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Cheap flights from Philadelphia to London Gatwick Airport from £175

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LGW
23 Jul — 30 Jul1
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 23 June 2026.

Mon 3/812:46
PHL
-
LGW
1 stop16h 14m
Multiple Airlines
Tue 18/814:00
LGW
-
PHL
1 stop14h 59m
Multiple Airlines
Deal found 20/6£671
Fri 14/808:28
PHL
-
LGW
1 stop20h 07m
JetBlue
Mon 17/812:20
LGW
-
PHL
1 stop12h 40m
JetBlue
Deal found 19/6£672
Sun 23/820:25
PHL
-
LGW
1 stop10h 35m
Multiple Airlines
Tue 25/814:00
LGW
-
PHL
2 stops27h 26m
Multiple Airlines
Deal found 22/6£672
Sat 4/712:54
PHL
-
LGW
1 stop16h 06m
Multiple Airlines
Thu 13/819:50
LGW
-
PHL
2 stops28h 05m
Multiple Airlines
Deal found 19/6£673
Fri 7/812:46
PHL
-
LGW
1 stop16h 14m
Multiple Airlines
Fri 21/814:00
LGW
-
PHL
1 stop14h 59m
Multiple Airlines
Deal found 20/6£674
Mon 31/817:29
PHL
-
LGW
2 stops34h 56m
Delta
Sun 13/910:25
LGW
-
PHL
2 stops37h 44m
Delta
Deal found 21/6£675
Sat 8/806:25
PHL
-
LGW
2 stops22h 35m
Multiple Airlines
Mon 17/814:00
LGW
-
PHL
1 stop14h 38m
Multiple Airlines
Deal found 19/6£675
Thu 16/709:20
PHL
-
LGW
1 stop19h 15m
JetBlue
Wed 12/812:20
LGW
-
PHL
1 stop12h 41m
JetBlue
Deal found 22/6£676
Wed 7/1015:25
PHL
-
LGW
2 stops15h 50m
Multiple Airlines
Mon 12/1020:10
LGW
-
PHL
3 stops23h 37m
Multiple Airlines
Deal found 21/6£677
Fri 7/812:46
PHL
-
LGW
1 stop16h 14m
Multiple Airlines
Sat 22/814:00
LGW
-
PHL
1 stop14h 59m
Multiple Airlines
Deal found 20/6£678
Wed 1/708:35
PHL
-
LGW
1 stop20h 00m
JetBlue
Sat 4/712:20
LGW
-
PHL
1 stop12h 40m
JetBlue
Deal found 20/6£679
Wed 23/916:20
PHL
-
LGW
2 stops19h 05m
Multiple Airlines
Tue 29/906:00
LGW
-
PHL
2 stops21h 46m
Multiple Airlines
Deal found 22/6£679

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 23 June 2026.

Round-trip from

£671

One-way from

£175

Popular in

June

Cheapest in

September

Average price

£1,060
3/8-18/8
  • 3/8-18/8
  • 2 total stops
  • 31h 13m total
  • Philadelphia to London
Search Deals
21/7
  • 21/7
  • 2 total stops
  • 36h 30m total
  • Philadelphia to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£167 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 23 June 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 2/11

10:30-20:35

3 stops29h 05m

London Gatwick

Mon 9/11

16:35-22:36

2 stops35h 01m

£723
Fastest return journey

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 8/12

13:20-09:00

2 stops14h 40m

London Gatwick

Sun 13/12

10:00-23:02

2 stops18h 02m

£737

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 14/10

15:25-20:30

3 stops24h 05m

London Gatwick

Sat 24/10

12:05-09:39

2 stops26h 34m

£755

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 5/10

15:25-20:25

3 stops24h 00m

London Gatwick

Wed 14/10

10:35-09:50

3 stops28h 15m

£758

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 14/10

10:45-09:45

2 stops18h 00m

London Gatwick

Sat 24/10

12:05-09:39

2 stops26h 34m

£767

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 2/10

15:25-20:25

3 stops24h 00m

London Gatwick

Mon 5/10

12:05-09:50

2 stops26h 45m

£770

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 25/9

19:00-15:40

2 stops15h 40m

London Gatwick

Fri 16/10

10:35-09:50

2 stops28h 15m

£774

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 6/11

18:30-15:45

2 stops16h 15m

London Gatwick

Sun 8/11

10:40-09:39

3 stops27h 59m

£776

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 10/8

11:38-08:25

2 stops15h 47m

London Gatwick

Wed 19/8

18:35-16:05

2 stops26h 30m

£805

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 13/8

13:15-09:25

2 stops15h 10m

London Gatwick

Tue 18/8

10:35-23:26

2 stops17h 51m

£836

Flights are sorted by cheapest return flights first.

Deals found on 20/6

Showing 1-10 of 22 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.

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 £737, TAP AIR PORTUGAL can have you in London Gatwick Airport from Philadelphia in 14h 40m. 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.

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
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Southall
Romford
Ipswich
Borehamwood
Folkestone
Southend-on-Sea

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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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