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Cheap flights from Philadelphia to London Gatwick Airport from £171

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LGW
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Find 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 21 October 2025.

Fri 12/1212:42PHL - LGW
1 stop16h 18mMultiple Airlines
Sun 11/114:10LGW - PHL
1 stop23h 27mMultiple Airlines
Deal found 19/10£396
Wed 12/1115:30PHL - LGW
3 stops23h 25mMultiple Airlines
Tue 18/1121:40LGW - PHL
3 stops22h 07mMultiple Airlines
Deal found 19/10£400
Sat 13/1222:00PHL - LGW
1 stop31h 00mMultiple Airlines
Sat 10/114:00LGW - PHL
1 stop23h 37mMultiple Airlines
Deal found 19/10£407
Wed 12/1117:30PHL - LGW
1 stop9h 40mMultiple Airlines
Sun 16/1108:25LGW - PHL
1 stop12h 35mMultiple Airlines
Deal found 19/10£414
Tue 2/1216:35PHL - LGW
2 stops19h 40mMultiple Airlines
Tue 9/1208:50LGW - PHL
3 stops18h 56mMultiple Airlines
Deal found 20/10£414
Mon 10/1119:04PHL - LGW
2 stops29h 56mMultiple Airlines
Thu 20/1114:00LGW - PHL
1 stop14h 03mMultiple Airlines
Deal found 20/10£417
Sun 14/1214:06PHL - LGW
1 stop14h 54mMultiple Airlines
Sat 10/114:00LGW - PHL
1 stop23h 37mMultiple Airlines
Deal found 19/10£420
Thu 4/1222:00PHL - LGW
1 stop31h 00mMultiple Airlines
Mon 8/1214:00LGW - PHL
1 stop25h 00mMultiple Airlines
Deal found 19/10£422
Mon 10/1119:04PHL - LGW
2 stops29h 56mMultiple Airlines
Fri 14/1114:00LGW - PHL
1 stop16h 24mMultiple Airlines
Deal found 20/10£425

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 21 October 2025.

Round-trip from

£396

One-way from

£171

Popular in

June

Cheapest in

September

Average price

£734
12/12-11/1
  • 12/12-11/1
  • 2 total stops
  • 39h 45m total
  • Philadelphia to London
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11/12
  • 11/12
  • 1 total stop
  • 16h 18m total
  • Philadelphia to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£148 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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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 21 October 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

Wed 18/2

13:50-09:00

2 stops14h 10m

London Gatwick

Thu 26/2

11:20-21:50

1 stop15h 30m

£463

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 10/11

13:57-10:00

1 stop15h 03m

London Gatwick

Thu 13/11

14:00-23:53

1 stop14h 53m

£509

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 11/11

06:00-09:50

2 stops22h 50m

London Gatwick

Fri 14/11

14:00-01:24

1 stop16h 24m

£522

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 5/2

05:15-10:00

2 stops23h 45m

London Gatwick

Sun 8/2

06:50-08:50

3 stops31h 00m

£538

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 9/11

17:30-08:25

1 stop9h 55m

London Gatwick

Tue 18/11

08:50-16:00

1 stop12h 10m

£569

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 11/11

17:30-09:45

1 stop11h 15m

London Gatwick

Wed 19/11

08:50-16:00

1 stop12h 10m

£569

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 4/12

16:32-15:50

2 stops18h 18m

London Gatwick

Thu 11/12

10:40-09:39

2 stops27h 59m

£578

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 18/11

09:22-09:50

2 stops19h 28m

London Gatwick

Sun 23/11

10:40-07:45

2 stops26h 05m

£578

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 18/2

08:20-10:00

3 stops44h 40m

London Gatwick

Thu 26/2

10:40-00:13

2 stops18h 33m

£592

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 3/12

10:24-10:00

3 stops42h 36m

London Gatwick

Wed 10/12

16:35-21:48

2 stops34h 13m

£597

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 21 results
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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, February is the cheapest month in which you can book a flight from Philadelphia to London Gatwick Airport (average of £180). Flying from Philadelphia to London Gatwick Airport in June is currently the most expensive (average of £398). 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 £463, American Airlines can have you in London Gatwick Airport from Philadelphia in 14h 10m. 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 £180). Flying from Philadelphia to London Gatwick Airport in June is currently the most expensive (average of £398). 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
Slough
Gatwick
Hounslow
Luton
Wembley
Deal
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Romford
Ipswich
Brentford
Dartford
Guildford
Eastbourne

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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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