15/114:00LGW - PHL
1 stop15h 35mMultiple Airlines
Deal found 3/12£609

Find 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 5 December 2025.

Round-trip from

£453

One-way from

£146

Popular in

June

Cheapest in

September

Average price

£713
29/1-2/2
  • 29/1-2/2
  • 3 total stops
  • 39h 20m total
  • Philadelphia to London
Search Deals
2/2
  • 2/2
  • 1 total stop
  • 13h 06m total
  • Philadelphia to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£104 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 5 December 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

Thu 5/3

12:32-10:00

1 stop16h 28m

London Gatwick

Tue 10/3

13:00-00:42

2 stops39h 42m

£490

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 3/3

15:02-09:50

2 stops13h 48m

London Gatwick

Tue 10/3

16:35-22:45

2 stops34h 10m

£583

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 27/1

08:40-09:50

2 stops20h 10m

London Gatwick

Mon 9/2

16:35-18:23

2 stops30h 48m

£583

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 6/2

13:30-15:45

2 stops21h 15m

London Gatwick

Mon 9/2

21:25-18:23

3 stops25h 58m

£591

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 3/3

15:02-09:25

3 stops37h 23m

London Gatwick

Tue 10/3

16:35-22:45

2 stops34h 10m

£593

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 11/1

08:40-09:50

2 stops20h 10m

London Gatwick

Tue 20/1

16:35-18:23

2 stops30h 48m

£603

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 5/3

06:00-09:50

2 stops22h 50m

London Gatwick

Tue 10/3

16:35-22:45

2 stops34h 10m

£605

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 13/5

08:20-06:45

1 stop17h 25m

London Gatwick

Wed 27/5

14:30-12:55

1 stop27h 25m

£620

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 14/1

08:40-15:05

2 stops25h 25m

London Gatwick

Wed 21/1

16:35-18:23

2 stops30h 48m

£621

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 3/4

17:03-15:40

2 stops17h 37m

London Gatwick

Tue 7/4

10:35-00:13

2 stops18h 38m

£648

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 19 results
1
2

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, February is the cheapest month in which you can book a flight from Philadelphia to London Gatwick Airport (average of £240). Flying from Philadelphia to London Gatwick Airport in June is currently the most expensive (average of £400). 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 £591, TAP AIR PORTUGAL can have you in London Gatwick Airport from Philadelphia in 21h 15m. 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, February is the cheapest month in which you can book a flight from Philadelphia to London Gatwick Airport (average of £240). Flying from Philadelphia to London Gatwick Airport in June is currently the most expensive (average of £400). 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
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Romford
Bedford
Chichester
Guildford
Ipswich

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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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How does Cheapflights help users find flights from Philadelphia to Gatwick?

Cheapflights makes it easy to find Philadelphia to Gatwick flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Gatwick?

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Yes, we can. To see specific flights from Philadelphia to Gatwick with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Not ready to book yet? You can track prices for flights from Philadelphia to Gatwick on Cheapflights with our Price Alert feature and get notified when better prices are available.

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