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Cheap flights from Philadelphia to London Gatwick Airport from £268

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LGW
5 May — 12 May1
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 April 2026.

Tue 28/408:25
PHL
-
LGW
2 stops25h 15m
Icelandair
Thu 7/513:00
LGW
-
PHL
2 stops23h 34m
Icelandair
Deal found 4/4£619
Tue 5/508:25
PHL
-
LGW
2 stops25h 15m
Icelandair
Tue 12/513:00
LGW
-
PHL
2 stops23h 34m
Icelandair
Deal found 4/4£624
Tue 8/908:28
PHL
-
LGW
2 stops25h 12m
Icelandair
Tue 22/915:40
LGW
-
PHL
2 stops23h 10m
Icelandair
Deal found 2/4£625
Mon 4/508:25
PHL
-
LGW
2 stops22h 20m
Icelandair
Tue 12/513:00
LGW
-
PHL
2 stops23h 34m
Icelandair
Deal found 3/4£626
Wed 23/910:45
PHL
-
LGW
2 stops22h 55m
Icelandair
Mon 28/915:40
LGW
-
PHL
2 stops35h 52m
Icelandair
Deal found 3/4£627
Wed 29/408:25
PHL
-
LGW
2 stops25h 15m
Icelandair
Thu 7/513:00
LGW
-
PHL
2 stops23h 34m
Icelandair
Deal found 1/4£629
Mon 20/418:33
PHL
-
LGW
2 stops15h 07m
Icelandair
Wed 29/415:40
LGW
-
PHL
2 stops44h 55m
Icelandair
Deal found 2/4£631
Tue 7/418:08
PHL
-
LGW
2 stops34h 52m
Multiple Airlines
Fri 17/414:00
LGW
-
PHL
1 stop22h 41m
Multiple Airlines
Deal found 4/4£635
Wed 29/408:25
PHL
-
LGW
2 stops22h 20m
Icelandair
Wed 6/515:40
LGW
-
PHL
2 stops44h 54m
Icelandair
Deal found 1/4£637
Sat 22/820:55
PHL
-
LGW
1 stop31h 40m
JetBlue
Sat 29/812:20
LGW
-
PHL
1 stop12h 40m
JetBlue
Deal found 3/4£637

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 April 2026.

Round-trip from

£619

One-way from

£268

Popular in

June

Cheapest in

September

Average price

£621
Icelandair
  • Icelandair
  • 28/4-7/5
  • 4 total stops
  • 48h 49m total
  • Philadelphia to London
Search Deals
27/4
  • 27/4
  • 3 total stops
  • 23h 05m total
  • Philadelphia to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£124 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 April 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 5 April 2026.
Use the filters below to find and compare flights from Philadelphia to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 14/9

19:00-15:35

2 stops15h 35m

London Gatwick

Fri 25/9

21:15-22:32

3 stops30h 17m

£733

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 1/9

08:28-20:25

3 stops30h 57m

London Gatwick

Sun 13/9

12:05-09:50

2 stops26h 45m

£752

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 25/9

15:25-20:25

3 stops24h 00m

London Gatwick

Fri 16/10

10:35-09:50

2 stops28h 15m

£783

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 8/9

08:28-20:25

3 stops30h 57m

London Gatwick

Tue 22/9

10:35-09:50

2 stops28h 15m

£785

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 20/8

08:28-09:45

2 stops20h 17m

London Gatwick

Wed 26/8

10:35-07:38

2 stops26h 03m

£870

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 1/9

08:28-15:35

2 stops26h 07m

London Gatwick

Fri 4/9

10:35-07:38

2 stops26h 03m

£872

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 3/9

08:28-20:25

3 stops30h 57m

London Gatwick

Tue 15/9

10:35-09:50

2 stops28h 15m

£884

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 26/5

19:47-20:25

3 stops19h 38m

London Gatwick

Thu 4/6

10:35-08:30

2 stops26h 55m

£909

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 4/8

08:28-20:25

3 stops30h 57m

London Gatwick

Wed 12/8

12:05-07:38

2 stops24h 33m

£990
Fastest return journey

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 10/5

18:33-20:25

3 stops20h 52m

London Gatwick

Sat 16/5

12:05-07:34

2 stops24h 29m

£1,037

Flights are sorted by cheapest return flights first.

Deals found on 2/4

Showing 1-10 of 21 resultsSorted by cheapest first
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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 £210). Flying from Philadelphia to London Gatwick Airport in June is currently the most expensive (average of £404). 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 £752, TAP AIR PORTUGAL can have you in London Gatwick Airport from Philadelphia in 30h 57m. 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 £210). Flying from Philadelphia to London Gatwick Airport in June is currently the most expensive (average of £404). 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
Wembley
Croydon
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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Can Cheapflights find flights from Philadelphia to Gatwick with no change fees?

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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