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Cheap flights from Philadelphia to London Gatwick Airport from £155

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LGW
11 Jan — 18 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 12 December 2025.

Thu 25/1206:00PHL - LGW
2 stops23h 00mMultiple Airlines
Mon 12/114:00LGW - PHL
1 stop32h 43mMultiple Airlines
Deal found 10/12£649
Thu 25/1206:00PHL - LGW
2 stops47h 00mMultiple Airlines
Sat 10/114:00LGW - PHL
1 stop23h 37mMultiple Airlines
Deal found 12/12£659
Thu 11/1222:00PHL - LGW
1 stop31h 00mMultiple Airlines
Sat 13/1214:00LGW - PHL
2 stops33h 15mMultiple Airlines
Deal found 11/12£683
Mon 22/1206:00PHL - LGW
2 stops23h 00mMultiple Airlines
Mon 12/114:00LGW - PHL
1 stop28h 57mMultiple Airlines
Deal found 10/12£724
Sat 20/1220:41PHL - LGW
2 stops32h 19mMultiple Airlines
Mon 12/114:00LGW - PHL
1 stop28h 57mMultiple Airlines
Deal found 11/12£726
Sun 21/1208:00PHL - LGW
1 stop21h 00mMultiple Airlines
Mon 12/114:00LGW - PHL
1 stop28h 57mMultiple Airlines
Deal found 10/12£730
Sun 21/1215:46PHL - LGW
1 stop13h 14mMultiple Airlines
Sun 11/114:10LGW - PHL
2 stops31h 43mMultiple Airlines
Deal found 11/12£734
Thu 11/1222:00PHL - LGW
1 stop31h 00mMultiple Airlines
Sun 14/1214:10LGW - PHL
1 stop27h 26mMultiple Airlines
Deal found 10/12£735

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 12 December 2025.

Round-trip from

£458

One-way from

£155

Popular in

June

Cheapest in

September

Average price

£671
19/1-26/1
  • 19/1-26/1
  • 3 total stops
  • 43h 38m total
  • Philadelphia to London
Search Deals
22/1
  • 22/1
  • 1 total stop
  • 31h 58m 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 (£18 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 12 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

Wed 14/1

15:30-16:25

2 stops19h 55m

London Gatwick

Tue 27/1

17:25-22:46

3 stops34h 21m

£545

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 13/2

05:30-10:00

1 stop23h 30m

London Gatwick

Mon 16/2

14:00-19:03

1 stop34h 03m

£573

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 29/4

10:00-20:30

2 stops29h 30m

London Gatwick

Tue 19/5

21:15-19:30

3 stops27h 15m

£580

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 3/3

15:02-09:25

3 stops37h 23m

London Gatwick

Tue 10/3

21:20-22:45

3 stops29h 25m

£585

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 12/1

13:30-20:35

3 stops26h 05m

London Gatwick

Tue 20/1

21:20-18:23

3 stops26h 03m

£603

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 14/4

19:26-15:35

2 stops15h 09m

London Gatwick

Tue 21/4

21:15-00:13

3 stops31h 58m

£606

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 21/5

15:15-09:35

1 stop13h 20m

London Gatwick

Sun 24/5

12:10-19:30

1 stop12h 20m

£618

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 7/1

08:45-06:00

2 stops16h 15m

London Gatwick

Thu 8/1

14:00-00:29

1 stop15h 29m

£627

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 24/3

08:47-09:50

2 stops21h 03m

London Gatwick

Sun 29/3

21:15-21:47

3 stops29h 32m

£627

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 12/1

13:30-09:50

2 stops15h 20m

London Gatwick

Tue 20/1

21:20-18:23

3 stops26h 03m

£630

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 20 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, November is the cheapest month in which you can book a flight from Philadelphia to London Gatwick Airport (average of £211). Flying from Philadelphia to London Gatwick Airport in June is currently the most expensive (average of £399). 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 £580, TAP AIR PORTUGAL can have you in London Gatwick Airport from Philadelphia in 29h 30m. 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, November is the cheapest month in which you can book a flight from Philadelphia to London Gatwick Airport (average of £211). Flying from Philadelphia to London Gatwick Airport in June is currently the most expensive (average of £399). 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
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Deal
Bedford
Romford
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?

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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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