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Cheap flights from Philadelphia to London Gatwick Airport from £125

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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LGW
25 Feb — 4 Mar1
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 26 January 2026.

Wed 15/416:25
PHL
-
LGW
2 stops19h 40m
Multiple Airlines
Mon 20/417:35
LGW
-
PHL
3 stops27h 09m
Multiple Airlines
Deal found 24/1£434
Mon 23/205:30
PHL
-
LGW
1 stop23h 30m
Multiple Airlines
Mon 2/314:00
LGW
-
PHL
1 stop33h 51m
Multiple Airlines
Deal found 26/1£435
Mon 9/215:54
PHL
-
LGW
1 stop13h 06m
Multiple Airlines
Thu 12/214:00
LGW
-
PHL
1 stop14h 16m
Multiple Airlines
Deal found 26/1£437
Mon 4/522:38
PHL
-
LGW
1 stop30h 22m
Multiple Airlines
Tue 12/514:00
LGW
-
PHL
1 stop25h 38m
Multiple Airlines
Deal found 24/1£439
Fri 6/211:09
PHL
-
LGW
1 stop17h 51m
Multiple Airlines
Mon 9/214:00
LGW
-
PHL
1 stop27h 39m
Multiple Airlines
Deal found 25/1£444
Wed 4/220:25
PHL
-
LGW
1 stop32h 35m
Multiple Airlines
Fri 6/214:00
LGW
-
PHL
1 stop15h 32m
Multiple Airlines
Deal found 26/1£446
Mon 30/322:12
PHL
-
LGW
1 stop30h 48m
Multiple Airlines
Fri 10/407:10
LGW
-
PHL
2 stops30h 46m
Multiple Airlines
Deal found 25/1£448
Mon 2/212:24
PHL
-
LGW
2 stops16h 36m
Multiple Airlines
Fri 6/214:00
LGW
-
PHL
1 stop15h 32m
Multiple Airlines
Deal found 26/1£453
Thu 5/207:00
PHL
-
LGW
1 stop22h 00m
Multiple Airlines
Mon 9/214:00
LGW
-
PHL
1 stop27h 39m
Multiple Airlines
Deal found 26/1£456
Mon 2/215:54
PHL
-
LGW
1 stop13h 06m
Multiple Airlines
Tue 10/208:30
LGW
-
PHL
2 stops37h 45m
Multiple Airlines
Deal found 26/1£457

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 26 January 2026.

Round-trip from

£434

One-way from

£125

Popular in

June

Cheapest in

September

Average price

£515
15/4-20/4
  • 15/4-20/4
  • 5 total stops
  • 46h 49m total
  • Philadelphia to London
Search Deals
24/3
  • 24/3
  • 1 total stop
  • 31h 27m total
  • Philadelphia to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£105 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 January 2026
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 26 January 2026.
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

Fri 6/3

05:30-10:00

1 stop23h 30m

London Gatwick

Fri 13/3

14:00-07:36

1 stop21h 36m

£510

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 28/4

18:25-15:45

2 stops16h 20m

London Gatwick

Thu 7/5

10:40-23:00

2 stops17h 20m

£545

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 3/3

15:02-09:50

2 stops13h 48m

London Gatwick

Tue 10/3

21:20-22:36

3 stops29h 16m

£567

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 26/3

09:54-09:50

2 stops19h 56m

London Gatwick

Mon 30/3

21:15-22:41

3 stops30h 26m

£600

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 1/5

18:33-20:25

3 stops20h 52m

London Gatwick

Sun 10/5

12:05-07:35

2 stops24h 30m

£621

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 23/2

15:02-09:50

2 stops13h 48m

London Gatwick

Mon 2/3

21:25-18:31

3 stops26h 06m

£640

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 25/2

15:02-16:10

2 stops20h 08m

London Gatwick

Sun 1/3

17:05-22:36

2 stops34h 31m

£648

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 9/3

15:02-15:45

2 stops20h 43m

London Gatwick

Sun 15/3

10:40-22:31

2 stops39h 51m

£648

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 17/3

06:00-09:25

3 stops47h 25m

London Gatwick

Mon 23/3

21:25-22:31

3 stops29h 06m

£653

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 9/3

15:02-20:35

3 stops25h 33m

London Gatwick

Sat 14/3

10:10-22:31

3 stops40h 21m

£690

Flights are sorted by cheapest return flights first.

Deals found on 25/1

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, November is the cheapest month in which you can book a flight from Philadelphia to London Gatwick Airport (average of £207). Flying from Philadelphia to London Gatwick Airport in June is currently the most expensive (average of £391). 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 £545, Delta can have you in London Gatwick Airport from Philadelphia in 16h 20m. The distance from Philadelphia to London Gatwick Airport is about 3551 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 £207). Flying from Philadelphia to London Gatwick Airport in June is currently the most expensive (average of £391). 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
Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne
Romford
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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Fly with Cheapflights

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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.

Can Cheapflights notify me if prices for flights from Philadelphia to Gatwick become cheaper?

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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